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#1 |
Senior Member
Join Date: Dec 2015
Posts: 554
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The Holley 94 8RT truck carb I just took apart had 52 jets in it. I have read on here that 51 jets are recommending and that is what I have in it now. Would I see a performance increase with 52 jets? It’s an 8BA bored 60 over with a 4” stroke.
JB |
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#2 |
Member Emeritus
Join Date: Nov 2012
Location: Wichita KS
Posts: 16,132
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You are looking for the best A/F ratio for the application. An A/F meter helps a lot. The idea jetting can vary based on all kind of factors.
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#3 |
Senior Member
Join Date: Dec 2013
Location: Minnesota, Florida Keys
Posts: 10,450
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I added an A/F meter to my test stand and found it quite valuable.
I have yet to put one on a car, and may never do so. |
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#4 |
Senior Member
Join Date: May 2010
Location: Oshkosh, Wi
Posts: 4,547
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What altitude are you at?
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#5 |
Senior Member
Join Date: Dec 2015
Posts: 554
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North Atlanta, 1,400 ft
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#6 |
Senior Member
Join Date: May 2010
Location: Chester Vt
Posts: 8,921
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Gramps |
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#7 |
Senior Member
Join Date: Jun 2010
Location: Detroit suburb, MI
Posts: 3,715
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The 94 type carbs came with some different sized jets over the years from '39 to '56.
Some had 52 jets. I would just leave it alone and see how it runs. Sal |
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#8 |
Senior Member
Join Date: May 2010
Location: Oshkosh, Wi
Posts: 4,547
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I would choose 51 jets, but you shouldn't have a problem with 52's.
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