Car - AE86

motor - 7AGE

use - skids

problem - cam timing

occurs/started when - today

personal situation - elite

Hi guys,

I'm currently working on a friends' 7AGE motor, we're up to doing cam timing.

I worked out 'true' TDC with a dial indicator and a degree wheel, but i can't seem to find the correct formula for working out the cams lobe centre (they are just standard cams, so should be 110deg)

I've been using this example (and others) but none seem to get anywhere right:

I've set the cams ROUGHLY in their correct positions, but i'm getting results like 150 degrees... I'm using the "valve opening and closing at 0.050" lift"

Can anyone tell me the right way to do this?

Thanks