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Older Chevy and GMC C/K Series (20+ years) General Discussion

29 messages,  Last post on Jun 09, 2009 at 8:02 AM

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What is this discussion about? GMC Sierra 3500, Truck

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#26 of 29 by cumminsdiesel Jan 15, 2009 (12:48 pm)
Cindy:   If I were you, I would have bought the truck. The small things (rust, etc) can easily be fixed, and yes, it is correct - technically this truck already is a classic. I am personally considering a K5 Blazer.
#27 of 29 1990 Silverado Radiator Oil Cooler Hose Fittings by hotrudderedbum Mar 16, 2009 (5:22 pm)
The truck is a 5.7L 2WD with only 137K on it and I hope to keep it forever.   I recently disconnected and bypassed the oil cooler hoses from the radiator while troubleshooting a curious high oil pressure indication. When I went to reconnect the hoses I found the lower fitting on the radiator stripped (the rad was replaced several years ago, too late to raise a warranty issue).   The nut that threads into the radiator is fine.   My question is...Is the female thread in the radiator an insert, sort of like a helicoil, or is the thread milled into the radiator body?   I'd really prefer to not have to put in another new radiator.   Any ideas?   Thanks!
#28 of 29 1986 Chevrolet truck, 350 engine - Acceleration Dead Spot by warren73078 Jun 09, 2009 (8:02 am)
#29 of 29 1986 Chevrolet truck, 350 engine - Acceleration Dead Spot by warren73078 Jun 09, 2009 (8:02 am)
1986 Chevrolet truck, 350 engine, ¾ ton, 4 speed manual – bought the truck recently, after replacing carburetor, distributor, cap, rotor, wires, vacuum hoses, radiator, thermostat, also pulled emission controls off. I hauled a 27’ 5th wheel to the lake (80 miles), no problems and ran and pulled good, on the way back it developed a dead spot in acceleration between acceleration and de-acceleration. The exhaust smells gaseous. Checked all the vacuum hoses, connections, etc., adjusted timing. What now?   Warren

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