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Old 07-02-2005, 10:48 PM
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FUNFER2 FUNFER2 is offline
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Join Date: Oct 2002
Location: Eagle, Ne.
Cobra Make, Engine: 1966 Lone Star 427SC.
Posts: 4,307
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On the chassis dyno, the power was over at 6,000 rpm. Well enough for a big block. At 3,200 rpm, torque was 401.06. Being a short wheel base car and weighing less that 2,400 lbs, there's not a need for all the HP/torque comming in at low rpm's. It shoots like a rocket. Any higher and it just loose's traction blowing off the tires. That's fun & all but, I want good bite. On the track, I launch the car at 2,300 rpm. The left front comes up apx. 7" & goes straight. It took like six runs to figure out what rpm, the four link set-up, engine tunning, gearing & tire combo needed for a good run. If I speed shift, I'm all over the track but, that's what happens with a short wheel base car but, it is fun !
I had enough of the racing fuel years ago with my Pro-Street Camaro. Costs too much & we like to travel in the cobra. Since we race Sprint cars & buy 55 gallon barrel's of alcohol at a time, I thought about going with alcohol but, where do you find it out on the road. I just use premium gas just so it's over 91 octane. There's really no difference between 91/92. As long as you stay under 10:1 compression, you should be fine. I do use racing gas at the track though.
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Kevin
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