Quote:
Originally Posted by TedRamAirII
Has anyone ever checked the cam timing after 1K, 5K or 10K? I wonder if it changed much? Depends on the quality of the chain. My theory is to advance it 2 degrees, to allow for stretch and break in. Am I wrong?
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I would set it where it should be and just check it every so often. Then you can keep an eye on what it's doing. When were at the track, that's the first thing we do before our first run, check timing. On the street, couple of times in the summer. I find the timing bounces around a bit on the balancer with a stand alone distributor. With the use of a crank trigger timing is solid on the balancer when checking.
Seeing this is the street section, you maybe running a vacuum advance to add timing at cruise. So you have Initial, Mechanical, and Vacuum advance. I wouldn't worry much about 2* as I would make sure you timing is working properly through your driving season.
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68 Firebird. IA2 block, 505 cu in, E-head, Solid roller 3650 weight. Reid TH400 4:11 gear. 29" slick.
Best so far 10.12@133 mph. 1.43 60 ft.
76 Trans am, TKX .81 o/d, 3.73 Moser rearend,
468 with KRE D-ports, Doug headers, 3" Exh.
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