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| Jet size for single barrel Holly carb https://slantsix.org/forum/viewtopic.php?t=55596 |
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| Author: | dodgedarren [ Fri Jun 13, 2014 4:22 pm ] |
| Post subject: | Jet size for single barrel Holly carb |
I have a stock single barrel Holly carb on my 71 Dart with Slant 6. I did a 30 over bore and RV cam. What size Jet do you recommend to replace the stock jet with? Any advice will be appreciated. Darren |
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| Author: | DusterIdiot [ Fri Jun 13, 2014 5:49 pm ] |
| Post subject: | What Holley? |
There were 2 different Holley 1 barrels available... The original Holley 1920 for your car with the front hung float bowl would do great with a #57 or #58... If it's a later Holley 1945 with the dual floats inside the carb body...install a #61 and reset all the linkage per the rebuild kit instructions as a 1976 Car. -D.Idiot |
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| Author: | JesseO [ Tue Jun 17, 2014 10:09 pm ] |
| Post subject: | |
I agree with the 57 58 size jets for the fron hung float holley. I run bigger but here in Bristol tn. with headers and good exhaust it likes it. Jess |
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| Author: | Aggressive Ted [ Wed Jun 18, 2014 4:40 pm ] |
| Post subject: | |
For a little more consistent economy I run a #56 with 2.5" exhaust. It bumps the mileage on short 4 to 8 mile hops from 20 to 22.5 mpg. On trips it jumps way up there.....25 mpg plus if I don't drive too aggressively! That is comparing it to a #57. |
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