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who makes the alum BBC heads for merc?

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who makes the alum BBC heads for merc?

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Old 09-02-2024 | 09:34 AM
  #11  
sutphen 30
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From: taxachusetts
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Originally Posted by HPJunkie
do you know any more? rectangle I assume.
they are rectangular port
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Old 09-13-2024 | 07:04 AM
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From: babylon,NY 11702-4116
Default Heads
Does anybody port the intakes? Looks like they could use some help
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Old 09-13-2024 | 09:30 AM
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Originally Posted by tripps
Does anybody port the intakes? Looks like they could use some help
I did on a pair of 500 EFI's I built they were way off
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Old 09-13-2024 | 01:36 PM
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Originally Posted by tripps
Does anybody port the intakes? Looks like they could use some help
My original heads and intakes on my 525 efi's were port matched. There was quite a bit of work and epoxy used when they were done. Mark Boos did the dyno work on them and they were a bit over 650 hp when finished. I know of one boat that still has the same work done as mine did and had the same results on the Dyno at Mark's shop.
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