vortec
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Strange idle issues with 4.8 (SOLVED)
Hello! I have a 2000 Silverado 1500 with the 4.8 that has 140,000 miles on the engine. It’s been acting strange recently. If I drive it for over an hour at highway speeds or for over 30 minutes in stop and go traffic, the engine will start to idle at 1,000 RPM. If I shut the engine off and then...- DarkNinjaSG
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- 4.8 high idle iac vortec
- Replies: 24
- Forum: Engine & Performance
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99 Vortec Max
Newbie here on the GMT 800 forum. Looking at purchasing a 99 GMC sierra, 2500 with a 6.0 liter vortec max. I've looked around the web for a while to try and find some specifications on it but have not had any success. Does any one have or know of a place to go to see what the horsepower / torque...- jstammer41
- Thread
- max vortec
- Replies: 2
- Forum: Engine & Performance
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My 2004 GMC Sierra
Hey everyone.... I'm from stony plain, near edmonton. BERTA! I bought my truck in July of 2013 as a replacement for my car which was rear ended in May 2013. I love working on it and I love to help anyone out with any problems they might have with their similar trucks. I enjoy installing minor...- burgundybeast04
- Thread
- 2004 5.3 gmc sierra vortec
- Replies: 206
- Forum: Under Construction
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