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Originally posted by slow84lx
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My guess.
320rwhp. 7.67 @ 90mph 1.7 60'
DD: 2004 GMC Sierra VHO 6.0 LQ9 324whp 350wtrq -
Yea I was thinking the same thing. Dan thing don't want to run unless it has 55 to 60 pounds of fuel sounds sickComment
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Get the thing to tdc and pull the valve cover and see if the valves are both closed. Or pull the front cover and see if the marks on the gears are lining up. Some thing pretty wrong. How many miles on that engine? Did you put a little squirt (not more than a tea spoon) into the cylinder before the pressure test? Could be bad rings, but on ALL the cylinders? And as suggested above a leakdown is a good idea too.Rich
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open the throttle when you turn the engine over...........pinto gt with wood trimComment
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Ok I have done a leak down test and a full compression test all passed. I bumped it over 5 times and got my lowest lbs was 137 and the highest was about 150. So that means no bent valve or burnt rings and etc. but still can't get it to stop popping thru the intake... I'm lost on this anyone wanna give me a hand. I will pay you for your time... ThanksComment
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what was the percentage of leak? My shop is in garland if you want to bring it buy.Comment
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