stupid leaky bitch
well i've had this nasty turbo lag problem for awhile, and i've been slowly trying to figure it out. couldn't get a .42 .48 to spool until 4500 rpm's, same w/ the .60 .48. what i've tried- found one leak in the charge pipe, cooler doesn't leak, bov doesn't leak, and the couplers are good, and mani/turbo flange doesn't leak. what i'm trying- new injector seals, covering up the hole for the internal wastegate or putting a gasket on it. anyone know where to find a gasket for this??? can't seem to dig one up. any more suggestions as to where i should be looking?
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Re: stupid leaky bitch
check raceeng.com for gaskets.
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Re: stupid leaky bitch
checked before. couldn't find ----
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Re: stupid leaky bitch
make sure im understanding this right, you're running an external wastegate setup on a turbo that was originally internal, and you think the original wg hole is leaking, right?
can you take a pic of how its set up now? usually the downpipe flange you end up using just blocks that hole off. |
Re: stupid leaky bitch
correct. but there's an exhaust leak that's coming from there. a small one, but it's there
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Re: stupid leaky bitch
Originally Posted by darksol2005
correct. but there's an exhaust leak that's coming from there. a small one, but it's there
however, if its not sealing, and this is a homemadedownpipe, it may have warped the flange slightly during weld (mine did). I had a flat plane sander at work handy so i just milled it down flat again. you might need to do that. |
Re: stupid leaky bitch
thanks fookie. i'll give er a try
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Re: stupid leaky bitch
Originally Posted by darksol2005
thanks fookie. i'll give er a try
put a flat edge across the flange, then use feeler gauges to check for gap on the outisde edges or in the center. depending on which way it bowed when it warped. |
Re: stupid leaky bitch
a leaky downpipe flange will cause a slower spool?
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