I had an old friend that used a lot of epoxy in the heads of his race car because he went overboard on the porting. He would have to fill the radiator/engine with water at the beginning of a race day, and immediately drain it when he was done racing because the epoxy really didn't hold up well. Long story short, I would NOT suggest epoxy.
Mopar sb heads
- Thread starter plymouth1937
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furrystump
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One of my heads had a casting flaw which created a water leak about 1/4” from the intake valve seat. I used Belzona Supermetal epoxy. It is very expensive, but I think it is made over there so it might be cheaper. $280/kilo. 8 years so far no issues knock on wood.
plymouth1937
Well-Known Member
Ok no epoxi i have weld it now and its ok but im using the 318 heads they are ported the seats are done valves to thanks for all the tips
i cut my 318 heads back in 72 , i took 20 thou off never measured compression after that , i was 15 with no money but that headers and an 850 TQ off a 440 sure helped , had no trouble keeping up with firechickens and camaros .
Good luck with your build hope it goes well
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