GMC C3500 ENGINE

Well To Start With The Truck Had Issues With Misfiring And Backfiring Through The Carburetor, Replaced The Distributor Cap & Rotor...

I Have A 79 Gmc C3500 With A 454. The Truck Is Overheating And I Cant Figure Out Why. I Just Replaced The Radiator With A New 4 Row, Burped...

1998 Gmc 3500 Mileage: 50,000. I Am Having A Pinging Problem While Driving Down The Highway At 55 To 60 Mph, Flat Road And Sometimes When I...

I Have 83 Gmc Step Van Like Fed Ex. Its 3500. It Was Running Fine. I Changed Oil, Oil & Oil Filter, Air Filter, Gear Oil, Spark Plugs...

Still Love My Old Dog Dually Gmc. I'm Not A Diesel Man, So I'm Keeping My 96 7.4l Vortec. I Pull A 13k Trailer With It, And Lately When I'...

I Just Got A Gmc 3500 It Runs Fine At Low Rpms But When I Get In To The Throttle It Starts To Knock Then Sputter. I Adjusted The Valves And...

I Have A 2001 Gmc 3500 Crew Cab Utility Truck With The 6.0 Engine. Dual Tanks . Truck Started To Hesitate While Driving One Day Couldnt Get...

Engine Performance Problem 2006 Gmc C3500 V8 Two Wheel Drive Automatic 11 000 Miles Is There Any Way To Change The Tune Of A Vehicle...

My Gmc Truck Runs A Little Rough When Cold, But Better When It's Warmed Up. It Will Seem To Jump A Little After It Warms Up At Highway...

I Have A 90 Gmc Dump With A 454 Motor. One Day I Was Driveing And It Started To Spit And Spudder And Back Fire. I Used My Scan Tool And...