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12-20-2007, 01:29 PM
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#1 |
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Wheelin' and Dealin'
Join Date: Nov 2007
Location: poquoson va
Posts: 320
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estimated hp of 400 small block
just wondering how much horse power you guys think i have, its a 400 smallblock, not a bored 350, with 2 1/2 inch headers 4 barrel eldebrock carb, slightly raised holly intake, flex fan blades
http://www.nastyz28.com/sbchevy/sblock.php Years Casting CID Low High Main Power Power 1970-73 3951511 400 255 265 4 Last edited by Hillbilly Deluxe 65; 12-21-2007 at 03:45 AM. |
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12-20-2007, 01:43 PM
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#2 |
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Account Suspended
Join Date: Sep 2005
Location: Monroe, WA
Posts: 3,814
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Re: estimated hp of 400 small block
Compression? Cam? Heads? Valve sizes? Rocker ratio?
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12-20-2007, 04:32 PM
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#3 |
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Wheelin' and Dealin'
Join Date: Nov 2007
Location: poquoson va
Posts: 320
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Re: estimated hp of 400 small block
compression is 9: 1 and the rest is stock for the 6.6 litre out of a 72 caprice classic
Last edited by Hillbilly Deluxe 65; 12-20-2007 at 04:32 PM. Reason: oops |
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12-20-2007, 04:45 PM
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#4 |
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Account Suspended
Join Date: Sep 2005
Location: Monroe, WA
Posts: 3,814
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Re: estimated hp of 400 small block
Making me do your homework, huh?
 That engine was rated at 170 HP in '72 with an 8.5 CR - it was rebuilt and upgraded? I'd give it the benefit of CID and say 260 - 275HP at the flywheel max. Last edited by Billla; 12-20-2007 at 04:45 PM. |
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12-20-2007, 05:12 PM
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#5 |
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Wheelin' and Dealin'
Join Date: Nov 2007
Location: poquoson va
Posts: 320
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Re: estimated hp of 400 small block
caprice classic article claims they have 260 max stock at the flywheel, and im sorry i forgot to mention this is the turbo edition 4 bolt main, and thanks, i have done much research on this motor cause it was in the truck when i bought it and this bad boy will scream, with the B&M ratchet shifter, i mean ill do burnouts with no brake just floring it for a good 50 ft
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12-20-2007, 05:57 PM
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#6 | |
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Account Suspended
Join Date: Sep 2005
Location: Monroe, WA
Posts: 3,814
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Re: estimated hp of 400 small block
Quote:
Last edited by Billla; 12-20-2007 at 06:29 PM. |
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12-20-2007, 06:15 PM
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#7 | |
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Registered User
Join Date: Sep 2006
Location: Covington, WA
Posts: 770
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Re: estimated hp of 400 small block
Quote:
 
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12-20-2007, 05:32 PM
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#8 |
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Account Suspended
Join Date: Sep 2005
Location: Monroe, WA
Posts: 3,814
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Re: estimated hp of 400 small block
A 1972 Caprice "Turbo Edition"?
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12-20-2007, 05:49 PM
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#9 |
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Registered User
Join Date: Dec 2004
Location: beulah,alabama
Posts: 1,075
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Re: estimated hp of 400 small block
turbo fire motor maybe ?
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12-20-2007, 06:27 PM
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#10 |
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Registered User
Join Date: Sep 2006
Location: colorado springs colorado
Posts: 737
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Re: estimated hp of 400 small block
Just out of criousity,,,,,,,,,what is the tire, wheel and gear ratio?
A short/skinny wheel and tire combo could be lit up with a v8 only running on 7.
__________________
70 chevy lwb c10 454/th400 and a 9" rearend suicide doors, marker light fuel fill, 4" cowl , mini tub |
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12-21-2007, 03:38 AM
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#11 |
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Wheelin' and Dealin'
Join Date: Nov 2007
Location: poquoson va
Posts: 320
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Re: estimated hp of 400 small block
turbo fire yes, and i know the weight ratio is way higher in the front, i mean with 3:73 rear end gears and and 265/70R15 this truck does alright
Last edited by Hillbilly Deluxe 65; 12-21-2007 at 03:39 AM. |
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