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Originally Posted by KeithQNguyen
And this is a fact that's been proven now? I had a BHG but honestly I think it's not preventable. From 150-250 you're bound for it. I'm on top of my maintenance more then anyone I’ve ever known, but it still happened to me. I saw the crack and got it fixed the next day. I changed all of my hoses at my 180k tune up (which was done at 175) The car was dealer serviced from day 1 - 112k and from 112-180k it's been in my mech. hands. So if you're telling me 68k of other type of coolant ate my HGs, I say BS... --=Keith
Any way, if the heads are tqed at 56lbs, is it still more likely to blow again?
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Overtorquing head bolts can be just as bad as undertorquing. The steel bolts (or studs) will pull up where they fasten into the block, and this will distort the block. Translation, your deck surface will not be flat, and a possible outcome is, you guessed it: a BHG! The concensus of opinion seems to be that 56 lbs is a bit low, and that 60 would be better.
As for the coolant question, I think the price difference between Honda coolant and other brands is not enough make it worthwhile to run a risk of damage.