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Author
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Topic: engine problems/performance
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1EVLSNKE
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Member # 4789
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posted
 
 
i just bought an engine off a friend of mine an installed it in a 88 gt but the engine's performance is not even close to how it was on my friend's car. my car runs like crap. engine is a 302 alum.heads,trick flow upper and lower,headers,the fuel rails,msd dist,chip,75MM Throttle body.
NEED HELP.....
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LS WHAT
ORGANIZATION
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GM INC,1 Sic formula(FRDEATR)
Posts: 422 | From: SAN JOSE | Registered: Aug 2004
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88DroptopGT
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Member # 2535
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posted
You need to be more specific. Name your whole combo. What -lb injectors are you running?
What fuel pressure? What year is your car? MAF or speed-density? Gears? Stuttering idle? ![[Confused]](confused.gif)
Posts: 3978 | From: 707 | Registered: Mar 2003
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1EVLSNKE
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Member # 4789
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posted
its an 88gt with stock gears,30lb injectors,fuel pressure 15psi,high performance maf calibrated for those injectors . when the car is turned on, it sounds like it wants to turn off again.
[ August 23, 2004, 03:25 PM: Message edited by: -MSD12- ]
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LS WHAT
ORGANIZATION
VICTORIES:
GM INC,1 Sic formula(FRDEATR)
Posts: 422 | From: SAN JOSE | Registered: Aug 2004
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Fostang
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Member # 3752
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posted
quote:
Originally posted by -MSD12-:
its an 88gt with no stock gears,30lb injectors,fuel pressure 15psi,high performance maf???. when the car is turned on, it sounds like it wants to turn off again.
What???
no stock gears?
15 psi i'm surprised the thing even turns on that psi needs to be at like 38 with the vacuum disconnected.
a maf that is calibrated for 30's is required.....
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67' Fastback TT 408
67' Camaro Lsx
64' Corvette Fuelie
57' Chevy Bel Air Lsx
68’ Pony Convertible
66’ Pony Coupe
Posts: 3011 | From: Stockton/Danville | Registered: Nov 2003
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66 AC COBRA
Nitrous King
Member # 904
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posted
yeah the gears are gonna kill that car since it wants to be revved higher then stock
and yes, if the fuel pressure is actually at 15psi, then it is running so lean that it will almost not run
turn the fuel pressure to about 36psi without the vacuum line connected and go from there
where is the timing set at
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FFR AC Cobra
72 Vega - WCHRA Extreme 10.5
Posts: 6280 | From: Winters | Registered: Feb 2002
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1EVLSNKE
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Member # 4789
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posted
my car doesn't have a high performance fuel pump could that be it?????
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LS WHAT
ORGANIZATION
VICTORIES:
GM INC,1 Sic formula(FRDEATR)
Posts: 422 | From: SAN JOSE | Registered: Aug 2004
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