How to identify a Ford V8
(→335 Series Engine Family (Cleveland) (302C/351C/351M/400)) |
(→335 Series Engine Family (Cleveland) (302C/351C/351M/400)) |
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*It is difficult to differentiate a 351M from a 400 externally. The most accurate way is to remove the oil pan and look at the crank. [http://www.tmeyerinc.com/400crankshaftid.html 351M/400 crankshaft ID]. | *It is difficult to differentiate a 351M from a 400 externally. The most accurate way is to remove the oil pan and look at the crank. [http://www.tmeyerinc.com/400crankshaftid.html 351M/400 crankshaft ID]. | ||
*351M/400 share the same transmission bolt pattern as the 429/460 (385 series)motors. One exception. The 400 was available with FMX in full size Fords in the early 70's and has the smaller bolt pattern. | *351M/400 share the same transmission bolt pattern as the 429/460 (385 series)motors. One exception. The 400 was available with FMX in full size Fords in the early 70's and has the smaller bolt pattern. | ||
| − | *All 302C/351C blocks use the smaller 6 bolt transmission pattern, C4 or "Windsor" type etc | + | *All 302C/351C blocks use the smaller 6 bolt transmission pattern, C4 or "Windsor" type etc. 351C's were available with 4 bolt mains (HO or Boss). 2V heads and 4V heads were used depending on option. Originally 2V meant 2bbl carb. and 4V meant 4bbl carb. However it was soon discovered that the huge 4V ports were not much good for street applications. |
*351C and 351M crankshafts are not interchangeable. They have the same stroke but journal diameters are different, 2.75" Vs 3.00". *Connecting rods are not interchangeable between "M" & "C" motors, 6.58" Vs 5.78". | *351C and 351M crankshafts are not interchangeable. They have the same stroke but journal diameters are different, 2.75" Vs 3.00". *Connecting rods are not interchangeable between "M" & "C" motors, 6.58" Vs 5.78". | ||
*Australian Crankshafts are cast and have a raised 302, 351 or 4MA I.D. cast into the crank. Australian 302's have a longer connecting rod @ 6.00" (351C @ 5.78") | *Australian Crankshafts are cast and have a raised 302, 351 or 4MA I.D. cast into the crank. Australian 302's have a longer connecting rod @ 6.00" (351C @ 5.78") | ||
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