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Old 09-15-2010, 08:54 PM
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Jetting a Holley 0-1850S

Hi guys, I have a holley carb 1850 with non adjustable non-adjustable float that I bought 1 year ago that's was working great until the last 2 months, so I decided to take a look, replace or tune the power valve and jets according to holley advices. In this site tgsperformance.com says that the 1850 vac sec comes with the #66 jets and 6.5 PV. So, because I live in a town above 2500ft the sea level, I got the #65 to replace the ones in the carb. I took a look inside the carb and the PV was 6.5 but it came with #64 jets not #66, I still replaced the PV and intalled the #65.
So my Question is: Did I did the right thing?
If this comes with #64 this means it was calibrated at sea level with these jest?
should I install #63, change back to #64, or keep the #65?


The car is running better, responds smoothly and good cold starts

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Old 09-16-2010, 01:16 PM
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Quote:
Originally Posted by V305
So my Question is: Did I did the right thing?


The car is running better, responds smoothly and good cold starts
I think you answered your own question. If you're happy with the results then you did the right thing.
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