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View Full Version : Spooling and tuning issue PLEASE HELP


Spoolin_Turbo
10-01-2012, 01:32 PM
lets start of with my setup.
pte 5557 mitsu flange
FP manifold
bluemax 1650
E-85
walbro 255
fmic
3" exhaust
evo 3 o2
link v3 full

ok so first of all just got my idle and cruise dialed in.
so we started to do some pulls and noticed it gets super rich (about 10.5) and bogs down in the 3700-4200 rpm range, before and after that rpm range the afr's are fine. we tried to pull some fuel out of that area it didnt seem to make much of a diffrence.

then the issue of spooling is also BAD i can only build about 10psi 5500rpms. and only hits full boost from 6500 to 7500. PLEASE HELP.
also i did a boost leak test and held 20psi great

i kinda have a feeling the two issues are related, but possibly not they both started happening at the same time but that was when i put in the turbo, injectors, and e-85 all at the same time.

ill post up a log of a pull as soon as i get home.

JET
10-01-2012, 03:34 PM
It sure sounds like a boost leak, maybe the wastegate is stuck open or not closing fully? There aren't many things that could cause the boost to build so late. I would start with that and go from there. I would redo the boost leak test and go up to 30 psi and check the wastegate.

Super Bleeder!!
10-01-2012, 03:42 PM
i would also check the wastegate

asshanson
10-01-2012, 03:44 PM
Also check for pre-turbo exhaust leaks.

tehehodi
10-01-2012, 03:47 PM
Basically the stuff we told you to check last night. Maybe you should do that WG check like you did with mine before we installed.

Spoolin_Turbo
10-01-2012, 11:58 PM
alright so figured out the slow boosting issue, it was in fact the wastegate not fully sealing, easy fix adjust the actuator arm.

Spoolin_Turbo
10-02-2012, 12:00 AM
now i get 10psi by about 3500rpms :D

goodhart
10-02-2012, 12:01 AM
Glad to hear u got it fixed, now call Shane for a tune!