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Username Post: #1 top dead center        (Topic#353795)
hulsinc 
Contributor
Posts: 105

Loc: Illinois
Reg: 04-02-10
11-07-18 08:58 AM - Post#2750669    

Got a 66 396 in a 62 Biscayne with a after market timing tab. I question it's accuracy. Is there a way to find absolute top dead center of the #1 piston without the timing tab?



 




DCIMPALA 
"2nd Year" Silver Supporting Member
Posts: 86
DCIMPALA
Age: 68
Loc: N.J.
Reg: 10-25-17
11-07-18 11:21 AM - Post#2750678    
    In response to hulsinc

The best would be buy a piston stop, simply a threaded tool that threads into the spark plug hole, number one. Turn engine by hand and mark the balancer, turn other direction until stopped, mark balancer again, then measure center of both marks. That mark is then TDC. Then mark tab to match.



 
hulsinc 
Contributor
Posts: 105

Loc: Illinois
Reg: 04-02-10
11-08-18 10:21 AM - Post#2750773    
    In response to DCIMPALA

Thanks much! I'll see if I can find one and get at it.



 
DCIMPALA 
"2nd Year" Silver Supporting Member
Posts: 86
DCIMPALA
Age: 68
Loc: N.J.
Reg: 10-25-17
11-08-18 11:12 AM - Post#2750780    
    In response to hulsinc

  • hulsinc Said:
Thanks much! I'll see if I can find one and get at it.



Welcome. Autozone, etc. should have it. 14 mm thread like your spark plugs.



 




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