We have a very nice pair of fully worked Brokix Track 1 heads. They have some epoxy at the pushrod pinch and we are running them on Sonoco race gas because of the epoxy. The epoxy is of an unknown brand but the heads have run for several seasons without a problem.
The question, how can we determine the type of epoxy and will it compatible with Methanol.
Now that may be a drawback to alcohol in your case.
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Posts: 4348 | Location: United States of Texas | Registered: April 02, 2011
larry i have not had any come out because i didnt try it,but everyone says the epoxy will come loose.if there is only a small amount of epoxy just remove it for the alky.
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Posts: 1474 | Location: texas | Registered: February 17, 2006
Not sure how it works in your situation. I have rebuilt deck surface on a blown alcohol engine with Marine tex and won the race. Ran block that way for 4 or 5 races and it will still then when repaired in off season. Again it was not really subject to alcohol contact like inside a port.
Can you sleeve the pinch area that is how our billet heads are done. Simply drill hole little bigger and have sleeve few thou smaller. Heck do like guides. Bake heads at 280 for 30 minutes. Remove and insert frozen sleeve. Prepare to live in shop for one week as wife is going to be pissed.LMAO
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I re did my 18 degree small block heads for that same reason ! I used the Splash Zone epoxy and that was 10 years ago and no problems at all ! The Splash Zone is water soluble so you can mix it and use rubber gloves and keep them wet with water ! you can use your finger to smooth it out and not even have to grind it ! Works great !
