Re: STROKER Engines

What is the final CI size of a 343 with a 401 crank assuming it is a 
standard bore? What is the largest (safe) overbore that can be done on a 343 
block? With the largest overbore plus the 401 crank.....what would that CI 
be?

Rocky
----- Original Message ----- 
Sent: Thursday, January 27, 2005 6:03 AM
Subject: Re: STROKER Engines


> No, I'm not the least bit offended this time Randy! ;>
> I didn't go through any of the math or look at any figures when I posted. 
> I can rattle off most of the six figures off the top of my head, but not 
> the bores and strokes of the V-8s. I don't play around with them enough! 
> Very good, informative post.
>
> On January 26, 2005  wrote:
>
>> Ahem... For all those that were unaware, all 304 and 360 AMC engines use
>> the exact same 3.44 stroke. No stroke advantage at all to swap cranks
>> there.
>>
>> Stock AMC strokes. 3.28 for 290 & 343, 3.44 for 304 & 360, 3.574 for
>> 390, and 3.68 for 401.
>>
>> Couple that with stock bores of 3.75 for 290 & 304, while the 4.08 bore
>> comes in the 343 & 360 engines with both the 390 and 401 sharing a 4.165
>> bore.
>>
>> If you care to see what all sizes one can build with those, follow this
>> formula
>> BORE x BORE x STROKE x .7854 x 8 = CU.IN.
>>
>> You can offset grind cranks and thus stroke or de-stroke them and you
>> can bore the block to come up with still more cu in sized AMC engines.
>> You can build from a 209 [AMC did that ] up to a 500 [INDY did that]
>> inch AMC engine.
>>
>> So grab the old calculator and build all the Paper Tigers you want.
>>
>>  Before anyone gets mad, this is not meant to belittle anyone, it is
>> meant to inform and motivate those that have intrest in possible AMC
>> engine combos. For those that seem to read something I don't mean, I
>> simply stated, Here is the info, now go figure the combinations out you
>> want to know about. I added what size engines have already been built.
>>
>> Regards,
>>
>> Randy Guynn
>>
>>
>> .
>
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