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Search took 0.00 seconds. Search: Posts Made By: bbrocksr
Forum: Early V8 (1932-53) 10-25-2020, 04:37 PM
Replies: 47
Views: 7,657
Posted By bbrocksr
Re: Finally some Cam Degree Numbers - Now what?

Russ, In your numbers you say the exhaust closes at 9* ATDC, the 77B is supposed to close at 19* ATDC. That's 10* early, If you closed up the lash what would it close at?
Bill
Forum: Early V8 (1932-53) 10-24-2020, 02:04 PM
Replies: 47
Views: 7,657
Posted By bbrocksr
Re: Finally some Cam Degree Numbers - Now what?

Russ ' It's a lot more practical than retarding a cam when you don't know where it's at! You don't know for sure that it is a cam timing problem.
You should find out where you're at before you start...
Forum: Early V8 (1932-53) 10-24-2020, 01:54 PM
Replies: 47
Views: 7,657
Posted By bbrocksr
Re: Finally some Cam Degree Numbers - Now what?

You should find out where you're at before you start retarding the cam.
Better verify the cam is timed wrong before you change it.
Bill
Forum: Early V8 (1932-53) 10-24-2020, 01:15 AM
Replies: 47
Views: 7,657
Posted By bbrocksr
Re: Finally some Cam Degree Numbers - Now what?

Russ, A 77B intake opens 19* btdc exhaust closes 19* atdc for a total of 38* overlap. So as Ron says if you split the overlap you're at tdc. Probably the best way to check valve opening and closing...
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