so i took the truck to the shop and had my quad pod installed and had tranny temp, boost, pyro, and EBP installed, well my question is if my EBP is correct, they drilled a hole in the exhaust is right next to ta the pyro probe, and at idle and driving down the road it reads right round 0psi, and if i hammer down for jesus it reads the same readings as my boost, when my boost reads 20 psi so doesnt my EBP (my valve doesnt close ither)

 

nobody knows??

 

if im not mistaken boost and back pressure should be the same. if everything is working right.

 

i would be more worried about drive pressure than back pressure?

 

well ya, but i was just wondering if the EBP was right, and the boost is the same as it was on the last gauge that i had in there, by drive pressure you do mean boost right?

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the reason i was asking is because im wiring the valve to a switch and i want to make sure that this is accurate so i dont blow the motor

 

why do you want one?

 

uh so i dont blow my motor, and to me thats not a thumbs down, im pretty sure that not wanting to blow a motor is a good thing

 

your drive pressure will be close to if not double your boost numbers, on a stock turbo anyways

 

Okay but what do you mean by drive pressure?? But does anybody know if my EBP sounds accurate??

 

On a stock turbo your EBP should be about the same as the boost to about 18psi, then it will go up from there. At 25# boost you will be at 35-40psi back pressure...