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Rear gear question

I've got a 99 obs k1500 suburban 350 l31/4l60e g80 with 3.73's front and rear. I recently upgraded to 18" wheels and 32" bfg at ko tires. They are load range e. Anyways when I went to the bfg's I definitely lost some bottom end. I want to put gears in my truck. Front and rear. I'm wanting...
- Slimpickens
- Thread
- Mar 1, 2016
- Replies: 7
- Forum: Axles + Brakes
97 5.0 vortec backfiring through exhaust

Well I'm trying to help a buddy out. His truck just started running like crap. Popping and backfiring through the exhaust. New dizzy 4 months old New cap. 4 months old New rotor 4 months old New plugs and wires 4 months New crank sensor 3 months Fuel psi 60lbs 55lbs running Inspected spider and...
- Slimpickens
- Thread
- Feb 23, 2016
- Replies: 6
- Forum: Engine Performance + Maintenance
97 5.0 vortec backfiring through exhaust

Well I'm trying to help a buddy out. His truck just started running like crap. Popping and backfiring through the exhaust. New dizzy 4 months old New cap. 4 months old New rotor 4 months old New plugs and wires 4 months New crank sensor 3 months Fuel psi 60lbs 55lbs running Inspected spider...
- Slimpickens
- Thread
- Feb 23, 2016
- Replies: 4
- Forum: The Garage