Is a 3.4 DOHC hard to drop in a 86, 4 speed manual notchie?Besides engine, what else? (Page 2/2)
Rick6375 DEC 01, 01:29 PM

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Originally posted by ltlfrari:

Custom front engine mount
Dog bone and mount
Exhaust
Coolant plumbing
Power steering delete
Wiring harness
88 (or balanced) flywheel
New fuel pump
ECM, flash of ECM chip to new program
Throttle cable
AC hookup to compressor/hoses

Probably replace the clutch and TO bearing as well while it's all apart.



Would the ECM from the donor car not work as is? Am new to all this computer swapping/programming way of tuning. I am considering this swap for my 84 2.5/auto, with the 3.4 and an OD auto in the future.
Will DEC 02, 08:43 AM

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Originally posted by Dennis LaGrua:

That might be the best choice but I believe that the 88 Fiero neutrally balanced flywheels may no longer be available.





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Originally posted by pmbrunelle:

The 88 V6 flywheels are still readily available:
https://www.rockauto.com/en...manual,flywheel,5348

It's the early externally balanced flywheels that are unobtainium.



Exactly, GM built MANY MANY more cars much more recently with the neutral flywheel than with the off-kilter flywheel.