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mark VI heads swapped for mark IV heads

908 views 1 reply 1 participant last post by  patrick daniel 
#1 ·
I have a 1996 mark VI ,454,with fuel boss, without roller cam,
and it has the small oval port heads ( peanut ports)
can I change to early style Mark IV large oval port heads???
Thanks
Patrick
 
#2 ·
welllllllll
I have checked into this problem and the reason I ask , is because of what i read on a GM page about the mark V not being the same as the mark VI with respect to the water passages.
i read something saying that starting with the mark VI we can swap markIV, markV, or mark VI heads , because they redesigned the water passages on the blocks.
hello?
I am the only person responding to my question.
Is this how this works?
Is this a sounding board?
am I talking to myself?
yes you are!
how are we doing ? Fine . thanks!
HEEEEEEELLLLPPPPPP! me please!
Thanks
Patrick and Patrick
 
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