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Old 09-01-2019, 12:54 PM   #1
Beater
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Default A head on B engine

what is involved? drill some steam holes? im thinking about using a higher comp A alum head on the B motor
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Old 09-01-2019, 02:46 PM   #2
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Default Re: A head on B engine

Hi; My '32 B came with a Model A head and pump, ran fine. In fact it was a Model A "police" Ford high comp head..... a 'B' head. Check the gaskets for any changes. Newc
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Old 09-01-2019, 04:07 PM   #3
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Default Re: A head on B engine

well this B has the C head on it, which is high comp I guess. just thinking about going A head so a waterpump is more avalable
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Old 09-01-2019, 04:41 PM   #4
Bob C
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Default Re: A head on B engine

The stock B head with the C on it is 4.6:1 and the stock A head is 4.22:1.


Bob
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Old 09-01-2019, 05:15 PM   #5
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Default Re: A head on B engine

yes I did know that. what I want to know is what has to be don't to use an A head on B block. thinking about using an aftermarket alum head for an A
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Old 09-01-2019, 10:35 PM   #6
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Default Re: A head on B engine

Have you ever heard of the S.S.O.S Society? Dedicated to Ford fours. Secret
Society of Speed google it- has been around 25 yrs, based in Ohio. Newc
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Old 09-02-2019, 09:03 AM   #7
Kurt in NJ
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Default Re: A head on B engine

Between #2,3 there's 2 small holes, depending on the head, and gasket used those 2 holes may need to be plugged
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Old 09-02-2019, 10:51 AM   #8
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Default Re: A head on B engine

Quote:
Originally Posted by Kurt in NJ View Post
Between #2,3 there's 2 small holes, depending on the head, and gasket used those 2 holes may need to be plugged
or drill out the steam holes to match in the head?
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Old 09-02-2019, 01:35 PM   #9
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Default Re: A head on B engine

Many years ago I ran a Model A cylinder head on a Model B engine in my 1929 Station Wagon with oversize tires for hard driving on sandy beaches. At the time my nephew was a hot rodder and he threaded bolts into the two steam holes that are in the block, then cut and filed them flat. Used the regular Model A cylinder head gasket, drove many miles over about 12 years, never had a problem.
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Old 09-02-2019, 01:46 PM   #10
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Default Re: A head on B engine

I'm not a Ford Four Banger guy so the

steam hole doesn't compute with me. Can
any of you guys fill us in? Thanks
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Old 09-02-2019, 04:56 PM   #11
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Default Re: A head on B engine

Quote:
Originally Posted by KGS View Post
I'm not a Ford Four Banger guy so the

steam hole doesn't compute with me. Can
any of you guys fill us in? Thanks
from what ive learned there are two extra " steam holes" in the B block between 2 and 3 cylinder. A doesn't have this added cooling I guess.
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Old 09-03-2019, 09:13 AM   #12
1931 flamingo
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Default Re: A head on B engine

Ck out Vince Falter's site or try the A forum OR a search. Steam hole filling has been covered before.
Paul in CT
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Old 09-03-2019, 09:51 PM   #13
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Default Re: A head on B engine

vince falters site is wonderful. i believe its "the old ford garage"
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Old 09-04-2019, 05:57 AM   #14
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Default Re: A head on B engine

Thanks. Will check it out.
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Old 09-04-2019, 09:36 PM   #15
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Default Re: A head on B engine

https://www.jalopyjournal.com/forum/...-links.161498/


There is a monthly "banger" thread. Not sure it's still active.


If not, the model A forum here is good. They know touring As and B motors.


.

Last edited by Tinker; 09-04-2019 at 09:45 PM.
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Old 02-19-2020, 05:58 PM   #16
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Default Re: A head on B engine

so its time. ive not had anyone say for sure it wont work or do it this way not that way. I can reach inside and see that if I drill the holes in the head the hit the water jacket.

im leaning to just drilling the holes to match

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Old 02-19-2020, 06:56 PM   #17
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Default Re: A head on B engine

If your motive is what you believe to the be the relatively availability of B water pumps, I believe that you've been misled. There out there in quantity.
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Old 02-19-2020, 06:57 PM   #18
Charlie Stephens
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Default Re: A head on B engine

Use the Model B gasket with either the B head or the high compression Model A head and the steam holes are covered so the problem is gone. I am basing this on all of the High compression Model A heads I have ever seen. I assume you are running this in a Model A, if not then what?

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Old 02-19-2020, 07:37 PM   #19
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Default Re: A head on B engine

years ago when i put one of charlie yapps heads on my B motor i had leaks from those holes. had the head off twice. then called charle and he said "we always plug those holes" so, i did, problem solved.
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Old 02-19-2020, 08:11 PM   #20
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Default Re: A head on B engine

Quote:
Originally Posted by cas3 View Post
years ago when i put one of charlie yapps heads on my B motor i had leaks from those holes. had the head off twice. then called charle and he said "we always plug those holes" so, i did, problem solved.
well Charlie knows his shit. so maybe ill just leave things
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