SBC 12 o clock 8" balancer on a 2 o clock timing cover

[wayne petty]

this seems to happen a bunch... i remember seeing a harmonic balancer page a few months ago... showed the offset of all the variations..

i have been searching for 2 hours and found this page  

http://www.chevytech.com/2c44o3.html

what i was looking for was the amount of offset the 84 and up 8" balancers have from the crank keyway..

the earlier ones are 10 degrees.. back to 1969

looking at the above link...   the 84 and up 8" balancers have a 30 degree offset...

i am working on this so i can just dial in some more advance on my timing light on the various cars i come across without having to degree in the mis matched balancer...

so if the 69 to 83 marks are 10 off and the 84 up are 30 off.. i should be able to just dial in 20 more degrees to my timing light and be able to set the timing...

what do you think? anybody else tried it...  i don't have any small block chevys handy right now...

[enjenjo]

back when I was racing, and we were using a lot of mis matched parts, we had a measurement for that, seems like it was 1 7/8" but I am not sure about that. We would just remark the balancer, and go.