Rx-7$4$me

Hey all. Got a secondary boost problem here in my FD. Under WOT primary gives me a lil over 10psi. When secondary kicks in at 4500 it drops to around 8 then slowley drops and ends up at 5psi right at redline. vacuum is 18ish during idle. I checked both Y-pipe couplings, and the intercooler to y-pipe has two small cracks in it that didnt look like they went through, and Im still stock other then intake. I removed the Air tank, and it sounded like it was hissing air out when I put my ear next to it, and I looked under the upper intake manifold and I couldnt see any popped off lines ( I didnt remove it, just looked through the opening that the air tank covers up). What should I try now? 71xxx miles on original engine and turbo.s

Thanks alot

STevo

mjw

iTrader: (1)

Your answer is already in your question, imagine that cracked pipe trying to hold in pressurized hot air.. that is your problem, I'll bet they go through.

Matt

Rx-7$4$me

well, it didnt seem like it, but im def gonna try that out

if its not that. could It be my precat is clogged?

what else should I check?

serge1

Do the silicone hose jobs and that will illiminate
many, many boost problem. The job is a big pain
in the *** but it worth the effort.

Serge

Rx-7$4$me

BUMPITY BUMP!