I have a ‘68 Corvette with a 383 stroker and the Holley Sniper EFI. If I let it get warm and drive aggressively the throttle will stick when I let off the gas and the idle will hover between about 1900 and 2200. Even blipping the throttle wont fix it. I have to shut the car off and restart it and it usually fixes it momentarily until I start driving again. One thing I noticed is that the car will ‘diesel’ when I try to shut it off with the high RPM. I've done the extra wind on the spring for the secondaries and the recentering of the throttle blades, but nothing helped. What else is there?
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Sniper throttle sticks at 2000 RPM
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See Note # 5: http://forums.holley.com/showthread....neral-IAC-Info (General IAC Information - Read "IAC NOTES")May God's grace bless you in the Lord Jesus Christ.
'92 Ford Mustang GT: 385"/6.3L SBF, Dart SHP 8.2 block, forged steel crankshaft & H-beam rods, forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration/.623" lift/114° LSA camshaft, TFS R-Series FTI Comp Ported intake, BBK 80mm throttle body, Holley Dominator MPFI & DIS, Holley 36-1 crank trigger, MSD 1x cam sync, PA PMGR starter, PA 200A 3G alternator, Optima 34/78 Red battery, 100HP progressive dry direct-port NOS, R134a A/C, Spal Dual 12" HP 3168 CFM fans, Frostbite 3-core aluminum radiator, Pypes dual 2.5" exhaust, off-road X-pipe, shorty headers, Earl's -6AN fuel system plumbing, Walbro 255 LPH in-tank pump & Pro-M -6AN hanger, S&W subframe connectors, BMR upper & lower torque box reinforcements, LenTech Strip Terminator wide-ratio Ford AOD, 10" 3000 RPM C6 billet converter, B&M Hammer shifter, Stifflers transmission crossmember & driveshaft safety loop, FPP aluminum driveshaft, FPP 3.31 gears, Cobra Trac-Lok differential, Moser 31 spline axles, '04 Cobra 4-disc brakes, '93 Cobra booster & M/C, 5-lug Bullitt wheels & 245/45R17 M/T Street Comp tires.
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