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11-21-2008, 11:32 AM
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CC Member
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Join Date: Dec 2002
Location: caledonia,
il
Cobra Make, Engine: #1459 w/460(sold)New(used),spf w/427s.o.(sold)
Posts: 578
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Not Ranked
427so vs 482so
Is there any advantage or disadvatage between the 2? Mild builds(not wild)
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11-21-2008, 02:21 PM
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CC Member
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Join Date: Jul 2005
Location: Virginia Beach, Va & Port Charlotte, Fl.,
Posts: 2,282
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Not Ranked
Quote:
Originally Posted by sparks
Is there any advantage or disadvatage between the 2? Mild builds(not wild)
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torque and TORQUE
__________________
Too many toys?? never!
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11-21-2008, 02:23 PM
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CC Member
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Join Date: Jul 2005
Location: Bartlett,
Ill
Cobra Make, Engine: Everett-Morrison LS1
Posts: 2,448
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Not Ranked
The 482 has a 1/2 longer stroke---that means that the piston travels an extra inch every revolution---higher piston speed
The ideal FE for a cobra would probably be a 427 destroked to 396" like they ran at the short Nascar tracks
Jerry
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11-22-2008, 12:40 PM
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CC Member
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Join Date: Jan 2008
Location: Williamsport,
PA
Cobra Make, Engine: Kellison Stallion 468 FE
Posts: 2,703
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Not Ranked
if i had to do it all over again i would stick close to the factory 427, you can't even get all that hp and torque to the ground. there is no advantage to doing a burnout at 70 mph.
Fred
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11-22-2008, 12:41 PM
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CC Member
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Join Date: Dec 2002
Location: caledonia,
il
Cobra Make, Engine: #1459 w/460(sold)New(used),spf w/427s.o.(sold)
Posts: 578
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Not Ranked
good point!
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11-22-2008, 04:59 PM
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CC Member
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Join Date: Apr 1999
Location: cleveland,
OH
Cobra Make, Engine: CSX4000, 427
Posts: 1,999
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Not Ranked
Quote:
Originally Posted by sparks
Is there any advantage or disadvatage between the 2? Mild builds(not wild)
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I have a 427 (actually 429 ci, 4.250 bore, 0.017" over) in my car, and it put 488 ft-lbs of torque at the rear wheels. A 477 ci in a similar car put 476 torque at the rear wheels. My friend who has a 482 hydraulic roller built by a respectable builder, on a different dyno, put 420 ft-lbs at the rear wheels. Yeah, for any given build, the extra cubes will give you more torque, but 427 ci will give enough as well.
If you get a used complete motor, you don't have to buy another crank. The engine will remain a "true" 427.
If you buy a stroker crank, 3.98, 4.25, etc. you get more cubes, but also you get BBC rod journals, that are slightly wider and shorter, which is better. You will also get more torque, although top end HP will be closer to the same.
No matter which way you go, you'll be fine, assuming you put it together correctly.
__________________
"After jumping into an early lead, Miles pitted for no reason. He let the entire field go by before re-entering the race. The crowd was jumping up and down as he stunned the Chevrolet drivers by easily passing the entire field to finish second behind MacDonald's other team Cobra. The Corvette people were completely demoralized."
Last edited by Anthony; 11-23-2008 at 04:39 AM..
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11-23-2008, 03:48 AM
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CC Member
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Join Date: Mar 2001
Location: E BRUNSWICK N.J. USA,
Posts: 3,841
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Not Ranked
What gears and trans are you using
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11-23-2008, 04:54 AM
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CC Member
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Join Date: Jul 2005
Location: Virginia Beach, Va & Port Charlotte, Fl.,
Posts: 2,282
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Not Ranked
Quote:
Originally Posted by RICK LAKE
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Still got a buzz on Rick??
__________________
Too many toys?? never!
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11-23-2008, 06:36 AM
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CC Member
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Join Date: Nov 2004
Location: Grand Rapids,
Mi
Cobra Make, Engine: Hurricane 427S/C, KC/Pond aluminum 427/482 SO, TKO 600
Posts: 597
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Not Ranked
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11-24-2008, 02:51 AM
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CC Member
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Join Date: Mar 2001
Location: E BRUNSWICK N.J. USA,
Posts: 3,841
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Not Ranked
I have the FLU
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11-24-2008, 08:41 AM
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CC Member
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Join Date: Jul 2005
Location: Virginia Beach, Va & Port Charlotte, Fl.,
Posts: 2,282
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Not Ranked
Quote:
Originally Posted by RICK LAKE
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I know, fighting the same crud myself.. Mine hasn't gone to my fingers though.. Get well buddy!!
Dave
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