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Old 01-20-2019, 05:16 PM   #1
Rich Biebel
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Default Re: Fly Weights

‘63 Olds Jetfire....Hard to believe one lasted that many miles. https://www.mecum.com/lots/SC0517-28...obile-jetfire/. They usually ended up parked due to way to many problems. A good looking little car though. F-85 body style. The Pro ET winner nationally this past year has one.
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Old 01-20-2019, 05:20 PM   #2
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Default Re: Fly Weights

My pick for a fly weight would be a 57 Corvette with the 283 hp fuel injected motor. A natural D car that would go into C at 2717. Not cheap and I don’t know how competitive it would be, but definitely cool!
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Old 01-20-2019, 05:24 PM   #3
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Default Re: Fly Weights

I have to wonder if NHRA would let you use the alcohol injection? If you look at the Mecum pictures, you can see the alcohol tank on the drivers side of the radiator.
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Old 01-20-2019, 06:22 PM   #4
Mark Yacavone
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Default Re: Fly Weights

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Originally Posted by Billy Nees View Post
I have to wonder if NHRA would let you use the alcohol injection? If you look at the Mecum pictures, you can see the alcohol tank on the drivers side of the radiator.
Probably wouldn't need it with the $20 approved fuel ;-)

The turbo cars had a side draft Rochester. Other models had a 4GC.

The suspension is similar to a Chevelle, but the coils are on the trailing arms, like a Fox body.

I doubt anything modern would bolt it to replace the Jet-a-Way (Slim Jim)
Probably could use a later Land Rover block that might have the B.O.P. pattern.
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Old 01-20-2019, 07:10 PM   #5
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Default Re: Fly Weights

You're (of course) right about the carb. Same as turbo Corvair, wasn't it?
As far as the alcohol injection, didn't they inject it into the turbo to cool it?!?

Looking at the pics, I guess they inject it into the carb..
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Old 01-20-2019, 07:39 PM   #6
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Default Re: Fly Weights

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Originally Posted by Billy Nees View Post
You're (of course) right about the carb. Same as turbo Corvair, wasn't it?
As far as the alcohol injection, didn't they inject it into the turbo to cool it?!?

Looking at the pics, I guess they inject it into the carb..
Actually, the Corvair used a Carter, but similar style.

Rather than lowering the compression, Olds decided to inject the fluid to cool the combustion..
I'd suggest using an MSD Boost Master timing retard control with this one ;-)
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Old 01-20-2019, 08:18 PM   #7
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Default Re: Fly Weights

https://forums.aaca.org/topic/108020...draft-rochest/. To complicated for 1963. I do recall at least one that came in the station I worked at. Plagued with problems. Engine and trans. The Slim Jim was poor in everything GM put it in.
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