Re: Re: about to give up - - -engine

Posted by Doc on May 23, 2001 at 23:12:24 from (216.177.136.153):

In Reply to: Re: about to give up - - -engine posted by Haas on May 22, 2001 at 16:25:06:

I have a little different method of setting valves rather than TDC for the benchmark. I have used this on racing engines for years. The cam profiles are different between a race motor and a tractor, but it is an accurate method which allows for the opening and closing ramps of the cam and the valve is set at the base circle of the cam.
I..Intake
C..Closing
E..set Exhaust
rotate engine, watch no. 1 cylider valves, when intake valve is closing set exhaust valve. Rotate engine 1/2 turn (for a 4 cylinder in this case) and set next cylinder in firing order and keep rotating engine 1/2 turn setting valves in the firing order until all 4 exhaust are set.
E..Exhaust
O..Opening
I..set Intake
again rotate engine, watch no. 1 cylinder valves, when the exhaust valve is opening set the intake valve. Rotate engine 1/2 turn ste next valve in firing order, and so on as above. I hope I made this sound as simple as it is. Doc

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