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TPI Tuned Port Injection discussion and questions. LB9 and L98 tech, porting, tuning, and bolt-on aftermarket products.

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Old 09-13-2009, 07:36 PM   #1
Junior Member
 
Join Date: Mar 2009
Location: Wilmington, DE
Posts: 99
Car: 87 IROC-Z
Engine: jasper 350
Transmission: 700R-4
Axle/Gears: 2.73 posi

Classifieds Rating: (0)
misfire at idle and while driving

Hi, i have a 87 iroc that originally had a blown up 305 LB9 motor in it so i never did test drive it before i did a 350 swap. So i got a 350 from jasper and installed that with a new 700r4 from GM. At this moment i replaced the injectors with 22lb design III from southbay injectors, 350 knock sensor, 350 electronic spark control module, and a new ECM. I am having trouble with a misfire at idle and i slight misfire while driving (you can barely feel it). What can i do to resolve my problem? This has been going on since i replaced the motor.
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1987 Camaro IROC-Z
Exterior
350/700R4
T-Tops
Flowmaster Exhaust
Smoked Tail Lights
180 Degree Thermostat
2055 Hooker Headers
Front Slotted Disk Brakes with HAWKS Pads

Interior
New Black carpet all around
Black Plastics all around
4th gen seats
Pioneer Headunit
Pioneer 4x6 speakers in dash
Kenwood 6x9 speakers in sail panels

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Old 09-15-2009, 09:00 AM   #2
Junior Member
 
Join Date: Mar 2009
Location: Wilmington, DE
Posts: 99
Car: 87 IROC-Z
Engine: jasper 350
Transmission: 700R-4
Axle/Gears: 2.73 posi

Classifieds Rating: (0)
Re: misfire at idle and while driving

anyone?
__________________


1987 Camaro IROC-Z
Exterior
350/700R4
T-Tops
Flowmaster Exhaust
Smoked Tail Lights
180 Degree Thermostat
2055 Hooker Headers
Front Slotted Disk Brakes with HAWKS Pads

Interior
New Black carpet all around
Black Plastics all around
4th gen seats
Pioneer Headunit
Pioneer 4x6 speakers in dash
Kenwood 6x9 speakers in sail panels

87SnowFlake is offline vBGarage Page   Reply With Quote
Old 09-15-2009, 09:00 AM
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1992 Camaro




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1986, 1987, 1989, camaro, driving, headers, hooker, idle, injectors, iroc, knocking, misfire, misfiring, resolve, southbay
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