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Holbrook 78 11-13-2012 04:57 PM

sbc timing marks
 
I could b wrong but I thought chevy 350 cranks were the same except for the 2pc and 1pc design. the guy who assembled my truck said he got the crank out of a 90s era full size van and the keyway for the dampner is cut in a difrent spot so wen he put a older timing cover on it the timing marks r off (under waterpump), i dont have a timing light yet wating on wife to let me buy one but have anybody heard of this before?:confused:

hcompton 11-13-2012 05:22 PM

Yes balancer are different as well. I am not an expert on the part numbers sorry no real info to give.

That being said this is the coolest thing ever invented. I am also easily amused.
Proform Billet Aluminum Timing Tabs with Self-Powered LED Lights - SummitRacing.com

BOBCRMAN@aol.com 11-13-2012 06:26 PM

Crank keyways are all indexed the same. It's the balancer marks and cover timing marks that are different.

techinspector1 11-13-2012 11:02 PM

Quote:

Originally Posted by hcompton (Post 1610832)
That being said this is the coolest thing ever invented. I am also easily amused.
Proform Billet Aluminum Timing Tabs with Self-Powered LED Lights - SummitRacing.com

Technology marches on....:thumbup:

cobalt327 11-14-2012 12:22 AM

Quote:

Originally Posted by Holbrook 78 (Post 1610823)
I could b wrong but I thought chevy 350 cranks were the same except for the 2pc and 1pc design. the guy who assembled my truck said he got the crank out of a 90s era full size van and the keyway for the dampner is cut in a difrent spot so wen he put a older timing cover on it the timing marks r off (under waterpump), i dont have a timing light yet wating on wife to let me buy one but have anybody heard of this before?:confused:

It's not the crankshaft keyways that are different, but the different dampers and timing tabs can sure cause a headache. Here you go: SBC Timing tabs/Damper lines

Holbrook 78 11-14-2012 05:02 PM

thanks guys! i didnt know that i guess il b ordering a new balancer so i can finally time my truck
:welcome:


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