Lifting a head out. Made a fixture that holds the head at the correct angle.
Measuring a lifter all the way collapsed to see what the travel really is.
Measuring a lifter at full extension. The lifters have a range of .220. The preload is .050 less than full extension with the stems ground to .032 less than standard. These heads have been milled .040 and the difference after the Felpro gasket I guessed at .020. The rocker ratio is 1.6 so 1.6 x .020 is .032.
Working in the hole.
While the the intake was off it was a good time to thread a hole for the Inlet Air Temperature sensor. Forgot to do that before. The injector bungs are plugged while I'm still running the carburetor. Megasquirt injection is next.
Lifting a head out. Made a fixture that holds the head at the correct angle.
Measuring a lifter all the way collapsed to see what the travel really is.
Measuring a lifter at full extension. The lifters have a range of .220. The preload is .050 less than full extension with the stems ground to .032 less than standard. These heads have been milled .040 and the difference after the Felpro gasket I guessed at .020. The rocker ratio is 1.6 so 1.6 x .020 is .032.
Working in the hole.
While the the intake was off it was a good time to thread a hole for the Inlet Air Temperature sensor. Forgot to do that before. The injector bungs are plugged while I'm still running the carburetor. Megasquirt injection is next.
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