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Leaning Out 3rd and 4th gear

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Misterbeechy

10+ Year Contributor
576
1
Aug 11, 2010
Bronx, New_York
NOTE: this is not my dsm

Setup is:

2g GST w/ 6 bolt swap
*FMIC with bov NOT RECIRCULATED
*Stock FPR w/ Wally 255 (also wally not doing the whiring sound as it used to)
* 450cc injectors
went from PTE 60 turbo to t25 for the mean time til pte gets rebuilt

The motor recently jumped time and bent valves we placed another 6 bolt head on it and ever since the swap 1st and 2nd run normal / rich 10.0 - 11 afr..

Then gears 3 , 4 and 5 start leaning out and NO these are not WOT pulls 14.0 - 15.0 afr

Im just providing as much info that may be related.. if there is no relevence then just ignore..

i think it could be due to stock fpr with 255 wally..
 
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