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Hard Blok water jacket filler

7174 Views 10 Replies 8 Participants Last post by  icanfixall
I am slowly piecing my 7.3 back together from a scored rear cylinder, that dumped diesel into my oil, so far I have a fresh .020 block and a turbo reciprocating assembly, that I still have to massage and assemble, I wonder if I fill the coolant passages half way with Hard Blok filler after I done the boring and honing, will it be an issue? Why did I wait till now to think of this???:icon_rolleyes:
always happens this way. since these engines are a little thin I don't see any problems doing this. anyone else thought of this? also anyone have a good set of bare casting heads?
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You would be losing a lot of cooling capacity. Hard blok is good for short runs, i.e. pulling or drag racing, but for going down the road, I think it would just lead to problems.
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