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SVTPerformance's Chain of Restaurants
Tuning À la carte
A9L foxbody tune help
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<blockquote data-quote="toomanytoys" data-source="post: 14039595" data-attributes="member: 112770"><p>I have a 88LX and need some help tracking down a problem. First off I have owned this car since Feb 91 and have done 99% of the work myself. The car started life as a fully loaded speed density with a auto.I have done some major work over the years and the mod list is:</p><p></p><p>stock block 331 stroker with a o-ringed block and ARP studs (balanced)</p><p>TFS Twisted wedge heads ported and polished with 1.72 roller rockers and Comp springs</p><p>Holley Systemax II intake with 75mm tb </p><p>E303 cam</p><p>Vortech S trim @ 14psi</p><p>Aeromotive a1000 fuel system and 55lb injectors</p><p>Pro-M maf with A9L conversion and MSD ignition</p><p>1 3/4 long tubes into full 3" exhaust with x pipe</p><p>manual trans conversion with a TKO 600 and Ram clutch and flywheel</p><p></p><p>When the car is cold it runs awesome however once warmed up it starts to break up when loaded (anything more than 1/3 throttle) and idles funny. If I shut the car off and try to restart, the car will not start unless I floor the gas pedal and then I get a huge black cloud when it finally starts. If I shut her down and let her sit for about 20 min everything goes back to normal until it warms up again.</p><p></p><p>I tried a new coil and cap and rotor but there was no change. The car does have a chip burned for the 55lb injectors so thats not it</p><p></p><p>Any ideas where to look or what to check? Distibutor maybe? New MSD? Engine harness?</p><p></p><p>Thanks for looking :beer:</p></blockquote><p></p>
[QUOTE="toomanytoys, post: 14039595, member: 112770"] I have a 88LX and need some help tracking down a problem. First off I have owned this car since Feb 91 and have done 99% of the work myself. The car started life as a fully loaded speed density with a auto.I have done some major work over the years and the mod list is: stock block 331 stroker with a o-ringed block and ARP studs (balanced) TFS Twisted wedge heads ported and polished with 1.72 roller rockers and Comp springs Holley Systemax II intake with 75mm tb E303 cam Vortech S trim @ 14psi Aeromotive a1000 fuel system and 55lb injectors Pro-M maf with A9L conversion and MSD ignition 1 3/4 long tubes into full 3" exhaust with x pipe manual trans conversion with a TKO 600 and Ram clutch and flywheel When the car is cold it runs awesome however once warmed up it starts to break up when loaded (anything more than 1/3 throttle) and idles funny. If I shut the car off and try to restart, the car will not start unless I floor the gas pedal and then I get a huge black cloud when it finally starts. If I shut her down and let her sit for about 20 min everything goes back to normal until it warms up again. I tried a new coil and cap and rotor but there was no change. The car does have a chip burned for the 55lb injectors so thats not it Any ideas where to look or what to check? Distibutor maybe? New MSD? Engine harness? Thanks for looking :beer: [/QUOTE]
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Tuning À la carte
A9L foxbody tune help
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