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Fuel Pressure Reg and Gauge #2884031
02/04/21 02:44 PM
02/04/21 02:44 PM
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Florida
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CHRGR69 Offline OP
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CHRGR69  Offline OP
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Want to install one on my 440 with an Eddy 4bbl. Best combo/brand?


Grandma always said I had "hands of gold"!
Re: Fuel Pressure Reg and Gauge [Re: CHRGR69] #2884081
02/04/21 05:27 PM
02/04/21 05:27 PM
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s. e. pa.
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calrobb2000 Offline
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calrobb2000  Offline
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hi
\ race car or street car ?

i use the electric stewart warner for street / strip cars .

what fuel pump do you have ?

Re: Fuel Pressure Reg and Gauge [Re: CHRGR69] #2884115
02/04/21 07:04 PM
02/04/21 07:04 PM
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Florida
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CHRGR69 Offline OP
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CHRGR69  Offline OP
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Florida
Originally Posted by CHRGR69
Want to install one on my 440 with an Eddy 4bbl. Best combo/brand?


Street only. I'm going to use a Carter M6903 pump and I've heard they do sometimes put out more than 7 psi. I use Rec90 non ethanol fuel.

Last edited by CHRGR69; 02/04/21 07:04 PM.

Grandma always said I had "hands of gold"!
Re: Fuel Pressure Reg and Gauge [Re: CHRGR69] #2884145
02/04/21 09:11 PM
02/04/21 09:11 PM
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UPPER MICHIGAN, MARQUETTE COUN...
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NITROUSN Offline
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UPPER MICHIGAN, MARQUETTE COUN...
I doubt you will need a gauge with that pump The other carter M4862 will put out more pressure and may need a regulator. I have the one you are buying and it is about 6-7 psi.

Re: Fuel Pressure Reg and Gauge [Re: CHRGR69] #2884147
02/04/21 09:18 PM
02/04/21 09:18 PM
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Omaha Ne
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TJP Offline
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Omaha Ne
95% of the ones mounted to the motor fail. Also Be aware that it is not recommended to install one in the interior compartment. Any track will bounce you out at tech.
I normally drill and tap a Tee fitting for 1/8th NPT. I then use a known good dedicated 0- 10 or 15 PSI gauge installed temporarily to check / adjust as required. IF needed to check at WOT I'll either mount it to the cowl vent using rubber or vinyl to prevent paint damage. After testing I remove the gauge and line. Then plug the tapped port. twocents beer

Re: Fuel Pressure Reg and Gauge [Re: NITROUSN] #2884149
02/04/21 09:20 PM
02/04/21 09:20 PM
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Omaha Ne
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TJP Offline
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Originally Posted by NITROUSN
I doubt you will need a gauge with that pump The other carter M4862 will put out more pressure and may need a regulator. I have the one you are buying and it is about 6-7 psi.


Based on my testing of several of them iagree

Re: Fuel Pressure Reg and Gauge [Re: CHRGR69] #2884212
02/05/21 05:58 AM
02/05/21 05:58 AM
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s. e. pa.
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calrobb2000 Offline
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good pump choice

the electric gauge CAN be installed inside car, that is why i use the electric one .

do not install a macanical one inside the car !

should not need a regulator with that pump

Last edited by calrobb2000; 02/05/21 05:59 AM.
Re: Fuel Pressure Reg and Gauge [Re: calrobb2000] #2884269
02/05/21 10:45 AM
02/05/21 10:45 AM
Joined: Oct 2004
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Connecticut
FurryStump Offline
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FurryStump  Offline
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Connecticut
No liquid filled gauges, when they heat up the pressure reading goes crazy. My car ran for ten mins with the gauge going from 0 to 8 lbs. No change in idle. Drained the liquid out rock steady at 6 lbs. What carb? Carter/eddy are pretty sensitive to higher fuel pressure. Holley not so much.


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