<VV> 140 carb jet sizes
UltraMonzaWest at aol.com
UltraMonzaWest at aol.com
Sat Oct 15 10:59:28 EDT 2005
In a message dated 10/15/2005 7:20:42 AM Pacific Daylight Time,
Jebfmc at aol.com writes:
> Hi All,
> I have a 1966 140 4-speed convert, no smog heads, no A/C. My info
> suggests main jet size is 0.050 and secondary carb jet size is 0.046. I am
> not
> completely satisfied with the performance (not smooth at acceleration 2000
> RPM to
> 3000 RPM and some hesitation/lurching as secondaries kick in. I want to
> know if anyone else is using jet sizes different from factory recommended
> sizes
> to get smooth acceleration and secondary transition.
>
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Welcome to the group! Yes, gasolines are formulated much differently
today....mainly they're oxygenated....less gas in a given volume.
I hear most are running 52 /50 but I'd try leaving the 50's up front
and put the 52's in the secondaries.....
Matt Nall / Patiomatt / WCUH / Mr. DeckRug
69 Monza Cpe., 66 Monza vert, 65 Crown v8 Cpe.
Somewhere between Reno, NV and Coos Bay, Or.
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