[SIZE=2]According to the Haynes manual both intake and exhaust lobes have to be up when I am at 25 degrees BTDC.in order to set the injector pump. I am at TDC on #1 compression stroke, the cam timing mark is right on and my intake lobe is touching the rocker arm and the exhaust lobe is just past the rocker arm. When I move the balancer back to 25 degrees the intake lobe is barley off the rocker arm. If I were to configure the cam lobes to the up position I would be 180 out. It seems to me, something is just not right! If I am wrong can anyone tell me the proper proceedures. Thanks. Stressed in So. Cal.

Jfc697077

I forgot. 1977, 123,617.912 300D.

Sounds like TDC on the exhaust stroke.

You never turn the engine backwards any amount for any reason.........you have to rotate it forward to the oint it needs to be which means a smidgen shy of 2 more revolutions if you overshoot your mark.

it should be on the stroke where the lobe is just coming off the intake valve.

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James,

Because the crankshaft rotates twice for one rotation of the cam shaft, you can be TDC at the beginning of the power stroke or TDC at the beginning of the intake stroke when the timing mark it at TDC.

So it sounds like you were at TDC of the beginning of the intake stroke or 360* (crankshaft) off for timing the IP. When both cam lobes are up you are at beginning of the power stroke.

Never turn the engine backward.

P E H

yes, I agree. the intake lobe will be past and all the way off the rocker, but not pointing all the way up either. It's easy to get confused on this.

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