How are you reading boost numbers? If your reading it on a edge cts you will never see more than 23psi.Yes sorry guys should have given more info. It has up pipes down pipe 5 inch exhaust egr delete, lbz air horn, it has a tune in it but dont know what it is. was bought as a wright off. it has a dsp 5 position switch. After fixing it i then put it on the road,the reason i am asking is that when you get on it of the line it only comes alive at about 20 mph and then goes pretty good. i only get about 23 lbs of boost. I did check for leaks and all is good also checked stock turbo variabelle vane and they seem to fuction fine. The rest of the truck is stock. oh the rail has a race plug in it.
Do RPMs seem to come on as quick as they should ? How many miles on eng ? What size tires ? Since the up pipes have been changed are you sure you checked them good for leaks ? Are the EFI switch wires connected and is there a change in performance when the switch is turned ? Do you have a V2 ?
all stock as i said when i hit about 20 then the tires will break lose for a bitDo you know if the transmission has been built and if so what converter ?
How are you reading boost numbers? If your reading it on a edge cts you will never see more than 23psi.
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all stock as i said when i hit about 20 then the tires will break lose for a bit