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05-16-2018, 02:59 PM | #1 |
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Join Date: Jul 2010
Posts: 70
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stromberg jetting suggestions
preparing an engine to go in my '32 roadster; 284, L-100, vintage tall tattersfield with a pair of newly rebuilt '97s from uncle max.8-1/2 cr. where would a good starting point be. just want to go down the road, not bonneville. thanks for your ideas!
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05-16-2018, 03:00 PM | #2 |
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Join Date: May 2010
Location: Oshkosh, Wi
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Re: stromberg jetting suggestions
Check with Max.
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05-16-2018, 03:18 PM | #3 |
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Location: western Mass
Posts: 365
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Re: stromberg jetting suggestions
generally a good place to start with 97's is stock jets...
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05-16-2018, 03:18 PM | #4 |
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Join Date: May 2010
Location: Illinois
Posts: 2,183
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Re: stromberg jetting suggestions
JWL found best jets for 2 Strombergs on the dyno with stock 239 were .046.
Many reccomend smaller. I have a 276 and found you really have to watch for detonation. His book is helpful and discusses jetting in detail. John |
05-16-2018, 05:47 PM | #5 |
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Re: stromberg jetting suggestions
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05-16-2018, 06:57 PM | #6 |
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Re: stromberg jetting suggestions
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05-16-2018, 09:25 PM | #7 |
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Join Date: Dec 2014
Location: Santa Maria, CA
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Re: stromberg jetting suggestions
Hmmm...my '41 with a Stromberg came in from Albuquerqe...I am close to the Pacific - should I change the jets?
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05-17-2018, 10:48 AM | #8 |
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Join Date: Jun 2014
Location: Williamsburg, VA
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Re: stromberg jetting suggestions
From looking at the grayish insulators on the plugs, my 284 59A/B with 3 97's with stock .045 jets on progressive linkage runs a little lean, but very well. Great acceleration. No backfiring through the exhaust. Getting 17 mpg on the Interstate. I am usually near sea level and have not run it at elevations above 2000'. So I would say that .045 would be a good starting point.
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