LB7: Boost with PPE Boost Valve

[KEVINL]

What are you guys seeing for maximum boost I am running a 2900usec pulsewidth smokes like a frieght train boost seems to hit 28 and then goes back down to 25

I was getting 2.0 plus bar before with my old gauge that was electric I am wondering what the deal is

Also it hits 25 with the stock tune.

 

[03-GMC]

Max boost i ever see with mine is 26

 

[bonescarolfi]

Mine usually runs around 32 but it has hit 36 and then gone back down to 32.

 

[2500HeavyDuty]

i was able to hit 34 with a 3200us

 

[Turbotug]

I hit 30ish with a crack pipe on mine.

 

[KEVINL]

Crack Pipe

 

[Kat]

Crack Pipe

Another name for Boost Valve

 

[Turbotug]

A brass "T" in the line going to the waste gate. The T then has a hole drilled in it to bleed some of the boost signal delaying gate opening. I still have it around here some where...yours if you want it.

 

[maine04max]

with robs tune im getting 30 - 31 .... stock tune only 21 maybe and edge i was seeing 24 max

 

[KEVINL]

I might give it a try Brandon


With the rain and the cooler temps It seemed to help the turbo alot I could actually hear it I saw a momentary 30 psi spike under part throttle but it drops to 25 at wot still seems to be plenty of smoke

I have some Juice Grips:happy2:















:badidea:

 

[tylerrustLB7]

30 to 31 here

 

[Dave50mod]

I can only get 15 out of mine stock it should be more right

 

[bonescarolfi]

I can only get 15 out of mine stock it should be more right

I think I was getting 21 or so with no boost valve and a bully dog programmer. Stock tuning I have no clue.

 

[SDP]

I get 26-28 with the boost valve in. Dropped .09 off 1/8 time with it using 500-550rwhp tune.

 

[TheBac]

Have hit 32-33 at shift points, then it drops back to 27-28 as rpm increases between shifts.