03-27-2006, 09:08 PM
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Senior Club Cobra Member
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Join Date: Oct 2004
Location: Roanoke,
Tx
Cobra Make, Engine: 2002 Lone Star Classics LS427, 428 CJ engine stroked to 464, 580hp/590tq at flywheel
Posts: 557
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Not Ranked
All,
I had mine dynoed at Keith's and had 580hp/590 tq. I have not done a chassis dyno yet - I have been changing some stuff myself before taking it, but it is next on my list. I have a 6000 chip in my MSD. I have about 900 miles on it and until this weekend only ran it hard to 4000 or so and it was what I thought as UNBELIEVEABLE to 4000. I did have the opportunity this week end to crank it up above 4000 and I have been missing the best part!!! The engine literally comes alive above 4000 and pulled hard, so hard that I was immedietly getting into 4th and bumping 100 - like before I knew it! The sound is also WAY COOL!
I never hit the rev limiter. I have mine geared for about 145 or so top end (6000 RPM). Don't think it would have taken but a fist full of seconds to be there either!
My build included all new rotating assembly, Erson rollers, Edelbrock stage II heads, port matched edelbrock intake and my demon 750 dynoed to within 5 HP of Keith's "race carb".
Engine is a little choppy cruising below 15-1700, but is very manageable with my gearing. I am running 3.25 in the rear with TKO 600 with .84 5th. Idle is nice at 800 (rocks the car a little which I like). Really a nice combo.
Jim - your has to be really crazy with another 100 horses more than mine!!!!
Man it is fun.
Bruce
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