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Panic Button

11-28-2004 10:44 AM

Fel Pro 1047 ??

I am build up my Dart block (Big M) with World heads, I picked up the head gaskets, FelPro 1047's and the instructions state to open up the 3 lower water passage holes 2-1/2" 1-5/8" on MK4's & HiPerf blocks, the "speed shop" where I bought them said not to open them up for marine use. What to do, open them up or not?

Thanks-

MrCIG

02-16-2005 09:03 PM

Re: Fel Pro 1047 ??

Anybody have any thought on this?

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