Which Is Faster - 600hp@6200 or 600hp@7100

General engine tech -- Drag Racing to Circle Track

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swampbuggy
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Re: Which Is Faster - 600hp@6200 or 600hp@7100

Post by swampbuggy » Wed Nov 22, 2017 10:55 pm

Hey Warpspeed-----If you changed the Bore to 4.130" and the stroke to 3.335" how much effect would that have on an open engine say at Charlotte ?

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Re: Which Is Faster - 600hp@6200 or 600hp@7100

Post by user-17438 » Thu Nov 23, 2017 3:51 am

swampbuggy wrote:
Wed Nov 22, 2017 10:55 pm
Hey Warpspeed-----If you changed the Bore to 4.130" and the stroke to 3.335" how much effect would that have on an open engine say at Charlotte ?
Allow a gear change....

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Re: Which Is Faster - 600hp@6200 or 600hp@7100

Post by Warp Speed » Thu Nov 23, 2017 10:42 am

swampbuggy wrote:
Wed Nov 22, 2017 10:55 pm
Hey Warpspeed-----If you changed the Bore to 4.130" and the stroke to 3.335" how much effect would that have on an open engine say at Charlotte ?
It would typically lose power everywhere.
There is a measurable power difference between 4.175 and 4.185 bore size, even with ci remaining the same.

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Re: Which Is Faster - 600hp@6200 or 600hp@7100

Post by John Wallace » Thu Nov 23, 2017 10:49 am

There is a measurable power difference between 4.175 and 4.185 bore size, even with ci remaining the same.
The 4.185 having more power?
(less stroke?)

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Re: Which Is Faster - 600hp@6200 or 600hp@7100

Post by Warp Speed » Thu Nov 23, 2017 11:44 am

Yep

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Re: Which Is Faster - 600hp@6200 or 600hp@7100

Post by swampbuggy » Thu Nov 23, 2017 12:33 pm

Warp---your answer to my question was what was expected, and i am sure you know WHY i threw this question out to you as it relates to this thread, thanks Mark H.

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