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My red line is... 3k?
I don't necessarily care how high it revs. I'm just confused on why it won't rev high. The speed at WOT in 4th gear is about 75-80. It did 80 one time going down hill. Usually stops accelerating about 75-77 mph. The tires are the original sized tires. Its got 4.10 gears. It will exceed the 3k...- DakotasGMC
- Post #6
- Forum: Engine & Performance
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My red line is... 3k?
So I've owned my truck, a 1973 GMC 3500 with the original low mileage 350 in it, for a couple years now. I have always babied the truck for the most part, but was really surprised to find out my truck won't rev past 3,000 RPMs. I installed the new Tach yesterday, took it for a drive, and the...- DakotasGMC
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- Replies: 10
- Forum: Engine & Performance
