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572 talldeck fit ment in older icbm

Old 01-01-2013, 12:18 PM
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Default 572 talldeck fit ment in older icbm

well just got my new pfaff motors . they now are talldeck blocks with cmi headers anyone have an idea if i might have a clearence prob . pfaff was told what they were going in , any insight . side by side application .
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Old 01-01-2013, 12:46 PM
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rob,when i went from a std deck to a tall deck i had to open the exhaust holes just a touch,not a big deal.i also had cmi headers.
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Old 01-01-2013, 12:57 PM
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Originally Posted by mike tkach
rob,when i went from a std deck to a tall deck i had to open the exhaust holes just a touch,not a big deal.i also had cmi headers.
great . how much wider is a tall deck , 1/4 inch i just got done looking at my old motors in boat and have at least 1.5 to 2 inces between manifolds ?
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Old 01-01-2013, 05:35 PM
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Rob, youll probably find that you will need to do what Mike did, if your tails run all the way thru the transom.
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Old 01-01-2013, 06:56 PM
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Originally Posted by ROB FREEMAN
great . how much wider is a tall deck , 1/4 inch i just got done looking at my old motors in boat and have at least 1.5 to 2 inces between manifolds ?
standard deck on the ole engines are 9.800..tall deck is 10.200 all the way up to 11.100+ depending on the mfr..so it could vary depending on what your deck height is..
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Old 01-02-2013, 07:44 AM
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rob,whats the center to center distant between your drives?my distant between my drives on my 10meter is 33"which is tight.i had to have spical manafold made to fit.
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Old 01-03-2013, 08:41 AM
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Check your center to center measurement. Fitment will depend on a few things. The specific cylinder head you are running will have a big effect. Most aftermarket heads have raised exhaust ports. Most are in the .400-.600 area. The exhaust itself will also effect it. I can tell you this much. A pair of tall decks, with .600 raised port heads and E tops needs at least 34" center to center to fit side by side.
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Old 01-04-2013, 05:47 AM
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dart pro one heads .e tops .headers . pfaff says hell get custom inside headers if need be
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Old 01-04-2013, 11:09 AM
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Do you know the engine center to center?
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Old 01-04-2013, 12:28 PM
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Rob,
AlsolLook at this thread, I think 88 bullet put tall decks in, tight fit.

http://www.offshoreonly.com/forums/f...e-restore.html
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Last edited by Wildman_grafix; 01-04-2013 at 12:30 PM.
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