C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Aug 6, 2013 | 07:44 PM
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i had a 454 engine rebuilt by bob's speed shop in fort lauderdale for a 72 coupe project i finished a while back. it ran ok, but was too rich. i scored an unmolested q jet off the bay and rebuilt it according to lars' recommendations. i hadn't driven the car much since the carb job, but today i took it out. now, i know it's got 3:70 gears and a wide ratio 4 speed, but-when i nail it in first at about 20 mph it just spins the tires. i know it's only got stock width tires, but it impressed me! thank you bob and lars!!
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Old Aug 7, 2013 | 07:28 AM
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Hi jnb,
So it really is TORQUE that's FUN on the street, more than horsepower!
Regards,
Alan

I remember my 68 GTO, 400/350 had 445 ft/lbs of torque at 3000 rpm.

Last edited by Alan 71; Aug 7, 2013 at 07:33 AM.
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Old Aug 7, 2013 | 09:08 AM
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Originally Posted by jnb5101
i had a 454 engine rebuilt by bob's speed shop in fort lauderdale for a 72 coupe project i finished a while back. it ran ok, but was too rich. i scored an unmolested q jet off the bay and rebuilt it according to lars' recommendations. i hadn't driven the car much since the carb job, but today i took it out. now, i know it's got 3:70 gears and a wide ratio 4 speed, but-when i nail it in first at about 20 mph it just spins the tires. i know it's only got stock width tires, but it impressed me! thank you bob and lars!!
My vette was eating treads in first and second gear start with 4.11 rear so i went and purchased street slicks.

have fun!
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Old Aug 8, 2013 | 05:06 PM
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I have a 468?(454 30 over) with 411 gears and an M21....If I had stock tires on it, they wouldn't last a month.
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Old Aug 9, 2013 | 09:55 PM
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What brand clutch do you have in it? I'm putting together a 496 for mine next year with a T10 4 speed.
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Old Aug 10, 2013 | 09:51 AM
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standard gm delco 11" replacement.
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Old Aug 10, 2013 | 10:26 AM
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Originally Posted by jnb5101
standard gm delco 11" replacement.
Thanks. That's what is in the car now
I'm thinking of going with a centerforce dual friction but was wondering if I should go up to the centerforce DFX clutch set up?
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