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Old 02-12-2001, 08:31 PM
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Default Why a white bottom?

I am curious why the old time drag/street racers painted the undersides of their cars white. I know that Don Fezell's Strickler Z11 is white, and some Yenko Novas were painted white as well. I had heard that it was for heat dissapation?? Is this true? If so, how?
Marlin
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Old 02-12-2001, 08:56 PM
JoeC JoeC is offline
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Default Re: Why a white bottom?

A light color will reflect more heat, but I have read that some people would paint the underside white so an oil or fuel leak would be more visible. The white may also have been done for "style" back in the day.
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Old 02-12-2001, 09:47 PM
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Default Re: Why a white bottom?

I read somewhere (MCR interview with Jenkins ?) that the Strickler car was painted to easily find cracks in the frame and suspension.
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Old 02-12-2001, 10:07 PM
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Default Re: Why a white bottom?

I know Bob Hamilton's 1970 Drag Chevelle "Red Alert" had the engine block painted Yellow so any oil leaks would be easily visible.
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Old 02-12-2001, 10:39 PM
Belair62 Belair62 is offline
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Default Re: Why a white bottom?

68 I read the same thing years ago....Strickler etc. used white paint to make frame cracks more noticeable.Makes sense too.Not that a 62 frame would EVER crack.Much too tough for that !
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Old 02-12-2001, 10:57 PM
Chevy454 Chevy454 is offline
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Default Re: Why a white bottom?

There is a local truck puller here that is also in old Chevys, who insists on painting his driveshafts, and recommended it to me...it makes it a lot easier to tell if it's twisted or cracked.
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Old 02-13-2001, 04:16 PM
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Default Re: Why a white bottom?

I've seen the same thing with axle shafts,thet will twist sometimes 180 degrees!Thats torque!Anyone else gone to the old school?
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Old 02-13-2001, 08:16 PM
bowtie3168 bowtie3168 is offline
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Default Re: Why a white bottom?

Marlin,
I asked Bill Jenkins that same question at the "Mopar Parts Nationals" a few years ago. Mr. Jenkins told me that they did it so that they could work on the car easier while match racing. He said that when they would match race at some "back wood" tracks there would be little or no lighting, when the underside was white a small light would increase visability greatly. Bill also told me some of the "tricks" that they would use to stay ahead: they used a generator instead of a alternator, they would switch the generator off during the run and switch it on right after. The car had one airbag inside of one of the rear coil springs. Dave Strickler's Z-11 is thought to be #1, its aluminum hood has an unpainted underside.
Andrew
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Old 02-13-2001, 08:26 PM
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Default Re: Why a white bottom?

The responses are very interesting! I wish there were still old back woods tracks operating today. I am tired of waiting 4 hours on grudge night to get two runs in!
M
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70 Yenko Nova-350/360, 4speed M21, 4.10 Posi (Daddy's Ride)
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67 RS Camaro-327/250hp, 2speed Glide, &amp; 3.08 Open (Danny's Ride)
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Old 02-14-2001, 05:11 AM
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Default Re: Why a white bottom?

My Dad's 70-1/2 E/Stock Camaro had the firewall, bottom of the hood, and the underbody painted white for various reasons but mainly it was to reflect light. Some tracks he visited had very poor lighting at night, and when using only a drop light to work under the car, the light color allowed more light under the car as opposed to a dark color. (the car was a factory black car)The inside of the trunk and underdash were also painted white for the same reasons. He also painted the fuel tank white, so while sitting in those long staging lanes that were blacktopped, Bristol specifically, the white paint would reflect the heat from the pavement. Thus keeping the fuel cooler than if the tank was black. Just thought I would throw my two cents worth into this......Rat Pack...
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