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Old Nov 28, 2006 | 08:57 PM
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Nick_F150
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Holley 4160 jets

What size jets is everyone running in their 4160 390cfm carbs?
 
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Old Nov 29, 2006 | 12:10 AM
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i'd like to konw this too, i'm having problems.
 
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Old Nov 29, 2006 | 04:26 PM
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Stock is supposedly a size 51
 
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Old Nov 29, 2006 | 04:34 PM
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Nick F150 is correct, according to the holley list numbers it has a 51 primary jet and a 34 secondary.
 
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Old Nov 29, 2006 | 07:51 PM
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Hey WoomaHodal,

Your carb is facing a diff. dirrection then mine my primaries are on the engine side.... I wonder if mine is wrong...
 
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Old Nov 29, 2006 | 09:56 PM
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Originally Posted by Nick_F150
Hey WoomaHodal,

Your carb is facing a diff. dirrection then mine my primaries are on the engine side.... I wonder if mine is wrong...
no, technically primaries are supposed to be towards the engine, but i had to reverse it to make my cables work right. my heater/ac stuff was in the way. i cant really tell a difference (but i'm also experiencing big problems with backfiring and timing).
 
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Old Nov 30, 2006 | 09:16 AM
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Okay thanks I was a little worried there for a sec. But I took apart my carb last night and it has size 51 main jets so im going to jet down to a size 40 and see if my gas millage improves
 
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