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Re: Jet changes-tell me your thoughts
[Re: Dads426]
#371895
07/11/09 09:08 AM
07/11/09 09:08 AM
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Joined: Jan 2003
Posts: 16,929
NC
440Jim
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 16,929
NC
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Quote:
I remember in the Junior Dragster (Nitro Fish car) running a little rich worked pretty well.
Rich is fine with alcohol, and it will make max power on gas, but a touch leaner than max power should be more consistant with gas (around A/F 12.3-12.9) depending. There is no magic in a number, the combo will tell you with testing, and they do vary.
Jamie, you need to go to a test and tune and make several jet changes to see the trend. I like to change jets by 2 numbers at a time (76 to 78, etc) Yes, it takes a lot of testing, but that is how you know what works with your parts.
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Re: Jet changes-tell me your thoughts
[Re: 440Jim]
#371896
07/11/09 10:26 AM
07/11/09 10:26 AM
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Joined: Jan 2003
Posts: 32,394
Quicktree
I Win
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I Win
Joined: Jan 2003
Posts: 32,394
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Quote:
Quote:
I remember in the Junior Dragster (Nitro Fish car) running a little rich worked pretty well.
Rich is fine with alcohol, and it will make max power on gas, but a touch leaner than max power should be more consistant with gas (around A/F 12.3-12.9) depending. There is no magic in a number, the combo will tell you with testing, and they do vary.
Jamie, you need to go to a test and tune and make several jet changes to see the trend. I like to change jets by 2 numbers at a time (76 to 78, etc) Yes, it takes a lot of testing, but that is how you know what works with your parts.
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