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78 Nautique Carburetor |
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Eric Harrell 
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Joined: September-09-2016 Location: Alabama Status: Offline Points: 21 |
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 Topic: 78 Nautique CarburetorPosted: June-18-2017 at 2:24pm |
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I have a 78 Nautique, with a 351W..Holley carbcfm450
What do most of you guys have as far as cfm? |
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Easyyelp
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KENO
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Joined: June-06-2004 Location: United States Status: Offline Points: 10637 |
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Posted: June-18-2017 at 2:41pm |
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Most any 351W in a carburetor equipped Ski Nautique came with a 600 cfm Holley.
There were some 2 barrel Holley's on Mercruiser 233 HP 351's etc. So a 351 can run OK with a 450 cfm carb. What's your list number on the carburetor? |
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Eric Harrell
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Joined: September-09-2016 Location: Alabama Status: Offline Points: 21 |
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Posted: June-18-2017 at 2:44pm |
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7159
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Easyyelp
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KENO
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Posted: June-18-2017 at 2:50pm |
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Yep.... it's a 450 cfm marine carb
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8122pbrainard
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Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41040 |
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Posted: June-18-2017 at 2:53pm |
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Eric,
Who's the marinizer of the engine? |
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Eric Harrell
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Joined: September-09-2016 Location: Alabama Status: Offline Points: 21 |
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Posted: June-18-2017 at 3:00pm |
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New Motor and trans installed in 1994...been in a barn since 1998.. marinizer?...its a pleasure craft motor....i would show pic..trying to figure out how the forums work..i am new to this page..sorry
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Easyyelp
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GottaSki
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Joined: April-21-2005 Location: NE CT Status: Offline Points: 3327 |
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Posted: June-18-2017 at 10:02pm |
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You'll be into the secondaries earlier then one would with a 600cfm, I suspect making precise adjustments 34-36 mph much trickier, less responsive, with a little time delay from the secondary diaphragm.
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"There is nothing, absolutely nothing, half so much worthwhile as messing around with boats...simply messing."
River Rat to Mole |
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samudj01
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Joined: March-10-2009 Location: NC Status: Offline Points: 931 |
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Posted: June-18-2017 at 10:28pm |
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Eric, sent you an email. If you look to sell your 450 cfm Holley, I'd be interested in it...or possibly a trade for our Edelbrock 600
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78 Ski Tique, 72 Skier w/302's, 93 SN w/351 & 17 GS22 w/zr409
Previous - 99 Sport Nautique w/GT40 and 87 Martinique w/351 |
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