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98 12 Valve not going over 800 RPM
Old 08-11-2008, 04:44 AM   #1 (permalink)
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Join Date: Jun 2008
Posts: 11
98 12 Valve not going over 800 RPM

Want to buy my buddies 98 five speed but now has problem. Two weeks ago he had the dowel pin blow out and break the housing case, but engine still ran and got him home with no problems besides oil leaking out and making a mess. He lost about 2 or 3 quarts. He purchased all the new parts, about 500.00 and took it apart. He did marked all the gears and put it back the same way it came apart. Now comes the funky part. When he installed the rockers back on he just torqued to the specs but never checked the adjustment of the intakes and exhaust. He told me that everything was marked and put back in the exact same place. The truck now starts but runs pretty rough and will not go over 800 RPM. The question I have here is that if the valves are not adjusted properly would this cause the engine to run crappy and not go over 800 or 900 RPM? The truck is a distance from me and I would go down there and tinker around with it if I felt confident that the adjustment is way off on the intakes and exhaust valves. My buddy is so fustrated that he will not work on it. Input would be appreciated.
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