Most Boost with a profec B?

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Old 03-11-2003, 01:32 PM
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Default Most Boost with a profec B?

Whats the most boost you can get out of a profec B? Ive heard only twice of what your wastegate spring is? In my case its a .65 bar TiAL Wastegate so that gives me 1.3 bar. thats like 18lbs of boost .

Anyone?
Old 03-11-2003, 02:01 PM
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Default Re: Most Boost with a profec B? (Boosted2ksi)

i have a .65 tial wg, and got 15 psi on the low setting and about 25 psi at the high setting; now i am using the profec a and can't seem to boost more tha 23 psi. gonna have to do over the learning process b/c of different vacum line routing.
Old 03-11-2003, 02:11 PM
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Default Re: Most Boost with a profec B? (BoostedbyFastrax)

was it turned all the way up? any problems with spiking?
Old 03-11-2003, 03:32 PM
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Default Re: Most Boost with a profec B? (Boosted2ksi)

yeah, the low **** was turned all the way and the high **** was about 95% turned. no prbblems with spiking.
Old 03-11-2003, 06:23 PM
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Default Re: Most Boost with a profec B? (BoostedbyFastrax)

the selenoid is good for plenty of boost. Ive run mine up to 30 on a few occasions and it held no problem. Greddy also claims 150% of the wastegate setting.
Old 03-11-2003, 06:54 PM
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Default Re: Most Boost with a profec B? (boosted3g)

The boost controller only goes 14lbs over the wastegate spring rate to a max of 28psi. there is a way to get it to go over 28psi but you need to call greddy to find out how. I knwo it can be done but i never needed more than 28 psi. I have a 20psi spring and high boost all the way up is 28psi even if i spray it it doesnt creep.
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