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 Post subject: SOHC
PostPosted: Thu Mar 03, 2011 8:20 pm 
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n00b
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Location: western WI
Nothing to see here, never mind. But thanks for stopping by!


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12.31 @ 111.51 - 235WHP/186WTQ
all-motor 2.4 swap, not-so-much daily driver

http://www.boogerbushings.com

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'95 Ply ACR sedan NYG
'96 Ply Coupe Lapis Blue-junked
'01 ACR Stone White
'95 Ply Sport Coupe NYG 2.4 SOHC ATX
'95 Ply Sport Coupe NYG 2.0 SOHC MTX
'98 Ram Forest Green
'78 Aspen Super Coupe
'78 Volare station wagon
'03 GT Cruiser
'68 Chevelle SS 396 4-speed


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 Post subject: Re: SOHC
PostPosted: Fri Mar 04, 2011 11:25 am 
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Low earth orbit?


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 Post subject: Re: SOHC
PostPosted: Mon Mar 07, 2011 5:40 pm 
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Location: western WI
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Double check all of your measurements and dimensions for anything you fabricate or have made.
It's your problem if something is wrong.



The 2.4 block differs from the 2.0 block in that ALL 10 bolts are the same length. You need 10 of the "long" 2.0 SOHC head bolts. Chrysler part number 6503562. List price is $6.50 each. M11 x 1.50 x 210.00mm long. You need to cut each one to length, 195mm will do just fine. I would hand fit each one to make sure all the holes in your block are drilled and tapped to the same depth so that the new length bolts do not bottom out in the holes. If you cut them too short you don't engage enough threads in the block.


You can use a Mazda timing belt - Gates T117 or equivalent in your brand of choice. 109 teeth. This one happens to be .87" wide. No one seems to be able to find one wider without having some made to order (good luck with that). I would change the belt more often because of the narrower width vs Neon timing belt. This belt will tend to wander a little on the gears, get used to it. This is a tight fit over the tensioner for assembly. It would get better with a thin headgasket or a shaved head. You would not want to run this with a thicker head gasket, you will be too far from center for the spring loaded adjuster in the SRT-4 tensioner to work properly.

If you use the Mazda belt, you can simply use the OEM Litens SRT-4 tensioner right out of the box.


Image

If you want to fab your own tensioner you'll be on your own for that and for whatever you choose to use for a timing belt length.


Cam gear. There are a few choices.

You can use any old stock or aftermarket 2.0 SOHC gear by fabricating a spacer that is ~.225" thick. Put it between the face of the cam and the gear. You might consider pulling the locating pin out a little so that it enters the hole in the back of the gear a little farther to help you time it correctly. The snout of the cam is .710" diameter.


Image



You can use an AEM 3-bolt DOHC gear with it flipped around in a weird way with no spacer. I found this about 5 years ago. The bolts will be on the back side, the head will face the side of the cylinder head. But at least you can adjust it.

Image
Image



Or, you can use any old 2.0 DOHC gear, OEM or aftermarket, with a spacer more like .375" thick. I would personally rather keep any spacers as thin as possible. You would need to extend the locating pin here, it's not that long and you lose the reference point.


If you get creative you can use a 108 tooth belt only by doing something else for a tensioner. Gates T264 or equivalent in another brand. This belt is 1.00" wide. Or you can use a stock belt and do whatever you can dream up, that's the same as it has ALWAYS been.


Side engine mount. Same old Stratus mount deal is easy. You need to mill/grind/whatever on the upper right-side leg so that the timing belt does not rub on it. You will need to remove most of the material on the side in about the 2:00 position. I will get a better picture of it soon.

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_________________
12.31 @ 111.51 - 235WHP/186WTQ
all-motor 2.4 swap, not-so-much daily driver

http://www.boogerbushings.com

Image

'95 Ply ACR sedan NYG
'96 Ply Coupe Lapis Blue-junked
'01 ACR Stone White
'95 Ply Sport Coupe NYG 2.4 SOHC ATX
'95 Ply Sport Coupe NYG 2.0 SOHC MTX
'98 Ram Forest Green
'78 Aspen Super Coupe
'78 Volare station wagon
'03 GT Cruiser
'68 Chevelle SS 396 4-speed


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 Post subject: Re: SOHC
PostPosted: Mon Mar 07, 2011 6:20 pm 
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Location: western WI
Not really much to ask for questions, it's all there. No comments are really needed. If you don't like the way something is suggested, just find your own way like has been suggested for 7 or 8 or more years now.

Ed did the work on the timing belt, I didn't have enough patience to look thru the books.

I'm not building one to actually run and drive, other people can do that. Why dabble in this when a 2.4 DOHC has so much more easy potential simply because of the cams you can put in the head.

"bigrick", if you really had one and you claim it had 135TQ then I doubt you really had one. That's a pretty low number and sounds fairly fake to me. 2.0 makes around 135TQ, 2.4 makes more unless something is wrong.

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12.31 @ 111.51 - 235WHP/186WTQ
all-motor 2.4 swap, not-so-much daily driver

http://www.boogerbushings.com

Image

'95 Ply ACR sedan NYG
'96 Ply Coupe Lapis Blue-junked
'01 ACR Stone White
'95 Ply Sport Coupe NYG 2.4 SOHC ATX
'95 Ply Sport Coupe NYG 2.0 SOHC MTX
'98 Ram Forest Green
'78 Aspen Super Coupe
'78 Volare station wagon
'03 GT Cruiser
'68 Chevelle SS 396 4-speed


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 Post subject: Re: SOHC
PostPosted: Mon Mar 07, 2011 6:43 pm 
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Neon Enthusiast
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Location: Winnipeg, MB, Canada
I purchased a 2.4L conversion kit from Ed Peters last summer, here are my parts in comparison:

AEM cam gear with spacer (sand blasted)
Image

SRT4 belt Tensioner
Image

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Early built 94 ACR log: http://forums.neons.org/viewtopic.php?f=51&t=378006


Last edited by Mag_ner on Mon Mar 07, 2011 7:21 pm, edited 2 times in total.

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 Post subject: Re: SOHC
PostPosted: Mon Mar 07, 2011 6:43 pm 
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:shock: :scratch: You!!!!!!!

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Because most SRT owners now are broke teens or idiots looking to slam their car the cheapest way possible. So they buy crap off eBay, racelands, etc.


Feedback: http://forums.neons.org/viewtopic.php?f=36&t=382275


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 Post subject: Re: SOHC
PostPosted: Mon Mar 07, 2011 6:46 pm 
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n00b
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I know you can modify a Litens SOHC tensioner. Most people don't have the ability to weld aluminum. And they won't know what to do with the legs anyway. That method works too but this is easier.

_________________
12.31 @ 111.51 - 235WHP/186WTQ
all-motor 2.4 swap, not-so-much daily driver

http://www.boogerbushings.com

Image

'95 Ply ACR sedan NYG
'96 Ply Coupe Lapis Blue-junked
'01 ACR Stone White
'95 Ply Sport Coupe NYG 2.4 SOHC ATX
'95 Ply Sport Coupe NYG 2.0 SOHC MTX
'98 Ram Forest Green
'78 Aspen Super Coupe
'78 Volare station wagon
'03 GT Cruiser
'68 Chevelle SS 396 4-speed


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 Post subject: Re: SOHC
PostPosted: Mon Mar 07, 2011 7:06 pm 
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Neon Enthusiast
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Location: Winnipeg, MB, Canada
Here's more:

Mounting bracket
Image

Notice the notch cut out to accommodate the belt
Image

This is the Mazda timing belt used on the B2000 pickup from the late 80's
Image

I have not yet install or used these parts as my project is currently on hold until summer, therefore I have no idea how any of these parts perform. I will update as I progress.

Now that the cat is out of the bag so to speak, I'm willing to help anyone out with questions on these parts.

Big Thanks to Jeff for the writeup!

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Early built 94 ACR log: http://forums.neons.org/viewtopic.php?f=51&t=378006


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 Post subject: Re: SOHC
PostPosted: Mon Mar 07, 2011 7:27 pm 
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Neon Mechanic
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Location: Nashua, NH
Timing belt possibility?

http://shop.polybelt.com/408L100-Black- ... cstrfrnt06

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Burks21 wrote:
Because most SRT owners now are broke teens or idiots looking to slam their car the cheapest way possible. So they buy crap off eBay, racelands, etc.


Feedback: http://forums.neons.org/viewtopic.php?f=36&t=382275


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 Post subject: Re: SOHC
PostPosted: Mon Mar 07, 2011 7:32 pm 
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I saw that one and others. I'm reluctant to suggest it because I don't know enough about it from that brief description.

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12.31 @ 111.51 - 235WHP/186WTQ
all-motor 2.4 swap, not-so-much daily driver

http://www.boogerbushings.com

Image

'95 Ply ACR sedan NYG
'96 Ply Coupe Lapis Blue-junked
'01 ACR Stone White
'95 Ply Sport Coupe NYG 2.4 SOHC ATX
'95 Ply Sport Coupe NYG 2.0 SOHC MTX
'98 Ram Forest Green
'78 Aspen Super Coupe
'78 Volare station wagon
'03 GT Cruiser
'68 Chevelle SS 396 4-speed


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 Post subject: Re: SOHC
PostPosted: Mon Mar 07, 2011 7:40 pm 
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Don't forget cam magnet

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 Post subject: Re: SOHC
PostPosted: Mon Mar 07, 2011 7:46 pm 
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n00b
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I'm talking mechanical parts. Wiring is all you.

I don't use a cam sensor so I don't care. My last 2.4 used an OEM plate to block off the sensor area in the DOHC head under the cam cam, didn't even need one to cover the hole with a sensor bolted to the head.

_________________
12.31 @ 111.51 - 235WHP/186WTQ
all-motor 2.4 swap, not-so-much daily driver

http://www.boogerbushings.com

Image

'95 Ply ACR sedan NYG
'96 Ply Coupe Lapis Blue-junked
'01 ACR Stone White
'95 Ply Sport Coupe NYG 2.4 SOHC ATX
'95 Ply Sport Coupe NYG 2.0 SOHC MTX
'98 Ram Forest Green
'78 Aspen Super Coupe
'78 Volare station wagon
'03 GT Cruiser
'68 Chevelle SS 396 4-speed


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 Post subject: Re: SOHC
PostPosted: Mon Mar 07, 2011 7:55 pm 
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I don't need a cam sensor either but most people do.

Nice job spoon feeding with missing info! :rofl:

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COME TO MY NEXT NEON MEET May 3, 2014

http://forums.neons.org/viewtopic.php?f=83&t=409775

PM me for T-350 transmission parts, rebuilds, and modified OBX diffs and shorter shift arms!

Now making no-90 intakes, battery trays, and cables!

https://www.facebook.com/KinnetticKreations


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 Post subject: Re: SOHC
PostPosted: Mon Mar 07, 2011 7:56 pm 
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you fix it, i'm busy

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12.31 @ 111.51 - 235WHP/186WTQ
all-motor 2.4 swap, not-so-much daily driver

http://www.boogerbushings.com

Image

'95 Ply ACR sedan NYG
'96 Ply Coupe Lapis Blue-junked
'01 ACR Stone White
'95 Ply Sport Coupe NYG 2.4 SOHC ATX
'95 Ply Sport Coupe NYG 2.0 SOHC MTX
'98 Ram Forest Green
'78 Aspen Super Coupe
'78 Volare station wagon
'03 GT Cruiser
'68 Chevelle SS 396 4-speed


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 Post subject: Re: SOHC
PostPosted: Mon Mar 07, 2011 8:05 pm 
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I don't waste my time on SOHC's. I think my 18s are bigger than any SOHC cam, and the stage 4's that are coming definitely are.

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COME TO MY NEXT NEON MEET May 3, 2014

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PM me for T-350 transmission parts, rebuilds, and modified OBX diffs and shorter shift arms!

Now making no-90 intakes, battery trays, and cables!

https://www.facebook.com/KinnetticKreations


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 Post subject: Re: SOHC
PostPosted: Mon Mar 07, 2011 10:12 pm 
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Mag_ner wrote:
Here's more:

Mounting bracket
Image


Your homemade adapter will require that you cut a bunch off of the passenger side motor mount. I have one exactly like it, and I had to cut off almost an inch from the mount.

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 Post subject: Re: SOHC
PostPosted: Tue Mar 08, 2011 4:45 am 
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fattirebicycles wrote:
Mag_ner wrote:
Here's more:

Mounting bracket
Image


Your homemade adapter will require that you cut a bunch off of the passenger side motor mount. I have one exactly like it, and I had to cut off almost an inch from the mount.


I have one too, I don't recall having to do that.

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COME TO MY NEXT NEON MEET May 3, 2014

http://forums.neons.org/viewtopic.php?f=83&t=409775

PM me for T-350 transmission parts, rebuilds, and modified OBX diffs and shorter shift arms!

Now making no-90 intakes, battery trays, and cables!

https://www.facebook.com/KinnetticKreations


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 Post subject: Re: SOHC
PostPosted: Tue Mar 08, 2011 9:01 pm 
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well then, will be assembling this weekend, looks like it's sold "as is". didn't expect that!

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12.31 @ 111.51 - 235WHP/186WTQ
all-motor 2.4 swap, not-so-much daily driver

http://www.boogerbushings.com

Image

'95 Ply ACR sedan NYG
'96 Ply Coupe Lapis Blue-junked
'01 ACR Stone White
'95 Ply Sport Coupe NYG 2.4 SOHC ATX
'95 Ply Sport Coupe NYG 2.0 SOHC MTX
'98 Ram Forest Green
'78 Aspen Super Coupe
'78 Volare station wagon
'03 GT Cruiser
'68 Chevelle SS 396 4-speed


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 Post subject: Re: SOHC
PostPosted: Tue Mar 08, 2011 9:53 pm 
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I prefer "fpoons" myself, more commonly referred to as the "spork".

On a side note, wasn't this thread locked? What the... Cool stuff anyway. Can't wait to try it... I mean, I didn't say anything. Nevermind.

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 Post subject: Re: SOHC
PostPosted: Tue Mar 08, 2011 10:08 pm 
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cheap route if people want to run srt pistons now and keep there mag head and intake. Wonder how that would hold up.

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 Post subject: Re: SOHC
PostPosted: Tue Mar 08, 2011 10:17 pm 
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Wonder if this thread will be Pandora's Box for the sohc die hards. Will check back in over the summer for "how did you get that to work" threads.

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 Post subject: Re: SOHC
PostPosted: Wed Mar 09, 2011 6:51 am 
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shale green thing wrote:
I prefer "fpoons" myself, more commonly referred to as the "spork".

On a side note, wasn't this thread locked? What the... Cool stuff anyway. Can't wait to try it... I mean, I didn't say anything. Nevermind.

Jeff started it... easy enough for him to lock it and unlock it as he sees fit. I never did see why people thought this was so complicated that it required they be spoon, or spork fed... nor why if so many thought it was a good idea, why there weren't hundreds of them running around. Look at the 2.4 swap, everybody has one now.

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 Post subject: Re: SOHC
PostPosted: Wed Mar 09, 2011 7:48 am 
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Joined: Wed Jan 09, 2002 11:26 am
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PurpleNeon wrote:
shale green thing wrote:
I prefer "fpoons" myself, more commonly referred to as the "spork".

On a side note, wasn't this thread locked? What the... Cool stuff anyway. Can't wait to try it... I mean, I didn't say anything. Nevermind.

Jeff started it... easy enough for him to lock it and unlock it as he sees fit. I never did see why people thought this was so complicated that it required they be spoon, or spork fed... nor why if so many thought it was a good idea, why there weren't hundreds of them running around. Look at the 2.4 swap, everybody has one now.


it was another thread in engine performance

viewtopic.php?f=8&t=375789

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 Post subject: Re: SOHC
PostPosted: Wed Mar 09, 2011 9:16 am 
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Jeff initially had this thread locked.

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 Post subject: Re: SOHC
PostPosted: Wed Mar 09, 2011 10:04 am 
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never saw it locked when I looked, he was probably still updating it while it was.

we had a nice conversation about it though

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 Post subject: Re: SOHC
PostPosted: Sun Nov 27, 2011 5:06 pm 
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Matt Wiggins wrote:
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Prepare for docking


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_________________
12.31 @ 111.51 - 235WHP/186WTQ
all-motor 2.4 swap, not-so-much daily driver

http://www.boogerbushings.com

Image

'95 Ply ACR sedan NYG
'96 Ply Coupe Lapis Blue-junked
'01 ACR Stone White
'95 Ply Sport Coupe NYG 2.4 SOHC ATX
'95 Ply Sport Coupe NYG 2.0 SOHC MTX
'98 Ram Forest Green
'78 Aspen Super Coupe
'78 Volare station wagon
'03 GT Cruiser
'68 Chevelle SS 396 4-speed


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 Post subject: Re: SOHC
PostPosted: Sun Nov 27, 2011 5:29 pm 
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n00b
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Location: western WI
meh.... it runs

lightly worked R/T head, Crane 14 with Crane SOHC springs, R/T exhaust manifold and cat, DOHC intake. Best of all? Auto trans!

linkie

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12.31 @ 111.51 - 235WHP/186WTQ
all-motor 2.4 swap, not-so-much daily driver

http://www.boogerbushings.com

Image

'95 Ply ACR sedan NYG
'96 Ply Coupe Lapis Blue-junked
'01 ACR Stone White
'95 Ply Sport Coupe NYG 2.4 SOHC ATX
'95 Ply Sport Coupe NYG 2.0 SOHC MTX
'98 Ram Forest Green
'78 Aspen Super Coupe
'78 Volare station wagon
'03 GT Cruiser
'68 Chevelle SS 396 4-speed


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 Post subject: Re: SOHC
PostPosted: Sun Nov 27, 2011 5:57 pm 
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Slow.

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 Post subject: Re: SOHC
PostPosted: Sun Nov 27, 2011 6:43 pm 
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I know, it took almost 2 weeks to do this. An hour here, an hour there, takes forever.


lolz

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12.31 @ 111.51 - 235WHP/186WTQ
all-motor 2.4 swap, not-so-much daily driver

http://www.boogerbushings.com

Image

'95 Ply ACR sedan NYG
'96 Ply Coupe Lapis Blue-junked
'01 ACR Stone White
'95 Ply Sport Coupe NYG 2.4 SOHC ATX
'95 Ply Sport Coupe NYG 2.0 SOHC MTX
'98 Ram Forest Green
'78 Aspen Super Coupe
'78 Volare station wagon
'03 GT Cruiser
'68 Chevelle SS 396 4-speed


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 Post subject: Re: SOHC
PostPosted: Sun Nov 27, 2011 7:05 pm 
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:like:

Are you going to hit the dyno? Best wildcard setup for making guesses on how much it puts down!


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 Post subject: Re: SOHC
PostPosted: Sun Nov 27, 2011 7:07 pm 
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dyno? hell no, it's my daily driver/winter beater.

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12.31 @ 111.51 - 235WHP/186WTQ
all-motor 2.4 swap, not-so-much daily driver

http://www.boogerbushings.com

Image

'95 Ply ACR sedan NYG
'96 Ply Coupe Lapis Blue-junked
'01 ACR Stone White
'95 Ply Sport Coupe NYG 2.4 SOHC ATX
'95 Ply Sport Coupe NYG 2.0 SOHC MTX
'98 Ram Forest Green
'78 Aspen Super Coupe
'78 Volare station wagon
'03 GT Cruiser
'68 Chevelle SS 396 4-speed


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 Post subject: Re: SOHC
PostPosted: Sun Nov 27, 2011 7:37 pm 
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Location: western WI
Modern's 2.4 swap power steering bracket needs to be notched for the heater hose on the head. Sawzall time.
Rotate the cam magnet 90 degrees counter clockwise or let it crank for 5-6 seconds before it starts.
All the "normal "stuff - headbolts cut to length, cam gear spacer, Mazda belt, machine the leg on the side mount for belt clearance, etc.
Pick an intake manifold of your choice and adapt as needed.
I just added a second connector to the harness for the coolant temp sensor instead of cutting it off and moving it. Now there are two plugs on the harness, wired in parallel so a functioning sensor on either one is all it needs.


etc etc blah blah blah


The DOHC head on this engine was eating coolant. Half gallon in 7 miles on my drive to work each day. It had to be a crack in the exhaust port since it didn't burn any and I never found any in any cylinders. Compression checked out great at 190-210 across the board with the DOHC head. I had planned on pulling the cat and starting it up to see which cylinder was spraying but I said screw it and just pulled the head with both manifolds still bolted on. I didn't have a fresh DOHC head (other than my GOOD heads for the race car) and didn't want to spend $250 getting a valve job done on a DOHC head. So my R/T head became the donor from my Lapis Coupe I junked last fall.

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12.31 @ 111.51 - 235WHP/186WTQ
all-motor 2.4 swap, not-so-much daily driver

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'95 Ply ACR sedan NYG
'96 Ply Coupe Lapis Blue-junked
'01 ACR Stone White
'95 Ply Sport Coupe NYG 2.4 SOHC ATX
'95 Ply Sport Coupe NYG 2.0 SOHC MTX
'98 Ram Forest Green
'78 Aspen Super Coupe
'78 Volare station wagon
'03 GT Cruiser
'68 Chevelle SS 396 4-speed


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 Post subject: Re: SOHC
PostPosted: Tue Nov 29, 2011 12:58 pm 
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Location: Pittsburgh, PA
as far as the motor mount rubbing, what about on a 2gn, do you happen to know if an srt motor mount plate would work without modifacation?

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 Post subject: Re: SOHC
PostPosted: Tue Nov 29, 2011 7:29 pm 
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n00b
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Posts: 7335
Location: western WI
Most likely have to cut down that same leg since the belt has to go right thru it. SRT uses the same bolt pattern for the side mount as every other 2.4 from '95-up (except the 2.4 in the Caliber and the Mitsu 2.4).


Runs great! Beat on it on the way home from work tonight a little. No leaks, idles just fine. Check compression this weekend just to see where it's at. Maybe put on the adjustable gear if I can get the new center section finished up for the AEM gear. More likely next week when I get more spare time.

_________________
12.31 @ 111.51 - 235WHP/186WTQ
all-motor 2.4 swap, not-so-much daily driver

http://www.boogerbushings.com

Image

'95 Ply ACR sedan NYG
'96 Ply Coupe Lapis Blue-junked
'01 ACR Stone White
'95 Ply Sport Coupe NYG 2.4 SOHC ATX
'95 Ply Sport Coupe NYG 2.0 SOHC MTX
'98 Ram Forest Green
'78 Aspen Super Coupe
'78 Volare station wagon
'03 GT Cruiser
'68 Chevelle SS 396 4-speed


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 Post subject: Re: SOHC
PostPosted: Tue Nov 29, 2011 9:05 pm 
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WINNING

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98 Neon R/T (SRT'd 2.4 swap 20G Turbo Full MS2 Standalone) - storage
96 Neon - SRT4 swap, T850, 50 trim
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 Post subject: Re: SOHC
PostPosted: Tue Nov 29, 2011 11:49 pm 
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Neon Genius
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Location: Bought new house in 48821. Moving soon.
IBTL :tongue:

Can I lock this now?

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 Post subject: Re: SOHC
PostPosted: Wed Nov 30, 2011 1:41 am 
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jimbo in MI wrote:
IBTL :tongue:

Can I lock this now?


No

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1995 Highline Coupe SOHC MTX. BEING PARTED OUT.

2008 Subaru Impreza 2.5i


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 Post subject: Re: SOHC
PostPosted: Wed Nov 30, 2011 2:02 am 
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Neon Genius
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Location: Bought new house in 48821. Moving soon.
Power curve? What does it drive/feel like, 2L DOHC, 2L Mag, 2.4L?

Which cam are you using?

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niceguy wrote:
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 Post subject: Re: SOHC
PostPosted: Wed Nov 30, 2011 3:48 am 
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jimbo in MI wrote:
IBTL :tongue:

Can I lock this now?

It is sort of defying a .org tradition not to lock it, huh? :smile:

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 Post subject: Re: SOHC
PostPosted: Wed Nov 30, 2011 11:52 am 
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Neon Enthusiast
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Location: Winnipeg, MB, Canada
I didn't notice much lope from the crane 14 cam. Is it pretty tame for a 2.4L?
Do you notice where it starts to run out of breath?

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