Ok i have a 96 civic with a b18 motor with a T25 turbo (greddy) and i drive the car down the road and just before it hits boost it putts and sputters and dosnt seem like it hits boost after. could it be timing, or needs to be tuned, NOTE: it was tuned before i swaped motors out the other b18 was blown replaced it with the same motor.

is there a leak somewhere?

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i would retune it and also dial in your timing, run 91 or higher if possible

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cylinder head guru!

Non Vtec power