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Tx Firefighter · 08-15-2003, 09:18 AM

You're on the right track, with the balancer and freeze plugs.

I read in Hot Rod awhile back that there had only been a very few 400 SB found that didn't have 3 freeze plugs on the side of the block. That's the safest bet is to count the plugs.

08-15-2003, 09:18 AM	#2
Tx Firefighter Watch out for your cornhole ! Join Date: Jun 2003 Location: Azle, Texas Posts: 14,162	You're on the right track, with the balancer and freeze plugs. I read in Hot Rod awhile back that there had only been a very few 400 SB found that didn't have 3 freeze plugs on the side of the block. That's the safest bet is to count the plugs. __________________ I'm on the Instagram- @Gearhead_Kevin