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- 1967 - 1972 F-100 & Larger F-Series Trucks (https://www.ford-trucks.com/forums/forum39/)

- - 240ci vs 300ci (https://www.ford-trucks.com/forums/112131-240ci-vs-300ci.html)

PKucan

04-15-2003 10:48 AM

240ci vs 300ci

I have a 1971 F100 custom. By the VIN it is supposed to have a 240 but the guy I purchased it from said it now has a 300. How can I tell the difference? The air cleaner has the opening for a preheater hose but there is no opening in the manifold. Looks like the wrong air cleaner for the installed engine? I'm not a mechanic but I like to play mechanic. Any help would be greatly appreciated

badboyina67

04-15-2003 02:43 PM

240ci vs 300ci

Only way to tell the difference is to measure the stroke of the engine. Remove a spark plug and use a piece of wire and turn the engine over by hand. Report your findings back.

Ken

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