Drilling jet out

[technoid]

Originally Posted by Raised ruckus

Hello everyone, I'm trying to get some opinions on drilling out my main jet. I have been reading posts and everyone seems to say drill it out with bits anywhere between .046 thru. .052. Any recommendations? All I have done was remove the filter box and installed a filter to the Carb. But it seems to bog unless I leave the coke open.

If you plan to drill a jet out you should pick a drill below a reamed size. Just drilling leaves small score marks inside the hole that will not allow the fuel to spray even. You need to ream the hole after drilling.

[Mike Mac]

Tech, knowin you, your probably right on that, but on a golf cart, I'm with Changa! Just getting it close will do!

Here is mine with a gutted air box, using the stock filter and foam only. The jet is drilled out to .042. This plug has been in close to 3 yrs. and getting close to 4000 mi. This is at 1100 ft elevation and a stock muffler. This car is driven on the street these days, on a daily bases, for miles at a time over 22 MPH. carrying 4 people (kids). Bottom end and mid range is improved with this mod.

[Raised ruckus]

Yeah I decided to forget about drilling it anymore. I ordered a new Carb and high performance jet. Save me some time. Figure the Carb is already 25 yrs old you know.