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Old 05-03-2007, 02:56   #1 (permalink)
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Will this work?

Hi all i have an idea for an engine combo i would like to build soon. Im just after thoughts and some corrections if i have researched it wrong :)

engine: 400 cleveland std stroke. with all the usual checks and tuffend up rods ( would like to spin 6500 - 7000 rpm.)

Heads: Chi 3V 225cc

Cam: Sig erson solid roller, duration @ 050 in:238 exh: 246.
Lift in: 640" exh: 640"

Manifold: Chi single plain

Carb: either holley or barry grant around 850 cfm possibly annular discharge.


I want to stay full solid roller because i allways wanted to build an engine with all the cridentials. :) but will change cam if you guys reckon i can get more power from a different lift or duration.
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Old 05-03-2007, 03:28   #2 (permalink)
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Re: Will this work?

Sounds ok to me. A 393, 9.2 deck clevo would be easier, lighter and have a lower manifold height, without the need for spacer plates. But nothing like a good challenge
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Old 05-03-2007, 03:41   #3 (permalink)
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Re: Will this work?

Woo Hoo one of the clevo masters agrees
Yeah ill definatly be staying 400 just to do something out of the ordinary
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Old 05-12-2007, 21:20   #4 (permalink)
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Re: Will this work?

hey tuffxd,
if you're going to start with a 400 block, then why don't you stroke it and get some really big cubes? It will make far better use of those big CHI heads!!

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Old 05-18-2007, 01:01   #5 (permalink)
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Re: Will this work?

hmmmm. not a bad idea how far can you stroke a 400m?

on a different note I want to build a blown 302 for my burnout car, does anyone have a 4/71 for sale? also what cfm carb would you recomend? with pump fuel and octane booster.
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Old 05-18-2007, 15:28   #6 (permalink)
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Re: Will this work?

Have you got a 400M or a 400C?
I believe for a 400C, around 450 cubes are possible, due to being 1" taller in deck height than a 351C.
I'm not sure if a 400M crank will allow this or if you can get an aftermarket one.
Worth looking in to though!!

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Old 05-18-2007, 17:03   #7 (permalink)
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Re: Will this work?

Quote:
Originally Posted by gus351
Have you got a 400M or a 400C?
I believe for a 400C, around 450 cubes are possible, due to being 1" taller in deck height than a 351C.
gus351
What is a 400c?
There is only one std stroke 400 cube ford motor, which has the 351m/400 block. Like stated, one inch taller decks.
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Old 05-19-2007, 02:00   #8 (permalink)
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Re: Will this work?

But u can stroke a cleveland block to 408 cubes. Why not go that way. Those 400 clevelands have problems with there rods.
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Old 05-20-2007, 21:06   #9 (permalink)
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Re: Will this work?

hi again tuffxd,
I went searching the history books for the answer to this.
The Ford 400 used a cleveland style block, with 1" taller deck height, than 351 block.
It had a new crank with .500" longer throw and .800" longer rods than standard.
It also had 3.00" mains versus 2.799 for the 351C, Same as a 351 Windsor crank!

History Lesson Below.
[Another Ford engine you have probably heard very little about, but rightfully belongs to this same family, is the 351-M. The "M" stands for modified, but not in the way most performance enthusiasts use the term. After production ceased on the 351C in 1971, apparently the Windsor plant was unable to keep up with customer demand for an engine of this displacement, so Ford engineers "modified" the 400 by installing the 351-W crankshaft in the 400 block. ( Ford Performance by Pat Ganahl, 1979)]


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Old 05-21-2007, 04:17   #10 (permalink)
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Re: Will this work?

Ok then so does that mean that the 400 crank and mains area is stronger than a 351c? if so maby i can just buy some strong rods and possibly a gridle? to make the bottom end strong. also Crockhunter i like your thinkin but i want to build a 400 because its different and i want to bring its rep up lol.
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