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EFV-8 Club Forum / General Ford Discussion / 1948 fuel plump push rod

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Discussion Topic: 1948 fuel plump push rod

tomfitz

09-26-2010 @ 7:50 AM

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1948 24 stud engine

How do I install a fuel pum push rod without cracking the fuel pump mount?

How do I know what size push rod is required

I understand there are two (2) different size rods and fuel pump stands

I've broken one stand already

Any help appreciated

Thanks - Tom
609-602-1247
tomfitz9@comcast.net

supereal

09-26-2010 @ 10:11 AM

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Tom: The correct length of the pushrod for your car is 8.87". Several things could be causing your problem. Are you sure that your engine is a 59AB? The later 8BA type is 24 studs, but requires a different stand and rod than the earlier type. Are you sure you have the correct fuel pump? Some of the new replacements have modified arms. Where is the stand breaking? Are the "ears" of the stand breaking when tightened? I prefer to install a fuel pump with the stand off the car for convenience. When reinstalling, we turn the engine until the rod is at its lowest point, then make sure that the rod fits in the cup of the pump arm as we set the stand on the studs. When installing the pump with the stand on the engine, it is possible the the pump arm isn't being properly located because of the cramped space in which to work.

tomfitz

09-27-2010 @ 6:36 AM

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Thanks for the reply
Engine is a 48 24 stud - water inlets on head is in middle of heads as opposed to forward side of head used in 1949
Do you know if the fuel pump stand changed from 1932 to 1948? I seem to recall that there were two types.

This engine is in a 37 rumble seat convertible

Again thanks for your reply.
Tom

BrianCT

09-27-2010 @ 7:33 AM

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Are you sure it is a 48 ? Those heads can be put on the later motors. Also are you using an aftermarket multi-carb manifold?

tomfitz

09-27-2010 @ 8:55 AM

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Offenhauser dual carbs

tomfitz

09-27-2010 @ 8:56 AM

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Offenhauser dual carbs
and water pumps are 48

supereal

09-27-2010 @ 10:33 AM

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The aftermarket intake is probably the cause of your problem. You will need to compare the height of the pump stand boss with a stock manifold, or ask Offenhauser if the piece is actually for the 59AB, or designed for the 8BA. Many such manifolds were meant for the later engine type. If so, you need a EAB-9400 pushrod and 7RA-9416 stand.

tomfitz

09-27-2010 @ 11:03 AM

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Bought it from Speedway
Called to get that information and was advised that tech department would call back - no reply

Thnks for the advice
Tom

37RAGTOPMAN

09-28-2010 @ 4:58 AM

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TOM
if you are breaking the stand, it seems to me the push rod is too long, why not try a the shorter push rod?
I am sure there were no special fuel pump push rods for the multi carb manifolds. At least I never heard of one,
hope this helps,37RAGTOPMAN, MAINE an KEEP on FORDIN,!

TomO

09-28-2010 @ 7:44 AM

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If you post the location of the break, the forum members will be able to give you more help.

The current Offenhauser intake manifolds use the stock fuel pump push rod and fuel pump stand. Did you install the push rod, the stand gasket, then the baffle and then the stand, making sure that the baffle was seated in the recess in the stand? If you have the pump mounted to the stand, did you make sure that the rod was seated in the pump operating arm?

Tom

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