I was using a nonported fp black on a stock block. I ran 27psi with no boost creep. 506whp/396tq on e85-27psi just fine. It was run like this for a year no problems.

 

Ported fp black stock 2.0 toxicfab 02 dump 29psi 92oct. Been running it like this for the last 2yrs. No boost creep, but now I'm having the opposite issue...boost leak!!!

 

Foxbat i respectfully disagree on the 400whp max on stock block. Alot of factors go into whether a stock block can handle 400+whp. Maintenance, prior abuse, and most importantly the quality of the tune. Tom (tscomp) has tons of cars at 500+whp on stock block. Its all about keeping the torque low and keeping the knock counts at 0. It can be done if done right.

 

i would really like to knw where my boost creep is coming from if you guys rnt getting it. my black is ported and i'm running the MAP o2 dump. and i get crazy boost creep.

 

My buddy ran his fo black ported from Fp. Bone stock bottom end with head studs and built head 32psi for over a year and there was nothing wrong when he took it out and had it built. He also had map 02 so I don't know where it's coming from either

 

What kind of boost control?

 

me either man, im so confused. to smurfzilla- i'm runnin ecu boost(grimmspeed)

 

I am running stock bock on the black, currently at 500/394 I would have to agree with everyone else I do love the power but the lag sometimes kills me

 

i knw there is lag, i understand that lol but im tryin to get information on boost creep issues. please refer to first post

 

IM ON A 2.0 STOCK BLOCK FP BLACK BB 30PSI DROPPING TO 28 ECU BOOST MAKING 508HP 400TQ 93 oct NO CREEPING OF BOOST BUT YEAH PORTED WITH MUSE 02 DUMP . sorry for caps at work haha.

 

LOL, its all good man, why the **** am i having this issue, tuner is sayin its the o2 dump, but not a damn person on here is having or has had this issue. i really confused now.

 

bippity bump!

 

Have you checked the flapper for motion yet?

 

LOL hey john, actually yes, i mocked up the old stock turbo and the stock o2 housing, same exact amount of travel.

 

i also read sumwhere that to much fuel down low can cause boost creep. not sure how true this is?