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03-21-2011, 12:17 PM | #1 |
Senior Member
Join Date: Jul 2010
Location: Shelbyville TN
Posts: 174
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Speedway 97 kits
If you purchase a Speedway 97 rebuild kit------BEWARE!!!!
We just went through rebuilding six 97s on a SB GM. Replaced all six pumps and the needle/seats. The only parts usable were the gaskets. None of the needle/seats would shut off the fuel into the bowl----even at 1 psi. The accelerator pumps would not work until the carb was opened up half way. Ended up getting pumps out of a 40 year old spare parts box----they worked fine! Just Monday morning grumbling time! |
03-21-2011, 12:26 PM | #2 |
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Join Date: Nov 2010
Location: Sacramento
Posts: 47
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Re: Speedway 97 kits
I had issues with the pumps falling apart. No issues with the needle and seats..
Duane.
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03-21-2011, 07:33 PM | #3 |
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Join Date: May 2010
Location: Wa.
Posts: 5,409
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Re: Speedway 97 kits
If you run the neoprene/viton tipped needles you can run 6 lb. fuel pressure and they will never leak...If yours is a racing application, it takes at least 6 lb. to keep the bowl full at full throttle.
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03-21-2011, 10:00 PM | #4 |
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Join Date: Nov 2010
Location: Sacramento
Posts: 47
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Re: Speedway 97 kits
6 lbs of fuel pressure on a Stromberg 97???????????????????
Duane.
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03-22-2011, 12:43 AM | #5 | |
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Location: Wa.
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Re: Speedway 97 kits
Quote:
You will notice the fuel pressure gauge sitting on 8 lb. and the engine is not running..It had been sitting there about 10 minutes when that pic was taken. Most modern carbs run similar type needles. Strombergs have served me well over the years from completely stock ones on restorations to all out modified floatless ones running 100% nitro which by the way showed equal dyno hp to a set of Hilborn injectors. |
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03-22-2011, 05:12 AM | #6 |
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Location: Georgia
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Re: Speedway 97 kits
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03-24-2011, 01:11 PM | #7 |
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Join Date: May 2010
Location: Kansas
Posts: 334
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Re: Speedway 97 kits
Float are generally too small to handle over 4lb. But if they work great. Mine won't hardly hold 2 1/2.
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03-24-2011, 07:37 PM | #8 | |
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Join Date: Nov 2010
Location: Sacramento
Posts: 47
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Re: Speedway 97 kits
Quote:
Duane.
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03-26-2011, 09:52 PM | #9 |
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Join Date: Aug 2010
Location: DEUCEVILLE
Posts: 81
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Re: Speedway 97 kits
I just rebuilt my 97 also with speedway kits and i ran into the same thing
I had to use my old needle and seats and the jet plug gasets are tight and still leak I do not recomend speedways carb kits |
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