The answer is obvious.
Small bore and long stroke!!!!
Look at any steam engine.
Or talk to any owner of a diesel pickup. Only torque counts.
Bryan
Dave Dahlgren wrote:
>The problem is you can not isolate it down to the bore and stroke only. By
>nature the other parts do form a combination that favors a particular bore
>and stroke combination. If you change the baseline heads and cam then the
>best bore and stroke combination changes with it.
>Sorry but the whole method is flawed from the beginning. The only results
>that can be obtained is the best bore and stroke combo for all the other
>parts included in the combination. This is way bad science, and no real
>meaningful results are possible.
>What happens if you pick a different set of heads and cam? the results
>change...
>Dave
>
>
>
>>-----Original Message-----
>>From: owner-land-speed@autox.team.net
>>[mailto:owner-land-speed@autox.team.net]On Behalf Of Keith Turk
>>Sent: Monday, July 12, 2004 11:53 PM
>>To: land-speed@autox.team.net
>>Subject: Bore stroke combinations
>>
>>
>>David and I were chatting on the phone bout this idea... and now
>>I've got a
>>much better idea about what he was talking about...
>>
>>He's actually done this test... the results of which will be
>>published at a
>>later date... his real request was why do you think one is better then the
>>other... . he is looking for your personal perspectives... he is
>>researching
>>it to find truth.. and only the dyno and corrected conditions can give him
>>that... empirical data...
>>
>>The reason he's limiting it to a particular Cam and head combination is so
>>neither can be optimized for a purpose and to try and limit the
>>test to Bore
>>and stroke only.... it's obvious that a combination can be
>>optimized one way
>>or the other... and either combination can be set up as both a
>>high rev motor
>>or a torque motor....
>>
>>My understanding of his goal is to decide if there is any merit
>>what so ever
>>in a particular bore and stoke over another combination.... without
>>artificially pimping one set up over the other...propping it up
>>so to speak
>>with optimized cam's for a given combination...
>>
>>This is a PURE bore and stoke test.
>>
>>Now what say you?
>>
>>Keith
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