Engine Identification

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Mar 28, 2004 | 10:11 PM

zacks77

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Engine Identification

I have a 1977 Ford F150 Explore that I just picked up.It's Orange and needs little boddy work but I don't know what engine it has. My dad said that all sines show a 351m. But I read that a 351m is 10.6 inches across or something like that, but this is like 12.

Mar 28, 2004 | 10:27 PM

Mil1ion

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Easy *Signs* to determine general engine.

Is there a Valve cover sticker ?
Count the valve cover bolts
What is the 4th digit in the Vin# ?

To determine between a 351M & a 400 you have to physically measure the stroke.

Mar 28, 2004 | 10:34 PM

zacks77

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there is no valve cover sticker. It has 8 bolts on valve cover.The Vin# is f15slx87782

Mar 28, 2004 | 10:35 PM

Torque1st

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Engine Identification:
351C/M/400 335 series: 8 bolts in rectangular valve covers. Timing chain housing is part of block. Thermostat housing on block. Exhaust bolt holes diagonal.
351M/400 335 series: intake is 10.7" wide the 351C is narrow.
351W/302/5.0L 6 bolts on trapezoidal valve covers. Thermostat housing on intake. Exhaust bolt holes horizontal.
429/460 385 series: 7 bolts in rectangular valve cover
352/360/390/427/428 FE series: Intake goes under valve covers.
There are other indicators but these may help.