I had the same problem. After much grief and expense, I finally fixed it with a crank position sensor shim (new sensor did not solve the problem, but the extra .050 mm between then end of sensor and reluctor wheel preventing direct contact at high rpms and solved the problem). Give it a try...5...
this is really great...thank you. I just replaced the intake manifold gasket last Jan. with Fel-Pro - can I re-use when doing MPFI upgrade or do I need to replace? Thx.
I had the same problem. After much grief and expense, I finally fixed it with a crank position sensor shim (new sensor did not solve the problem, but the extra .050 mm between then end of sensor and reluctor wheel preventing direct contact at high rpms and solved the problem). Give it a try...5...