whats wrong?

All technical questions and answers regarding starions, being modifications to maintenance.
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mix78
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whats wrong?

Post by mix78 »

where did my power go? slowly my acceleration has depleted, no tourqe any more, no boost curve, just seems really flat, a vl crapadore beat me for god sake!! . i run 15psi boost, 450mm fmic, exhaust ect, is it just tired? is the the advance timing thingy suposed to see positive boost? whats wrong? :(
enthuzed
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Post by enthuzed »

Welcome to the forum, mix78. You've probably killed your turbo at a guess.
Reduce fuel costs by 15-20% & cut emissions by 1/3rd...
Increase engine performance & prolong engine life...
How?
Click the website button below & watch the 3 minute video.
mix78
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dying turbs,

Post by mix78 »

thanx for your input mate, i was thinking the same, though it seems to spool up ok, a little smoke at ildle, but thats it, fuel pump maybe?
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Alspos
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Post by Alspos »

Howdy.
What have you checked/adjusted etc. Timing? Blocked or crushed exhaust, blocked cooler pipes? Wastegate actuator jammed open?
mix78
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Post by mix78 »

gday yhere, man, ive checkd everything, timing,@10 btdc, balance shaft timing is spot on, the only thing im yet to do is check the fuel pressure, this is driving me nuts,
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Alspos
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Post by Alspos »

Vacuum advance unit inside the dizzy working?
OLD FART
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Post by OLD FART »

Blocked fuel filter???
Had a similar problem many moons ago and after many $$$$$ it was a fuel filter that was ok on lo boost but as soon as 7+ went into it all sorts of farting and spluttering arrived
I've had mine since 03 07 92
85 JB 2323cc DOHC 4G63
THE OLDER I GET THE FASTER I WAS
GROWING OLD IS MANDATORY GROWING UP IS OPTIONAL
mix78
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Post by mix78 »

buying a new fuel filter tday, should the vac advance see positive boost , or jusy vac???? howd that bonnet go old fart? :)
Entaran
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Post by Entaran »

Might sound stupid but have you got a collapsed Cat or collapsed muffler?

That would easily cause all those problems.
Adriano
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Post by Adriano »

Is it actually making boost?
mix78
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Post by mix78 »

the boost gauge says 14psi, as does the factory gauge, but it feels more like 7psi,really flat in power, and the exaust is fine,
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Post by mix78 »

found it i hope, big crack in manifold, and 2 broken studs, odd, it didnt sound like it was leaking, heres hoping
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