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Old 01-16-2015, 12:04 PM   #101 (permalink)
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According to my calculator, you'd have to drive 114 mph 24/7 to hit a million miles in a year. No time off for coffee or even fuel.

No time off for pulling over to receive your speeding tickets.

Yes, that was really the one thing I pulled out of this thread.

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Old 01-16-2015, 10:18 PM   #102 (permalink)
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I had always heard that Smokey scaled it to 7/8ths, but since the car is said to have been found and restored, the pictures I have seen look full size.
Reducing the car by an 8th would make headlights, etc, look freakishly large.
Look up Canapa Design for the car and the story.
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Old 01-18-2015, 07:54 AM   #103 (permalink)
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This is something I'm curious to watch, so subscribing.

I think your best bet without spoiling the lines of the car are the undertray and full moon hubcaps. You can also pull a few stunts like run narrow section tyres (like it probably came out with, actually), and maybe make half rear wheel covers (like the caddy's used to have way back when).

The front bumper is *way* higher than the lowest point between the wheels, so there is no harm with some kind of lip/spoiler/skirt there.

Rear window is tricky. I think some kind of 'sun shade' could be fashioned that is smooth, rather than the abrupt transition to the rear glass, somewhat like a 'kamm back' but not as long. Someone previously mentioned this.

Back to the tyres, are you going to be running high efficiency tyres?

And what mpg did the chevelle get stock, with its most economical engine?
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Old 01-18-2015, 04:59 PM   #104 (permalink)
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According to one owner's claims that I found, about 18mpg was typical. That was with the thrifty straight six 230ci engine, the lossy two-speed Powerglide, and low-buck high-strength taxi equipment, so figure the middle rearend, somewhere along the lines of 3.55 or 3.73:1. The Chevelle was available with a 3.31 all the way up to a 4.88 LSD, but you can figure that only went into the cars headed for the dragstrips.
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Old 01-19-2015, 07:49 AM   #105 (permalink)
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That seems to be a huge amount in fuel, until I realise that old cars had

Less gears
No lockup
Carbies
No fuel cut
Fixed cam timing
Poor torque characteristics
Poor combustion characteristics
Less compression
Horrible horrible engine airflow
Constantly driven fans
Etc. etc. etc.


All of these things are being fixed now...
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Old 01-19-2015, 07:57 AM   #106 (permalink)
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My '59 Bel Air 283 Powerglide can get 20 so a stock Chevelle ought to be able to equal or exceed that.

IIRC my '74 Nova 283 Turbo Hydra-matic got 24 @ 55 mph cruise.
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Old 01-19-2015, 10:22 AM   #107 (permalink)
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I never checked to be sure, but I would have guessed my car could have gotten in the low 20's with the 283/Powerglide. It came with 3.07 gears which I believe most but SS cars came with.
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Old 01-30-2015, 04:30 PM   #108 (permalink)
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Quote:
Originally Posted by elhigh View Post
According to my calculator, you'd have to drive 114 mph 24/7 to hit a million miles in a year.
Actually, you need 114.16 mph. A mere 114 mph would leave you 1360 miles short after the continuous 8,760 hours of driving.

And this would need to be the average speed between stops for fuel.
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Old 01-30-2015, 05:50 PM   #109 (permalink)
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low 20s

I had a '67 El Camino with the 325-hp 396 and slushbox.
If I kept it at a steady 55-mph,she could do 18-mpg.
With a 'roof' and small block,low 20s seems real.
My brother's '56 Chevy with 283/4-spd Muncie would see 22-hwy.
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Old 02-10-2015, 04:07 AM   #110 (permalink)
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Okay, so then how does this Camaro achieve 0.201 cd?

Car Aerodynamics - Hot Rod Magazine

from:
http://ecomodder.com/forum/showthrea...you-10166.html

And?

"The biggie: windshield rake: According to Eaker, "Here's a myth I can bust. Once the windshield is past 45 degrees of rake-and many stock cars average like 60 degrees-you will not see an improvement from laying it down at an even steeper angle." We proved this on the Camaro, building a hugely sloped "windshield" out of foam core. It did nothing."

45*- old car territory.

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