Bugeye Posted July 31, 2008 Report Share Posted July 31, 2008 I adjust my valves today, man were the intakes waaaaaay off, I set the intakes at 20mm and the exhaust at 25mm like the book said, when I rotated the engine for #1 tdc I also watched to make sure the rotor was at number one position, I followed the firing order when I did this 1-3-4-2, now since I adjusted the valves the truck wont idle, and it back fires like crazy, what the hell did I do wrong? the truck is a 79 l20b Quote Link to comment
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