Guess I´ll order one and see if that solves it! Thanks for all the time and help @MrBlah , I´ll check back here after getting it installed.

 

BTW @MrBlah do you recommend Gates or Continental? I Had a couple users here say that continental belts are less prone to stretching.

 

I've never found continental in stock

I use gates green kevlar on my track car now, it's a real pain getting them to fit, I have to remove the damper

 

I'll come back to your cam as the reason for lower than expected boost. You are 2psi less than I am on a much more aggressive pulley setup. I am hitting max boost at around 4500rpm of 15.5psi, ever so slightly reduces back to around 15psi up until 5500rpm then gradually climbs to 15.8psi at 7000rpm. So i really don't think you have an issue. If you are just 17 pulley and cam surely others can say what boost they seeing.

 

Hey! Thanks for the input.

Im yet to find someone with a similar build that has done some logs so i can compare them more accurately!

I agree that the cam should reduce the boost a bit. What kind of pulley setup are you running with those Boost Values?

 

I have close to the same

this log is with dominator, 17%, jcw intake, 4:1 header, highflow cat, peaks at 15.5 psi at 7200 when the throttle plate closes 3rd gear

https://datazap.me/u/mrblah/silver-c...=3-7&zoom=0-44

same car with a PH3 Saturday peaks at 14.4 at 7200 but this was only a 2nd gear pull. Once my new wideband sensor gets here I'll test in 3rd, I always pick up boost in 3rd, 2nd is too quick a pull to get to full boost

 

Then I am for sure loosing boost, if you get 15.5 with highflow headers and cat I should be seeing even more boost with stock header/cat.

I´ve ordered the gates belt that you advised me, waiting for it to arrive

 

20%sc pulley, +2% crank

 

Have you had your car on the dyno? To check power levels if it's round about where it should be at with your mods? Sometimes less boost is good, as your setup might be free-er flowing, with lower iats and make more power than some one without a cam and making more boost.