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Old 09-09-2019, 11:13 PM   #1
Ian NZ
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Default Stromberg carburettors

Is it o/k to run a Stromberg 48 carburettor on a late 3-3.16" inch bore Ford V8 engine as originally they were fitted to the 3-1/16" inch bore 1934 Ford V8 engines.
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Old 09-09-2019, 11:44 PM   #2
Tinker
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Default Re: Stromberg carburettors

Sure why not? you could choke the jets too. if the cfm works.


probably look at he intake size to carb for flow. maybe some adjustment.






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Last edited by Tinker; 09-10-2019 at 12:01 AM.
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Old 09-10-2019, 12:22 AM   #3
Russ/40
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Default Re: Stromberg carburettors

Quote:
Originally Posted by Ian NZ View Post
Is it o/k to run a Stromberg 48 carburettor on a late 3-3.16" inch bore Ford V8 engine as originally they were fitted to the 3-1/16" inch bore 1934 Ford V8 engines.
I have been running a 48 on the 59AB in my '40 for years. Runs strong!
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Old 09-10-2019, 12:26 AM   #4
Tinker
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Default Re: Stromberg carburettors

No disrespect Russ. 59a is not a 99 or 81a but really not that different.
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Old 09-10-2019, 08:27 AM   #5
tubman
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Default Re: Stromberg carburettors

Actually, as a 48 has slightly larger venturis than a 97, it may be even a better choice for a 239 than a 97 or 94. It is an older design though.
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Old 09-10-2019, 10:45 AM   #6
scicala
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Default Re: Stromberg carburettors

Should be no need to change the jets if you run a Stromberg 48 on a 239 flathead V8. Carburetors are calibrated to give a proper air/fuel ratio based on the amount of air coming in. I don't understand when I hear about having to run smaller jets on a carb that is higher air flow than the original carb.


Sal
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Old 09-10-2019, 11:08 AM   #7
Russ/40
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Default Re: Stromberg carburettors

Quote:
Originally Posted by Tinker View Post
No disrespect Russ. 59a is not a 99 or 81a but really not that different.
My point was my 48 runs strong on my 3 3/16 bore size.
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Old 09-10-2019, 04:24 PM   #8
KiWinUS
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Default Re: Stromberg carburettors

My boss has a 40 coupe with a wicked built 3 5/16 x 4 1/4 59AB Canadian aluminum heads ----- all the goodies. It has been in the "Great American Race" twice & it has a single stromberg 48 on it . Has a 1" phenolic spacer under carb. This car ridiculously fast , will pull from 30mph in high gear, has 3.54 rear gears with a corrected speedo. I have had it up to 110mph on freeway & still pulling strong. All with a Stromberg 48
Cheers
Tony
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