351 4-bolt main?? - Ford Truck Enthusiasts Forums



351 4-bolt main??

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Old 07-25-2001, 03:04 PM
DrFord DrFord is offline
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351 4-bolt main??

I am interested in buying a 351 for racing purposes. I was wandering did ford ever make a 351,351M with 4-bolt mains. and if so when. also, I will probably be turning this engine in the neighborhood of 6000 RPM. Would I definitly need a 4-bolt main to stand up to this.
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Old 07-25-2001, 06:13 PM
Nathan Nathan is offline
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351 4-bolt main??

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I am interested in buying a 351 for racing purposes. I was wandering did ford ever make a 351,351M with 4-bolt mains. and if so when. also, I will probably be turning this engine in the neighborhood of 6000 RPM. Would I definitly need a 4-bolt main to stand up to this.
Ford did make some 351C blocks with 4 bolt mains, but no M blocks. Good luck finding a 4 bolt C block that is not in a car being sold for lottery size $.

A properly built Ford motor, balanced, blueprinted, etc. will handle 6000 RPM on 2 bolt mains very well. Remember, we're not talkin about those "other" motors that need 4 bolt mains and steel cranks to turn the Rs Ford racers have been doing it for over 40 years.

Nathan


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Old 07-26-2001, 10:47 AM
swenson swenson is offline
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351 4-bolt main??

Are all 351W's 2-bolt mains?
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Old 07-26-2001, 05:18 PM
460v10 460v10 is offline
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351 4-bolt main??

Yes.
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Old 09-20-2001, 02:56 AM
albatross albatross is offline
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351 4-bolt main??

You can get 4 bolt mains clevelands in Australia for about $200 USD. I think the company is called netengines.com.au or something similar. Do a search in OZ only and they will turn up.

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Old 09-23-2001, 04:19 PM
rc351w rc351w is offline
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351 4-bolt main??

If you want a 4-bolt main Windsor, you can buy them from SVO Ford
http://oemfordparts.com/partslist.asp?CategoryID=12
Part #: M-6010-S351 cost about $1700 US.

A cheaper alternative would be to use a stock block with a "main cap girdle" which ties all the main caps together to prevent "cap walk". This setup will easily handle 7000 RPM.

RCC
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Old 09-24-2001, 12:13 PM
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351 4-bolt main??

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