question about a 74 351m
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From: Edinburg, Texas
when i pulled my 400 out of a '73 galaxie the label on the valve cover read 351M/400. Dont know if they were the original valve covers but im pretty sure they were.
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From: Paragould Ar
so you guys are saying this thing could have a 400 in it? only reason im doubting is because when i wiki'd the car the 351m was one of the base motors. infact there were only 4 options for motor 351w 351m 400 and 460. its definatly either a 351m or a 400
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From: Edinburg, Texas
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From: Simi Valley, CA
The 351M was introduced in 1975 passenger cars, used thru 1979.
351C/351M/351W are all 5.8L's.
The sticker on the engine...where is it...on the valve cover?
The same valve cover fits 351C's, 351M's and 400's. 351C/351M/400 = 8 valve cover bolt holes per side.
The 5th digit of the passenger car's VIN thru 1979 is the engine code.
H = 351C 2V (1970/74) & 351M (1975/79) & 351W (1969/79) / R = 351C 4V High Output (1971/73) / S = 400 (1971/79) / Q = 351C 4V (1971/74).
351W's have 6 valve cover bolt holes per side.
Is it a 1974 Gran Torino Elite, or is it a 1975? The 1st digit of the passenger car's VIN thru 1979 is the year.
4 = 1974 / 5 = 1975.
If it's a 1974, it would not have come with a 351M...as original.
351C/351M/351W are all 5.8L's.
The sticker on the engine...where is it...on the valve cover?
The same valve cover fits 351C's, 351M's and 400's. 351C/351M/400 = 8 valve cover bolt holes per side.
The 5th digit of the passenger car's VIN thru 1979 is the engine code.
H = 351C 2V (1970/74) & 351M (1975/79) & 351W (1969/79) / R = 351C 4V High Output (1971/73) / S = 400 (1971/79) / Q = 351C 4V (1971/74).
351W's have 6 valve cover bolt holes per side.
Originally Posted by Krazy351w
I just bought a 1974 Gran Torino Elite.
4 = 1974 / 5 = 1975.
If it's a 1974, it would not have come with a 351M...as original.
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From: Paragould Ar
just got the car home so i could actually look at it and mess around with it. Its definatly a 400! Now i dont know if i wanna do an engine swap or just build the 400, as i have no knowledge or experiance with the 400 small block.
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Its an awsome engine, check your casting foundry as michigan blocks were defective on that year, call this fella he has everything you need for that engine, he is the only supplier for good parts:
TMeyer, Inc. Precision Automotive Machining
TMeyer, Inc. Precision Automotive Machining
Senior User
Joined: Sep 2009
Posts: 130
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From: Edinburg, Texas
Its an awsome engine, check your casting foundry as michigan blocks were defective on that year, call this fella he has everything you need for that engine, he is the only supplier for good parts:
TMeyer, Inc. Precision Automotive Machining
TMeyer, Inc. Precision Automotive Machining
Do you know if the '73 MCC blocks were defective?