Fuel pump

F400 · Apr 22, 2009

On a 264 running 2600 rpm for 30 seconds or so with a bored out carb,is gravity enough or should I look at a fuel pump.It seems like its starving for gas,on bottom end. All lines,bowel,tank and carb is clean.Turned off Im getting over a pint in 30 seconds out of bottom of carb.

Thanks

ScottyHOMeY · Apr 22, 2009

A pint in 30 seconds translates to a rate of 15 gallons per hour, more than sufficient I should think! I'd be looking at the float in the carb if she's starving, or a vacuum leak.

Janicholson · Apr 22, 2009

Seems marginal to me.
With the bowl, float and nedle removed what is the flow out of the seat. If the same, I would look to larger diameter tank supply fittings, lines and shutoff valve. A modified (larger seat and needle might also work.) JimN

F400 · Apr 22, 2009

The seat and needle is modified.

F400 · Apr 22, 2009

Thats a great idea vacuum or float.It does not frost up as much as it use to.

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Fuel pump

F400

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ScottyHOMeY

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Janicholson

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F400

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F400

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