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Old 01-25-2008, 03:33 PM   #1
Dreamimage
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1995 SC1
1994 SL1
Default 1995 SOHC swap to 1995 DOHC

So as everyone mostly knows,
Ive been looking to either swap in a DOHC engine to my car, or sell my car and buy a SC2.

Personally, I'd rather keep my SC1 and make a SC1.5.
So I called up every single auto wrecker in the phone book remotely close to me, and I found one that can order me a 95' DOHC engine for $600 CDN.

I was wondering, if I were to do a swap and use this engine, is there anything other than the intake manifold, fuel rail and wiring harness i would need special to do this swap?
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Old 01-25-2008, 03:59 PM   #2
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Default Re: 1995 SOHC swap to 1995 DOHC

You dont need the wiring harness. Just the engine, transmission, instrument cluster, exhaust manifold/down pipe and PCM.
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Old 01-25-2008, 04:04 PM   #3
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1994 SL1
Default Re: 1995 SOHC swap to 1995 DOHC

Technically though, I can keep the SOHC tranny right?
The SOHC tranny has taller gears, which is the main difference?

So in order to get the engine in there and running all i really need is:
- DOHC Engine
- PCM
- Exhaust Manifold/Downpipe

Do I need a DOHC intake manifold?
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Old 01-25-2008, 04:12 PM   #4
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Default Re: 1995 SOHC swap to 1995 DOHC

Quote:
Originally Posted by Dreamimage View Post
Technically though, I can keep the SOHC tranny right?
The SOHC tranny has taller gears, which is the main difference?

So in order to get the engine in there and running all i really need is:
- DOHC Engine
- PCM
- Exhaust Manifold/Downpipe

Do I need a DOHC intake manifold?
The intake manifold should be already attached to the engine.

You you have an auto or manual? If it were me, and money was tight, I'd get what I could afford now and get the rest later.
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Mike

-1991 Turbo SL2.
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-2001 Limited Edition SC2 (#78)
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Old 01-25-2008, 04:14 PM   #5
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1994 SL1
Default Re: 1995 SOHC swap to 1995 DOHC

I have a manual SC1.
Money is fairly tight and most likely will continue to be until im done college.
I think im gonna get little bits at a time like you said.

What is the bar minimum that I would need to get the swap done?

Is there a guide on how to swap out engines, here on the forum?
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Old 01-25-2008, 04:16 PM   #6
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Default Re: 1995 SOHC swap to 1995 DOHC

Heres what we wrote up when we did the SOHC to DOHC swap in my SW1.

http://www.differentracing.com/tech_...dohc_swap.html

There a few things you wont need to do since you have a 1995.
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-1991 Turbo SL2.
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Old 01-25-2008, 04:19 PM   #7
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Default Re: 1995 SOHC swap to 1995 DOHC

Sweet.

Thank you very much Low.
Helps out alot!
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Old 01-25-2008, 08:10 PM   #8
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1994 SL1
Default Re: 1995 SOHC swap to 1995 DOHC

I just found a 1992 SC2 for sale for $300, the engine has 175,000kms on it.
Is it possible to swap a '92 DOHC to a '95 SC1?

It would be great if I could, because this guy also has power windows and locks, so i would also just rip off his doors and put them on my car, and just change the panels.
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Old 01-25-2008, 08:49 PM   #9
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Default Re: 1995 SOHC swap to 1995 DOHC

Quote:
Originally Posted by Dreamimage View Post
I just found a 1992 SC2 for sale for $300, the engine has 175,000kms on it.
Is it possible to swap a '92 DOHC to a '95 SC1?

It would be great if I could, because this guy also has power windows and locks, so i would also just rip off his doors and put them on my car, and just change the panels.
Nope. Cant use the engine. 1991 and 1992 used different reluctor rings on the crank. Only a 1993+ engine will work.
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-1991 Turbo SL2.
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Old 01-25-2008, 08:53 PM   #10
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Default Re: 1995 SOHC swap to 1995 DOHC

Awww, well that stinks.
I guess there is no way in modifying that either?

The search continues!
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Old 01-25-2008, 09:15 PM   #11
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Default Re: 1995 SOHC swap to 1995 DOHC

Quote:
Originally Posted by Dreamimage View Post
Awww, well that stinks.
I guess there is no way in modifying that either?

The search continues!
You could pit a 1993+ crank into the motor.
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Mike

-1991 Turbo SL2.
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-2001 Limited Edition SC2 (#78)
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Old 01-25-2008, 09:22 PM   #12
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1994 SL1
Default Re: 1995 SOHC swap to 1995 DOHC

Quote:
You could pit a 1993+ crank into the motor.
How much work would something like that take?
Is it something I could rip off of a junk yard motor?
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Old 01-25-2008, 09:59 PM   #13
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Default Re: 1995 SOHC swap to 1995 DOHC

Its not something I'd recommend if you havent opened up an engine before. I also wouldnt use a used one unless you have the journals resurfaced and get matching bearings.

I'd keep looking for a newer parts car.
...
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-1991 Turbo SL2.
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Old 01-25-2008, 10:03 PM   #14
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Default Re: 1995 SOHC swap to 1995 DOHC

Quote:
I'd keep looking for a newer parts car.
That looks like it's the direction I'm going.
Too bad I wasnt looking for one about a month ago.
I found a 1995 SC2 on kijiji for $1200CDN!
It had 150,000kms on it too

It would have been great to get that one...but it was sold
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Old 01-26-2008, 02:25 AM   #15
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Default Re: 1995 SOHC swap to 1995 DOHC

So it looks like I have now found someone about 3 hours away form me, who has some parts for sale.

1) being a 1994 DOHC (which he says has a "port and polished flowed matched head" and JE pistons with high compression), you think this guy it telling the truth?

2) leather seats, I have been looking everywhere for leather seats!

So will a 1994 DOHC work any better?
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Old 01-26-2008, 03:15 AM   #16
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Default Re: 1995 SOHC swap to 1995 DOHC

Quote:
Originally Posted by Dreamimage View Post
I just found a 1992 SC2 for sale for $300, the engine has 175,000kms on it.
Is it possible to swap a '92 DOHC to a '95 SC1?

It would be great if I could, because this guy also has power windows and locks, so i would also just rip off his doors and put them on my car, and just change the panels.
Is the '92 not drivable? I'd buy it and drive it instead!

BTW, a '92 would be an SC not an SC2. There was no SC1 in the early years so they didn't add the number until the SOHC was introduced to the couples. Lots of DMVs, used car lots and even blue books have it wrong. It only bites you when you use some thing that has it right and it can't find parts for a '92 SC2!
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Old 01-26-2008, 03:26 AM   #17
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Default Re: 1995 SOHC swap to 1995 DOHC

Quote:
Originally Posted by Dreamimage View Post
So it looks like I have now found someone about 3 hours away form me, who has some parts for sale.

1) being a 1994 DOHC (which he says has a "port and polished flowed matched head" and JE pistons with high compression), you think this guy it telling the truth?

2) leather seats, I have been looking everywhere for leather seats!

So will a 1994 DOHC work any better?
1) Those parts are certainly available for a '94 DOHC. The set of pistons costs about $600US brand new. Someone on another forum has a port and polished DOHC head ('95-98) he's selling for $200US. At least one online vendor offers them for more than twice that. Ask who did the port and polish and if he has the receipt from JE for the pistons. A set of their pistons comes with paperwork certifying all the critical dimensions.

2) I would drive up there from Wisconsin to get those leather seats!

The only thing you will need to make a '94 DOHC look like a '95 DOHC is an adapter plat to mount the electric EGR onto the port that was made for the vacuum EGR. Lowsaturn is the man with that part as they were only used on '94 Saturns sold in California. My '95 SL2 currently has a '93 DOHC with one of those adapters, along with the intake and exhaust manifolds from the original DOHC engine. In your case, you would still need a DOHC PCM and intake manifold. The exhaust manifold from his '94 is the same as a '95.
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Old 01-26-2008, 12:49 PM   #18
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Default Re: 1995 SOHC swap to 1995 DOHC

Quote:
Originally Posted by virnin View Post
Is the '92 not drivable? I'd buy it and drive it instead!

BTW, a '92 would be an SC not an SC2. There was no SC1 in the early years so they didn't add the number until the SOHC was introduced to the couples. Lots of DMVs, used car lots and even blue books have it wrong. It only bites you when you use some thing that has it right and it can't find parts for a '92 SC2!
Im not too fond of the interior and what he's done to the car.
The guy who is selling it is a hack.
Like, seriously, he cut the stock springs to make the ride lower. How cheap is that.

Take a look, heres the link to the 92 SC
http://barrie.kijiji.ca/c-cars-vehic...QAdIdZ35326739
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Old 01-26-2008, 01:12 PM   #19
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Default Re: 1995 SOHC swap to 1995 DOHC

It looks like the guy with the JE piston DOHC, is selling everything for $600 OBO.

That includes the leather seats and DOHC tranny!

It looks like im gonna be doing that. So for $600, I can completely redo my cars interior (leather chairs) and my engine (DOHC).

Im just trying to figure out how to get a engine and tranny here, from 3 hours away.

Anyone have any experience with delivery of an engine?
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Old 01-26-2008, 01:54 PM   #20
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Default Re: 1995 SOHC swap to 1995 DOHC

Quote:
Originally Posted by Dreamimage View Post
Take a look, heres the link to the 92 SC
http://barrie.kijiji.ca/c-cars-vehic...QAdIdZ35326739
"I'd like to be.... under the sea.... in an octopus's garden.... in the shade....."
And WTF with the intake? Did he run out of tubing, trying to go for a CAI?
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