What's the firing order? I really really need to get a manual. That's really cool. the tollerance is so tight that the valve can't be lost if the piston is TDC. Cool! What's the best brand of spring in your oppinion?
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93 W250, 5.9L cummins, Auto, 4WD. K&N Air Filter and a strait pipe. Injector Pump tweaked. Timing bumped up 1/8". Home made propane injection and a little bit of grindage on the fuel delivery pin!
