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 4AGE redtop???
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91 posts [100%]
Atlanta GA

 4AGE redtop??? Reply  Edit

I just installed a JDM redtop motor in my 86, and it doesnt feel like it was as quick as it was before with my bluetop, I am using the bluetop ecu and was wondering if thats my problem? If anyone has any ideas please help, thanks!!

Road Race!!!! Supercharged F22C 86



914 posts [90%]
boro boro style

  » Reply  Edit

i been wondering the samething
anyone got an answer?

AE86 Nights


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AE86(1UZ-FE) :P
TE 4 Door(4age)



1377 posts [94%]

  » Reply  Edit

IF you run redtop everything, (efi, injectors, ecu etc.) you get 140 crank hp (whats that +10 from the stock bluetop?). since you are using bluetop EFI, most likely bluetop IM w/ adapter. the only real difference that might be felt is that the redtop is probably less "tired" (has less miles) then your stock bluetop.

i did my hicomp swap a year ago, it feels sluggish under 4K, because 1) no more tvis, 2) heavier internals but once you get past that, it pulls a lot harder than the bluetop that it replaced. im using IK20 denso plugs, hicomp fuel rail, hicomp fpr, hicomp injectors (resistor bypass), bluetop efi and bluetop IM w/ adapter.

also, redtop motors have less lift on both in/ex cams. and the motor is designed to be used with the redtop IM that doesnt use tvis. you go and stick the tvis IM and im sure it messes sh!t up


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