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Old 07-28-2018, 05:35 PM   #1
Bearded1mx3
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Default DOHC engine with SOHC Manual tranny

So I'm getting my hands on a sc2 for 200 bux. Guy claims it only has 80k on it. My sohc has 223k so I figure perfect donor for a swap. The donor car is also manual. I'll have the whole car so I know I'll need th er ecu...anythi ng else...I believe it's a 98. My SL1 is a 97 manual. I want to keep my tranny. I dont rem. The trans. Code. But I would rather have the economic transmission. Are their any issues with this?

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Old 07-30-2018, 12:39 PM   #2
alordofchaos
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2002 SC2
1998 SL2
Default Re: DOHC engine with SOHC Manual tranny

Let's see if I understand -

You are getting a '98 SC2 and pulling the engine.

You're putting that engine into a '97 SL1?

It will work, but you need the PCM (ECU) from the '98 and the fuel system. The '98 has a returnless system; integrated fuel pressure regulator and filter (located in front of the left rear tire).

Should also pull the instrument panel from the '98 but not critical. I think the speedo from the '97 will still be accurate but you may want to check

Only problem with the trans is the cruise won't work (in 4th and 5th gear, I believe)

This is probably the first SOHC to DOHC Saturn swap ever written, so is missing a few things from the later models, but is still a pretty good guide
http://www.differentracing.com/tech_...dohc_swap.html

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12/2008 eBay silver 1998 SL2 5 spd 102k, now 201k+ miles

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