Sixty-some years ago, before our favorite four-wheel-drive vehicle earned the name Jeep, the Army’s 4WD ¼-ton scout vehicle was given the designation of “GP” for General Purpose vehicle. It was given this designation because the Army needed a small, agile vehicle that could do any job it was called upon to perform: carrying four soldiers, mounting a
You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re troubleshooting drivetrain vibration. Q: I have two questions about my truck. It’s a 1994 Chevy C1500 pickup with a 4.3L Vortec V6 engine. I purchased it from my uncle, who converted it from a manual transmission to a TH-700-R4
What grinds your gears? Is it prematurely worn or chipped teeth? Or an ominous clunking sound? These symptoms can be signs of a fairly serious problem with your ring and pinion gears, so it’s time to consult with the doctor—the gear doctor. In this case, the gear doctor is the Summit Racing technical department, which
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