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Carb. suggestions for 351M

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Old Jan 21, 2023 | 02:51 PM
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Carb. suggestions for 351M

Hello everyone, Looking for your comments on a Edelbrock carb. My 54 F100 has a 351M C-6 automatic transmission and a Edelbrock performer intake. The present carb. is a 1406 600cfm. It runs good but was wondering if the 1403 500 cfm would be a better choice. There is no high performance cam or other extras. If I stay with the 1406 I will send it out to be rebuilt. All comments and suggestions are appreciated.
Thanks, Ron.
 
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Old Jan 21, 2023 | 05:45 PM
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It depends on the RPM you want to run. At 5000 RPM the 500 CFM should be just fine on the street.

CFM Calculator (summitracing.com)
 
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Old Jan 21, 2023 | 06:16 PM
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I have a Edelbrock 1404 500cfm on my 5,0 with a mild build, should be fine on your 351M
 
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Old Jan 21, 2023 | 08:52 PM
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I would not waste the money to go to 500 cfm carb when you have a great 600 cfm carb. I promise you would not notice a difference in drivability. Rebuild yours and enjoy driving it.
I could go in to all the reasons why I say keep yours but AFB style card will only pull open the secondary's as far as the engine demands.
 

Last edited by truckeemtnfords; Jan 22, 2023 at 01:24 PM. Reason: grammar form the phone
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Old Jan 22, 2023 | 08:57 AM
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Carb rebuild

Rebuilding your carb is not too difficult. I did my 1405 using an Allstate rebuild kit (Amazon) and YouTube video.

If you’re intent on sending it out, here’s an option:
https://www.hagerty.com/media/people...eenage-tuners/

The Allstate kit is made in the USA, by the way. They also rebuild carburetors. https://allcarbs.com.
Good luck.
 
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Old Jan 23, 2023 | 10:32 AM
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carb suggestions

Originally Posted by Dturk
Rebuilding your carb is not too difficult. I did my 1405 using an Allstate rebuild kit (Amazon) and YouTube video.

If you’re intent on sending it out, here’s an option:
https://www.hagerty.com/media/people...eenage-tuners/

The Allstate kit is made in the USA, by the way. They also rebuild carburetors. https://allcarbs.com.
Good luck.
Thank you all for the response. I think I will just do a rebuild. That Rileys rebuid looks pretty good. All good feedback ratings.
 
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