surges
Thread Starter
Registered User
Joined: Jan 2002
Posts: 134
From: alden,ny
surges
my built! tpi motor surges at idle. what causes this? anyways to fix it.?
it will idle at 550-600 and then shoot to
1100!. then go back to 550 up and down up and down!.
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1987 IROC-Z
355ci, Dart 2.02x1.60, compete forged bottom end, SLP siamesed runners, fully ported Edelbrock manifold and plenum, 58mm TB, Accel 26lb Injectors, Edelbrock headers & y-pipe, Flowmaster 3" cat-back, Rebuilt 700r4, B&M Megashifter, Holley 255lph fuel pump, triple guage pod, !A/C & Heat, !Smog pump, bypassed TB, MJS Ram air, custom PROM, Lakewood control lower control arms, Lakewood adjustable pan hard, Sub-Frames, Hotchkis Strut tower brace, Adjustable Torque Arm, 150hp NOS
IROC Pix
it will idle at 550-600 and then shoot to
1100!. then go back to 550 up and down up and down!.
------------------
1987 IROC-Z
355ci, Dart 2.02x1.60, compete forged bottom end, SLP siamesed runners, fully ported Edelbrock manifold and plenum, 58mm TB, Accel 26lb Injectors, Edelbrock headers & y-pipe, Flowmaster 3" cat-back, Rebuilt 700r4, B&M Megashifter, Holley 255lph fuel pump, triple guage pod, !A/C & Heat, !Smog pump, bypassed TB, MJS Ram air, custom PROM, Lakewood control lower control arms, Lakewood adjustable pan hard, Sub-Frames, Hotchkis Strut tower brace, Adjustable Torque Arm, 150hp NOS
IROC Pix
Registered User
Joined: May 2000
Posts: 240
From: Manchester, IA
Double check your timing first. Make sure you unplug the computer also when you time it. Then if that doesnt fix it surch for a vacum leak, that can cause a rough idel and back firing (spelling sucks tonight sorry)
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