Join Date: May 2007
Location: Bloomington, IL
iTrader: 0 reviews
Head gasket...most likely...
If your valves are set too tight they will not close all the way and you will have no compression. For a hydraulic cam, set the valves 1/4 to 1/2 turn past zero lash (when you can no longer freely spin the pushrods with your fingers). Adjust the intake valve when the exhaust valve is just starting to open. Adjust the exhaust valve when the intake valve is closing. This will assure that you are on the base circle of the cam when you are adjusting.
If you have pedestal mount rockers, you will need to use shims to get them set correctly, same 1/4 to 1/2 turn, but if it is more than that, put a shim under the rocker and try again until you get it right.
88 GT CHI headed 351w 10.8 @ 125 - still figuring it out.
03 Cobra 2.3 whipple 10.7 @ 129 - sold it
04 Mach 1 12.7 @ 109 mostly stock - sold it
89 LX procharged 302 515 hp 497 ftlbs 10.7 @130 mph - sold it