hmmm boost creap?
ok so i have everything on and it is not building boost properly?
d16a6. hf, t3 42/48, dsm smic, dsm bov, te. so with an air filter on it doesnt build boost hits 0 and stays there, the bov opens and i here a little air come out but not that much. with the air filter off it builds like 3 to 4 pounds of boost but it takes a while to do so. i disabled the wg and it will build boost now but takes very long to so. ie. 2-3k 1-2lb of boost, 3-4k 3-4lb of boost, 4-5k 4-5 lb of boost. and so on up until about 7 lbs and i let off. in some of the higher gears it doesnt even reach this amount. ok so i figure maybe boost creap? maybe i have a leak somewhere? i have the wg mounted off of the turbo it is attached to the block( this is do to the adapter plate i made stupid me) and i extended the arm with some allthread and seem real tight but maybe i dont have it tight enough and it is opening to soon, but why would i have mega boost creap when it is diabled?? i dont know any body have any suggestions it would be appreciated and if more info is needed let me know thanks |
Re: hmmm boost creap?
hummm..
are you sure no charge pipes are leaking? what kinda exhaust do you have? |
Re: hmmm boost creap?
thats a leak somewhere.. you shoud have 10 psi on that turbo by like 2800 rpms
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Re: hmmm boost creap?
as far as i can tell all the hose clamps are good and tight. my exhuast is a shitty as thrown together flexpipe/old exhuast kinda thing until i get money. so you think i should check for leaks in charge pipes? my intake is a y8 that use to have egr but i put a block off plate over the egr ports. could this cause my problems?
whats the best way to find a leak? thanks |
Re: hmmm boost creap?
sounds like the wg isnt closing all the way to me
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Re: hmmm boost creap?
Originally Posted by ghettoturbo
sounds like the wg isnt closing all the way to me
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Re: hmmm boost creap?
Go buy some adhesive spray, unclamp all of ur clamps, spray that adhesive spray between the pipes and the silicone clamps, and RETIGHTEN those SOBS's! Most likely a leak. Check everywhere for the stupid leak, even if u have to sit on top of the engine as someone is driving it down the road! (Oh yea, make a video of this too, so I can send it to Jack Ass! No pun intended.)
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Re: hmmm boost creap?
hey thanks for the replys tomarrow i will go out there and i guess try and adjust the waste gate some more, and take all my charge pipes loose and make sure everything is making a good seal.hopefully its an easy fix
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Re: hmmm boost creap?
dont forget to check the wastgate, bOV, and manifold to block connections.
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Re: hmmm boost creap?
ok so i took all the charge pipes off and blew in them( i know i can only blow like 3 psi) but i figure since im not seeing any boost then if there was that big of a leak i would find it by doing this, well i found an injector o ring that was not sealing and a hose clamp loose. thats all i found. it seemed to help a little. but im still not seeing full boost untill like 5k. so i dont know, i cant see any visual exhuast leaks between the adapterplate and turbo or manifold. i havent taken the wg flap off to see if it is flush or warped or or i dont know. if you all have any other ideas please let me know i would greatly appreciate it.
thanks |
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