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Displacement = ?????

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Old Jul 15, 2002 | 01:55 PM
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Default Displacement = ?????


My cousin has a '98 Trans Am for which he is building a new motor. He claims to be getting a 6.0L block with 4.000 inch bores.:eek: What would this put the displacement up to??? Thanks for any help! :yesnod: :seeya
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Old Jul 15, 2002 | 02:03 PM
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Default Re: Displacement = ????? (LT1pwrd'94)

364 ... tel him to offset grind his crank for more cubes!!! :D
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Old Jul 15, 2002 | 02:10 PM
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Default Re: Displacement = ????? (intel55)


intel,
What is the formula for coming up with 364ci? How many more inches can be gained from grinding the crank?
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Old Jul 15, 2002 | 02:21 PM
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Default Re: Displacement = ????? (LT1pwrd'94)

The cross sectional area of a circle is PI * R^2. The volume of anything is it's area in one direction, times it's height in another, so the volume of a cylinder is PI * R^2 * H. R = radius = diameter / 2 = bore / 2. H = height = stroke.

Then you multiply by number of cylinders, and get displacement = PI * (bore/2)^2 * stroke * 8.

PI is 3.14159...

Stock bore is 3.9 and stock stroke is 3.62 (I think).

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Old Jul 15, 2002 | 02:23 PM
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Default Re: Displacement = ????? (LT1pwrd'94)

http://www.aera.org/Tech/cube_calc.html
link I used
6.0 bore is 4.00 ( I should know :D :D )
Ls1 stroke is 3.62

So try 4.030 (.030 overbore) and 3.72 ground crank :D :D
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Old Jul 15, 2002 | 03:34 PM
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Default Re: Displacement = ????? (intel55)

So try 4.030 (.030 overbore) and 3.72 ground crank :D :D [/QUOTE]
What would that .030 overbore and 3.72 ground crank take the displacement to on that 6.0L block???
Intel, what setup do you have on your C5??? He(cousin) is very interested in any other ideas. :cheers:
Thanks For the Help!!:yesnod: :seeya
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Old Jul 15, 2002 | 04:02 PM
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Default Re: Displacement = ????? (intel55)

Miles good work and Intel that table is great...almost as good as the f-body.org gear ratio calculator.
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Old Jul 15, 2002 | 04:04 PM
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Default Re: Displacement = ????? (LT1pwrd'94)

well I am in the process of building a monster :D

6.0 block bored .030
Still waiting to get 4.0" crank
408 CID
Custom sheetmetal intake (pics on LS1tech.com under "SIR")
SpeedDemon Stage 4 heads <--pics soon
J/E forged pistons, skirts and dome coated.
Carrillo rods
Joe Prince "secret" :D not telling yet
Jessel J2K adjustable shaft mount rocker <--pics soon
BIG **** solid roller cam


other "lil" things.....


mods over Xmas Halltech TT :D :D :smash: :smash: :smash: :reddevil




[Modified by intel55, 2:06 PM 7/15/2002]
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Old Jul 15, 2002 | 04:17 PM
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Default Re: Displacement = ????? (intel55)

What would the displacement be with the 6.0L block(with and without being bored .030) with a 3.72 ground crank??? Thank you Guys for the help! :yesnod: :cheers:

BTW, Intel, sounds like you will have yourself a monster!! :smash: :seeya


[Modified by LT1pwrd'94, 2:19 PM 7/15/2002]
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Old Jul 15, 2002 | 04:19 PM
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Default Re: Displacement = ????? (LT1pwrd'94)

374 cid :D without bore
380 with .030
BORE IT!!! :yesnod:


yes the engine is :reddevil :reddevil :reddevil


oh yeah and for kicks a 6.0 block and LS1 stock crank is:
std bore 364
.030 over 369


[Modified by intel55, 2:22 PM 7/15/2002]
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Old Jul 15, 2002 | 04:29 PM
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Default Re: Displacement = ????? (intel55)

374 cid :D without bore
380 with .030
BORE IT!!! :yesnod:


yes the engine is :reddevil :reddevil :reddevil


oh yeah and for kicks a 6.0 block and LS1 stock crank is:
std bore 364
.030 over 369


[Modified by intel55, 2:22 PM 7/15/2002]
Intel, Thanks for the information! :yesnod: Called my cousin, he's gettin on the phone with his engine guy right now. I'll let ya know how it turns out and what he ends up doing as far as boring and grinding. :smash: :seeya
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