Timing marks again
#2
I believe that’s for number 6. But don’t sweat it. Once it’s together just bump it over with the number 1 plug out and your finger in it. When it pushes your finger out it’s at tdc compression.
#3
Mark is correct. Chevy motors are on the compression stroke in no. 1 with the marks at 6-12. For Olds motors compression on no. 1 happens when the marks are at 12-12. As Mark points out, I don't understand why people worry so much about this. Put it together, check for compression in no. 1, and drop in the distributor. We spend more time talking about it than it takes to just do it.
#5
I believe the installation is same for Chevy as it is for Olds, You install the chain with the crank at at 12 and cam gear at 6. That puts the distributor pointing to #6. Rotate the crank one full turn and the crank is again at 12 and the cam is at 12. That puts the distributor at #1. The firing order for Olds is the same as Chevy.
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