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27 Posts
rookie needs some help....
this truck is 99% street time, olds 455 with tt holset hx35, e85
my wastegates seemed to working fine when i was running 15 lbs but i now am going to pump gas and trying to get down to 8 lbs. with the 7-9 lb spring (i did test em) they cannot get it below 12 lbs.
gates too small?
poor header design?
thanks in advance
this truck is 99% street time, olds 455 with tt holset hx35, e85
my wastegates seemed to working fine when i was running 15 lbs but i now am going to pump gas and trying to get down to 8 lbs. with the 7-9 lb spring (i did test em) they cannot get it below 12 lbs.
gates too small?
poor header design?
thanks in advance


