Correct exhaust manifold bolts

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**John** · #1 12-11-2014, 04:10 AM

... Which are the correct exhaust manifold bolts for a 1969 copo 427 motor?

... I noticed their are a few different types .... "BY" ... some with an "O" [img]<<GRAEMLIN_URL>>/dunno.gif[/img]

m22mike · #2 12-11-2014, 12:18 PM

Might want to look at this. L78 and L72 would be the same

https://www.yenko.net/ubbthreads/ubbt...opics/588081/1

**John** · #3 12-12-2014, 01:13 PM

.... Thanks [img]<<GRAEMLIN_URL>>/beers.gif[/img]

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