Ford Model A & B Motors

[old28]

Tom Wesenberg & George Miller -- Thanks for the information to help me get my all this new stuff in a row. I am just finishing Van Pelts book on transmissions along with my 3rd pass on Mr B book, still finding more stuff each pass.

[old28]

What is the CFM on a 97 & 81 Carb?

I have always used 94 carbs that flow 150 cfm, are 97 & 81 a better choice for the motor build I am planning?

Motor build is listed in this thread.

I want to use 2x2's or 3x2's setup.

[old28]

What color of dark green can I paint my A engine? Not looking for a restore color just one that looks nice and can be brushed on. Want the same color on pan, block & iron head.

[KenCoupe]

The Ford engine green paint is available from most of the usual Model A vendors. It comes in both a pint can and spray rattle can.

[Charlie Stephens]

Originally Posted by forever4

Umm? How about Ford engine green?
Is there a better, easier, more obvious choice?

I would use Ford engine green on the cast iron parts but I would use black on the pan out of respect to Henry.

Charlie Stephens

[old28]

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OK I get it, Ford Green LOL

Is there one brand that holds up better?

The pan will be "BLACK"

[Chris Haynes]

Speed costs money. How fast do you want to go?

[old28]

Chris --- Already went fast & spent a ton of cash.

This is about the build & having a project to work on.

[old28]

Just got my model A motor and have started to pull it apart. I do have a question on the valve train side cover. I have seen a few cast aluminum side covers that are not set up to use the stock oil return tube on the side. my motor has a small hole in the case at the front that returns oil to the front of the cam bearing.

As this motor will be used for 1/8 mile sand (Trog) racing only with limited run time, will it be ok to run a none return oil tube side cover?

[colin1928]

Yes it has been done before

[old28]

colin1928 -- Thanks for the reply. Good to hear, I was hoping that was the case as this will be a fresh built motor and should not be using more oil than normal for regular lubrication. I would like to run a 5 or 6 rib cast aluminum side cover. If I find one that is setup for the oil tube I will run it.

[TBone69]

Hey old28 how did the engine build come out? I stumbled upon the thread looking for piston to bore clearances.

I'm in NJ and building for TROG 2018, I've been a spectator for far too long.