car won't boost over 6 psi :(
 

i went and got my car tuned today ;D, but i had my boost at 5psi just because i didn't want to turn it up until i got tuned since my basemap was made for a smaller turbo. well we were doing our WOT runs and once we were done i went to tun up the boost. i have a homemade mbc and it usually worked before but now i can't get it to go over 6-7psi.

basically i have my mbc almost all the way closed and nothing changes.

my set-up is d16y8
.48/.60
greddy type S
CCA fmic
home made mbc

a friend of mine gave me a turboxs mbc to try but it looks kinda weird. just a long hose with a T at one end and a knob at the other. anybody know how to use it or what way it goes?

anybody have any suggestions on what could be keeping my boost low? im gonna try messing with the wastegate and boost controller in the morning.

Re: car won't boost over 6 psi :(
 

thats not a turboxs mbc, i can tell ya that much.

Re: car won't boost over 6 psi :(
 

sounds like one of those ebay mbc"s sounds like your the proud owner of a boost leak.

Re: car won't boost over 6 psi :(
 

i've never seen one like it but i will get some new batterys for my digicam and post a pic

Re: car won't boost over 6 psi :(
 

you got boost leak 8)

Re: car won't boost over 6 psi :(
 

sounds like boost leak ...could be coming from your poopy mbc ... among 19,000 other things

Re: car won't boost over 6 psi :(
 

here is the new MBC i was gonna try, if i could figure out how it worked :(

Re: car won't boost over 6 psi :(
 

umm, thats 1/2 of a turboxs mbc, now all you need is the other half.

Re: car won't boost over 6 psi :(
 

lol, maybe i'll pick up a new boost controller soon

Re: car won't boost over 6 psi :(
 

ahaha... ;D

try making one yourself. It's cheaper that way