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04-23-2007, 01:01 AM
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#1 |
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Registered User
Join Date: Mar 2007
Location: Tyler, Texas
Posts: 559
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Displacement #'s???
i have no idea how you figure out what your displacement is after an overbore/stroke increase. i brought it up while talking to a guy at work about his 454... ahem... his 468. he said he had a .060" overbore. i asked him what my displacement would be in my 454 and he said itd be a 462 (mine is .040 over). ive also heard of a 383 and a 386 stroker sbc. wtf dude? sorry if i ask dumb questions but im trying to learn here
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04-23-2007, 01:07 AM
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#2 |
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Commander Taco Bello
Join Date: Sep 2006
Location: Des Moines, Iowa
Posts: 2,232
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Re: Displacement #'s???
383 is a standard 350 block with with a 400 crank. the 400 crank has a longer stroke, therefore, more ci.
IRCC, the 386 is the exact same setup, but the engine has been bored out .030" |
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04-23-2007, 01:10 AM
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#3 |
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GEARHEAD
Join Date: Jan 2007
Location: CENTRAL,PA
Posts: 2,284
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Re: Displacement #'s???
Best way I can use the displacement calc. HERE Just punch in the numbers.
Hope it helps. There are some other pretty good calc's. there too. RJ22 BTW NO question are stupid they are all insite for future knowledge 
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Last edited by RACINJASON22; 04-23-2007 at 01:12 AM. |
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04-23-2007, 01:17 AM
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#4 |
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Registered User
Join Date: Mar 2007
Location: Tyler, Texas
Posts: 559
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Re: Displacement #'s???
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04-23-2007, 01:26 AM
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#5 |
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Registered User
Join Date: Mar 2007
Location: Tyler, Texas
Posts: 559
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Re: Displacement #'s???
so according to this chart my 454's stock 4.250" bore was increased .040" to 4.290". It also has a stroke of 4.000". Since cubic Inches = (Bore x Bore x Stroke x Number of Cylinders x .7854)
(4.290 x 4.290 x 4.000 x 8 x .7854) = 462.54656448 cubic inches. WAY COOL!!
Last edited by tavenner13; 04-23-2007 at 12:14 PM. |
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