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Old 08-31-2006, 08:54 PM   #1
Sheldon
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1997 SL2
Default 97 to 95 interchange????

Quick Question: I've got a 97 saturn sl2 that needs a motor and i've got a good motor from a 95 sc2. There both automatics and i was wondering if i could drop in the motor from my 95 into my 97???
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Old 08-31-2006, 08:58 PM   #2
eljefino
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1995 SW1
2000 SL1
Default Re: 97 to 95 interchange????

should go pretty easy, I would keep the same year injectors and ignition module as what computer you're using. You can abandon the 2nd coolant temp sender in place and plug your remaining plug into the lower/further back sensor.

http://www.turbosaturns.net/forum/viewtopic.php?t=2211 <- lots o good info
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Old 08-31-2006, 09:11 PM   #3
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1997 SL2
Default Re: 97 to 95 interchange????

cool. but, which motor has 2 temp sensors??? I'm actually doing this for a buddy of mine.
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Old 08-31-2006, 09:57 PM   #4
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1995 SW1
2000 SL1
Default Re: 97 to 95 interchange????

the early one has two sensors, but the later car only requires one. The remaining upper one looks the same, threads the same, but isn't the same inside, and is intended for the gauge. A computer output runs the gauge in 97.
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Old 09-01-2006, 12:25 PM   #5
Ken Benson
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1996 SC2
1997 SC1
Default Re: 97 to 95 interchange????

I want to second the recommendation of keeping the '97 injectors when you swap the engines. '95 and '97 injectors LOOK the same, but are in fact different(low impedence vs. high impendence), and while the car would start with the wrong injectors, it would not run correctly. Also, keep the '97 throttle body, as there are minor differences there too. The intake manifold is the same, so no need to replace it, just swap the TB and the fuel rail, and all will be fine.

You'll also want to keep the engine sensors (EGR, knock sensor, etc.) from the '97. They are all easy to swap out, and you'll find that some of the '95 sensors wouldn't connect to your wiring harness anyway, due to different fittings.

Lastly, if you are pulling the engine from the top, remove the TB from the engine before you pull it. The IAC and TPS sensors are on the back end of the TB, and have a real tendency to get damaged by the top lip of the firewall when the engine is pulled. It'll save you a bit of hassle, and it's just two bolts.

Good luck!
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