 94 geo prizm engine help!!! |
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 Dec 28, 2007 - 12:35 PM
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Enthusiast  Joined Aug 31, '05 From Houston TX Currently Offline Reputation: 7 (100%)  |
I have a friend who has a 94 geo prizm the 1.6l. well last week he blew his engine and now he wants to buy my 7afe 1.8l. well I am wondering what is needed to fit the engine in his 5sp tranny? will he need a diffirent harnnes and ecu? what about motor mounts?
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Dec 28, 2007 - 3:25 PM
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 Enthusiast Joined Apr 12, '07 From Houston, TX Currently Offline Reputation: 4 (100%) |
If he has a 1.6 then its probably a 4a-fe. Since they're the same family engines the motor mounts should work fine. If you both have 5 speeds then there's no problem but if you have an auto and he has a 5 speed you're going to need to find a tranny for the 7a (and you can't have mine) as well as the ecu for a 7a manual.
-------------------- "He won't come out of the bathroom. He keeps telling us we're dark somethings and not his friends."
"Hmm. Ask him if he's the dragon reborn." "What?" "Just do it." ".......He said yes." "Tell him you are not darklings. He should open up." ".......Sweet. Thanks." "No problem." |
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Dec 28, 2007 - 7:10 PM
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Enthusiast Joined Aug 31, '05 From Houston TX Currently Offline Reputation: 7 (100%) |
lol naw boith of ours are 5spd . so all he needs is the motor and ecu?
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Dec 28, 2007 - 8:42 PM
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Enthusiast Joined Mar 11, '06 From Way South Chicago Currently Offline Reputation: 0 (0%) |
yep, the 4afe ecu may run the car...but best to use the 7afe ecu. make sure both are of the same emissions spec, such as you both do or dont have egr and you both do or dont have the same number of cats and O2 sensors.
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Dec 28, 2007 - 8:52 PM
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Enthusiast Joined Apr 12, '07 From Houston, TX Currently Offline Reputation: 4 (100%) |
Well I think there's more to a swap than just trading the ecu, engine and tranny but in essence, yes.
-------------------- "He won't come out of the bathroom. He keeps telling us we're dark somethings and not his friends."
"Hmm. Ask him if he's the dragon reborn." "What?" "Just do it." ".......He said yes." "Tell him you are not darklings. He should open up." ".......Sweet. Thanks." "No problem." |
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Dec 29, 2007 - 9:58 AM
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Enthusiast Joined Mar 11, '06 From Way South Chicago Currently Offline Reputation: 0 (0%) |
other than that its pretty much just taking one out and putting the other in. the corolla/prizm also came with the 7afe so the mounts will lineup, trans should works since both are A engines, etc.
are they both the same year or atleast the same emissions spec? also there is once sensor difference between the 7afe and 4afe, the knock sensor. the 7afe has one and the 4afe doesnt. i'd suggest swapping the 7afe pcm with the 7afe engine to retain the knock contronl of spark timing, theres a reason why the 7afe has that! This post has been edited by Bitter: Dec 29, 2007 - 10:01 AM -------------------- |
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Jan 19, 2008 - 8:19 PM
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Enthusiast Joined Aug 31, '05 From Houston TX Currently Offline Reputation: 7 (100%) |
QUOTE(Bitter @ Dec 29, 2007 - 8:58 AM) [snapback]626451[/snapback] other than that its pretty much just taking one out and putting the other in. the corolla/prizm also came with the 7afe so the mounts will lineup, trans should works since both are A engines, etc. are they both the same year or atleast the same emissions spec? also there is once sensor difference between the 7afe and 4afe, the knock sensor. the 7afe has one and the 4afe doesnt. i'd suggest swapping the 7afe pcm [u]with the 7afe engine to retain the knock contronl of spark timing, theres a reason why the 7afe has that! can you tell me more specifically what is that? well i am about to start my 3sgte swap and my friend is buying my 7afe and ecu what else does he need that i can sell him? if yall tell me alittle more specific what would have to be done in order for my engien to be compatible with his car that would help me alot, since we are starting to work on it tomorrow. thanks in advance 
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Jan 19, 2008 - 10:36 PM
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Enthusiast Joined Aug 31, '05 From Houston TX Currently Offline Reputation: 7 (100%) |
anyone plz help
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Jan 20, 2008 - 12:50 AM
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Enthusiast Joined Mar 11, '06 From Way South Chicago Currently Offline Reputation: 0 (0%) |
he'll need the knock sensor, wire harness, and any of the egr stuff you had.
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