88 vs 89 RX-7
#1
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88 vs 89 RX-7
Does anyone know if the intake from an 88 will fit the block of an 89? Also is an automatic transmission in an 88 tied into the ECU for anything more than a neutral switch or something else that can't be easily jumped?
I have an excellent 89 body and short block with a manual transmission but gremlins, and a wrecked 88 with a strong motor but an automatic. I am trying to make one running car.
I have an excellent 89 body and short block with a manual transmission but gremlins, and a wrecked 88 with a strong motor but an automatic. I am trying to make one running car.
#4
Do a barrel roll!
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The intake will "fit". but Im not sure if the 89ECU will be ok with the 88 intake. The 89+ cars had a VDI intake, which worked better with the higher-revving 89 engine, with higher compression rotors. If it did work, youll probably have less HP then with the 89 intake. But the TPS and all that junk is different on the 89+ cars, and I doublt if it will run fine with the 88 intake and TPS and stuff on it. I've never done it though, or heard of it done, im just kinda speculating what I think. Anyone else wanna back me up?
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Thanks for the responses. What I am looking at doing is stripping the 89 intake, wiring harness, and ECU from the car and replacing it with the parts from the 88.
Does this sound like a feasible plan?
Does this sound like a feasible plan?
#7
Former Moderator. RIP Icemark.
Except that it is illegal to swap backwards in years because of emission reasons (even though the 88 engine and ECU and cats are cleaner burning than the 89).
So if your gonna break the law anyway, IMO, you are better off using all the 89 stuff, including the front cover, so you can use the electric OMP and 89 intake on the 88 block. That way other than compression you are almost the same as to HP and efficency.
So if your gonna break the law anyway, IMO, you are better off using all the 89 stuff, including the front cover, so you can use the electric OMP and 89 intake on the 88 block. That way other than compression you are almost the same as to HP and efficency.
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