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Is this even possible?

791 views 7 replies 7 participants last post by  strokin_early_99 
#1 ·
I have a buddy with a 99 dually. He has diablo tuning and a bully dog intake and says that in his race tune hes getting 36 PSI. I said he MIGHT be getting 26, but I doubt that too. I get like 24-25 with my PHP chip. Any thoughts?
 
#4 ·
Where is all this boost coming from though? the diablosport?
 
#7 ·
i have the diablo sport and i can only spike it to 26 at the most so yea i doubt he's hittin 36
 
#8 ·
Maybe he is using an electronic gauge that picks up from the OBD II and it is reading MAP(manifold absolute pressure). Which reads 15psi higher than PSIG.

I have a diablo chip in the desk, it would only hit around 25psi when in the truck.
 
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