Now that you have passed emissions...stick a #60 in it and drive it with some power...
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| Fuel Jet Help https://slantsix.org/forum/viewtopic.php?t=39066 |
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| Author: | BlueBandit [ Sat Feb 20, 2010 11:28 am ] |
| Post subject: | Fuel Jet Help |
my carb is a 1945 holley and it has a #199 main jet. When I get it emissioned here in utah it is a little rich and won't pass. I was wondering what jet you would recomend to make it a little leaner since i can't find any numbers like the one on my jet to go off of. |
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| Author: | Aggressive Ted [ Sat Feb 20, 2010 11:43 am ] |
| Post subject: | 1945 jet sizes |
That is the wrong #. If it were true that jet would be huge! In 1974 they came with a 612, jet a close tolerance 61. You could install a 60 all the way down to a 58 to lean it out. |
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| Author: | SlantSixDan [ Sat Feb 20, 2010 12:03 pm ] |
| Post subject: | |
I wonder if that "199" is really an upside-down "661", which would be an enormous jet. |
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| Author: | BlueBandit [ Sat Feb 20, 2010 12:34 pm ] |
| Post subject: | |
The #1 can't be upside down cause it looks just like this (1) not just a one. I have done the HEI mod and 2 1/2 inch exhust but not much else. I am at an elevation of about 4500 feet. Can I try any of those jets as trial and error or does anyone have an educated guess as to which one I should start with. Appreciate all the help you guys give. |
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| Author: | SlantSixDan [ Sat Feb 20, 2010 12:37 pm ] |
| Post subject: | |
Well, start with a new #58 jet (you can't buy the 3-digit jets in the aftermarket) and see how you go with it. Or if the whole carburetor's questionable, install a better one. |
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| Author: | BlueBandit [ Sat Feb 20, 2010 12:46 pm ] |
| Post subject: | |
What Carbs would you recommend if I went with a new one |
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| Author: | SlantSixDan [ Sat Feb 20, 2010 1:00 pm ] |
| Post subject: | |
Send me a PM with full detail about your car and I'll see what I have in stock. Do not buy a "remanufactured" carburetor; they're junk. |
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| Author: | BlueBandit [ Mon Mar 29, 2010 3:20 pm ] |
| Post subject: | |
The Jet that had a 199 on it when measured was close to a 64. I put a 58 in it and it passed emissions perfectly. Thanks guys. |
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| Author: | DusterIdiot [ Mon Mar 29, 2010 6:14 pm ] |
| Post subject: | Lol... |
Now that you have passed emissions...stick a #60 in it and drive it with some power...
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| Author: | BlueBandit [ Tue Mar 30, 2010 6:33 am ] |
| Post subject: | |
I've already swapped it back over and I love this truck |
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