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400 stroker
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chevylt4
New User
| Posts: 6
| Joined: 11/11
Posted: 01/15/13
12:07 PM
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how many cube with a 4.25 stroke crank and big block chevy 6.135 rod in a 400 block with 0.030 overbore...tank you...
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tuffnuff
Moderator
| Posts: 2387
| Joined: 12/09
Posted: 01/15/13
03:35 PM
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460.1 cubes
When The Flag Drops,,,
The Bull Chit Stops,,,
P. Engineer, Engine Builder
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chevylt4
New User
| Posts: 6
| Joined: 11/11
Posted: 01/17/13
10:32 AM
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the piston forged flat top that i alerady can you install it be with this combo...and thank you for your info....
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Posted: 01/17/13
11:02 AM
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Regular 400 or 455 pistons won't work, you need ones designed with the correct wrist pin height for that stroke and rod combination. Best bet is to buy a complete balanced rotoating assembly from Butler's, Kaufmann's or Eagle.
Steve
A little help... 'cause we don't all have to learn the hard way!
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chevylt4
New User
| Posts: 6
| Joined: 11/11
Posted: 01/17/13
05:17 PM
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it is because I already the eagle 4.210 crank with rod to stroke eagle 6.135 in their box and I would like to install in my 400 block and what kind of piston would be best to put with this combination...
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Posted: 04/03/13
06:47 PM
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I think you may get better answers if you provide more information. What exactly are you going for? What exactly do you have for pistons already? Compression height? Has the block had any machine work done? Do you care about quench?
*******
This hot rodding **** is harder than I thought it would be!
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Opontee
Guru
| Posts: 1340
| Joined: 07/09
Posted: 04/04/13
12:02 PM
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Bore x bore x stroke x # of cylinders x .7854= ***
Your going to have to get a special piston made. Cost prohibited. Stock Pontiac rod is 6.625 long. I have an Ohio Crankshaft 4.25 stroke, 6.8" rod (2.2 pin dia) and .035 over bore 455. And you need to remember that 400 has a 3" main and 455 has a 3.25" main. BBC also has a 3" main, but the cranks are NOT interchangeable between and Chevy and Pontiac.
 
Anna Mae quit. 
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Opontee
Guru
| Posts: 1340
| Joined: 07/09
Posted: 04/04/13
12:04 PM
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double post 
Anna Mae quit.
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