I am finally at the stage of my build where I am testing these two items. I ran the truck last night with a boost gauge plugged in the intake and then in the pipe before the intercooler. I found roughly 17.5 psi before and 13.5 in the intake. I am sure this is not ideal, but how bad or good is it? I have a 24x12x3 e-bay unit that looks the same as the one Foose04 posted pics of here.https://www.performancetrucks.net/fo...-477769/page3/
I noticed Atomic's numbers were much worse than mine and I dont really know why. Will post results of the backpressure test this evening. Comments welcome!

 

That doesn't seem HORRIBLE, but it's not great either IMO. It's just making the turbo work harder

 

I am shopping intercoolers now! Got to have good flow there in order to see if my backpressure is ok.

 

Im running a 4" core CX racing cooler and when I compare my map sensor pressure readings to what my boost gauge, which is referenced at the compressor housing, Im seeing about a 1 PSI dropped through the intercooler

 

Good data man. Thanks

 

Im sorry, that is wrong. My boost gauge is referenced at the manifold. IDK what I was thinking. I guess the gauge could be a little off. I need to hook it up at the compressor and see what the difference is

 

Update: I turned it up some and now I see 21.5 before the cooler!!! My log reads 196 kpa. have I maxxed out my 2 bar sensor already?!

 

Dang that's like a 7.5 psi pressure drop. What iats are you getting?

 

Under 100. I am using an Alky-control kit with a m15 nozzle spraying 100%pure meth.

 

UPDATE!








Here is the new upgrade! No pressure drops or real test drives yet. It is storming now.