Boat engine carb convert to drag engine

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Boat engine carb convert to drag engine Empty Boat engine carb convert to drag engine

Post  pigs521bbf on May 10th 2019, 10:35 pm

I have picked up a 1150 cfm Holley dominator that was on boat engine. What do I need to do to make it work on my drag racing engine?

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Boat engine carb convert to drag engine Empty Re: Boat engine carb convert to drag engine

Post  rmcomprandy on May 10th 2019, 11:49 pm

pigs521bbf wrote:I have picked up a 1150 cfm Holley dominator that was on boat engine. What do I need to do to make it work on my drag racing engine?

IF it is an actual Marine carburetor then change the vent tubes.

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Boat engine carb convert to drag engine Empty Re: Boat engine carb convert to drag engine

Post  pigs521bbf on May 11th 2019, 4:32 pm

Is that it? Nothing to change internally ?

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Boat engine carb convert to drag engine Empty Re: Boat engine carb convert to drag engine

Post  dfree383 on May 11th 2019, 7:58 pm

It will just need tuned to your combo
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Boat engine carb convert to drag engine Empty Re: Boat engine carb convert to drag engine

Post  pigs521bbf on May 15th 2019, 7:13 pm

Looking to make the carb is 1150, but there is no model number or date number.
On the base says 12R-11259-3B. I just want to know the “true” cfm

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Boat engine carb convert to drag engine Empty Re: Boat engine carb convert to drag engine

Post  rmcomprandy on May 15th 2019, 11:55 pm

pigs521bbf wrote:Looking to make the carb is 1150, but there is no model number or date number.
On the base says 12R-11259-3B. I just want to know the “true” cfm

With a 1050 the Venturi are 1.690" and with an 1150 the Venturi are 1.812" ... the throttle bores are the same size.

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