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#1
04-05-2024, 10:44 AM
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3 deuce jetting
Can someone tell me what is the most common primary carb jetting on a 66 GTO 3duece setup? 389 engine mild cam 4 speed.
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#2
04-05-2024, 03:19 PM
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If this helps you factory jetting for the center carb was #.063 .
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#3
04-05-2024, 03:19 PM
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1966 389/421 M/T center carb 7026075 uses 60° #62 jets, 7008662.
1966 389 M/T w/A.I.R. center carb 7036175 uses 60° #61 jets, 7008661. |
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#4
04-05-2024, 03:21 PM
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Quote:
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#5
04-06-2024, 11:47 AM
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OP there is a separate topic just for tripowers
might get you more exposure
__________________
Everything comes and goes Pleasure moves on too early And trouble leaves too slow |
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#6
04-06-2024, 11:50 AM
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My post came directly from the 1969 Pontiac parts book.
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#7
04-06-2024, 03:57 PM
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Thatīs odd, none of my books, 1970 Pontiac Master Parts Catalog or Delco Parts&Service manual #9 shows #63 jets for any 1966 Tri-Power center carb?
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