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Engine Specific Info and Questions => IDI Engine => Topic started by: Smokey Eddy on August 16, 2008, 03:24:37 pm

Title: TDC cam to crank
Post by: Smokey Eddy on August 16, 2008, 03:24:37 pm

I lost all my papers a while back and im missing just simple key info like lobe positions for TDC
i usually keep the pullys locked in position but i want to re-do the timing with the cam to the crank. I know to use the flywheel for the crank but where should the lobes be? Can the cam be 180 degrees out? or can i just lock the cam on the right hand side at either one of the 180 degree positions.
Thanks,
Ed.

Title: TDC cam to crank
Post by: Luckypabst on August 16, 2008, 03:38:18 pm

The slot at the flywheel end is offset so your cam lock will only fit with the cam at TDC #1.

Chris

Title: TDC cam to crank
Post by: Smokey Eddy on August 16, 2008, 03:39:33 pm

OHhhhhhhhhh!!! That's right!!! i remember now
Duhhhh im a moron
thanks mate

Title: Re: TDC cam to crank
Post by: jackbombay on August 16, 2008, 03:40:05 pm

Quote from: "Smokey Eddy"

but where should the lobes be?

  The lobes for #1 should both be "up" and you need to use a locking plate, you can't eyeball it.

Title: TDC cam to crank
Post by: Smokey Eddy on August 17, 2008, 11:47:46 am

i used a file :D
an easy way to think  of it that makes sense is that none of the valves are open.
Thanks guys,
Ed.