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engine change; 97 engine into 95 car
Topic Started: Jan 29 2016, 01:45 PM (354 Views)
pedoty
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I picked up a 95 3 banger in Austin TX. and drove it up to Denver CO. it ran great , but used 2 to 3 qts. of oil every 100 miles . had to change plugs halfway into trip . I have a '97 with a banged up body but a good engine . I made the switch , I used the 95 intake manifold to keep all the emission hookups . the only thing that I can see left out was the crankshaft position sensor on the 97 engine , it was not used on the 95 . THE CAR RUNS LIKE CRAP. I've done Geo engine swaps before and never had a problem .
has anybody done this 97 to 95 swap before ? did I miss something ? any help would be appreciated.
Thanks , Paul
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David95237


With all that oil burning the cat could be plugged up
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freegeo
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Did you use your 95 distributor?
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Woodie
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Yes, you're definitely going to need the original distributor, and maybe the thermostat housing and sensors.
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freegeo
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Check the front O2 sensor if you used the 97 exhaust manifold. Don't recall if 95 had a heated O2 sensor or not. If you used the 95 sensor then you should be OK. 95 was kind of a weird transition year.
Edited by freegeo, Jan 29 2016, 07:25 PM.
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Cobrajet25
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Any CELs?
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cwatkin


Both of these cars should be using the heated 4 wire sensor. I have a 1994 advanced emissions which does. I have never worked on a 1995 but understand all the mechanicals, sensors, and emissions components are a direct swap between a 1995 and 1994 advanced emissions.

Re-check your timing marks on the belt. It seems like more often than not, I line the marks up but slack comes out of the belt and then you are a tooth off. That would be the first thing I would check.

Also, make sure the grounds are clean and connected solidly on the back of the throttle body.

All the other suggestions are good. The crankshaft position sensor will not hurt a thing. Just leave it there unplugged.

I once had an engine that used at least a quart of oil every 100 miles. Somehow the thing ran great and got 50mpg while fogging for mosquitoes. I was told by someone that all the oil in the cylinders was likely acting like a wet compression test and keeping the compression numbers up. I figured the engine was doomed and found a good replacement.

Conor
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