[DeTomaso] 351c Deck Height?
Corey Price
coreyjprice at gmail.com
Fri Dec 5 14:34:25 EST 2014
Yes, the standard answer for centerline of crank mains to head surface is
9.206" for a 351 Cleveland. What's funny is that my 30-yr-old "Ford
Performance" book states that the '71 Boss 351 block was between 9.201" and
9.211" and the rest of the 351 blocks are 9.213". I'm sure the 9.206"
height I find in most literature is the average of 9.201" and 9.211". My
machinist claims that most blocks are on the high side of the specified
deck height. Not being a machinist, I can't tell one way or another. The
reason I'm asking is that I'd like to order pistons with the correct pin
(compression) height and there's a readily available piston in a 0.020"
overbore from Probe that fits, but it wouldn't give much room for surfacing
the block deck if the deck height is 9.201". I'm not sure I have the tools
to accurately measure deck height. The machinist said he usually checks
for warping and height with the pistons at four corners, but isn't that a
little too late?
Corey
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Yes, the standard answer for centerline of crank mains to head surface
is 9.206" for a 351 Cleveland.A What's funny is that my 30-yr-old
"Ford Performance" book states that the '71 Boss 351 block was between
9.201" and 9.211" and the rest of the 351 blocks are 9.213".A I'm sure
the 9.206" height I find in most literature is the average of 9.201"
and 9.211".A My machinist claims that most blocks are on the high side
of the specified deck height.A Not being a machinist, I can't tell one
way or another.A The reason I'm asking is that I'd like to order
pistons with the correct pin (compression) height and there's a readily
available piston in a 0.020" overbore from Probe that fits, but it
wouldn't give much room for surfacing the block deck if the deck height
is 9.201".A I'm not sure I have the tools to accurately measure deck
height.A The machinist said he usually checks for warping and height
with the pistons at four corners, but isn't that a little too late?
Corey
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