Needle / Seat For Holley With Lemans Bowls

[FredG]

It was a long way out because the previous owner messed with it. Given the car was 4 years old and only had 1100 miles, it needed a good cleaning. For anyone who has experience working on carbs, its pretty easy to tell when someone was in there ahead of you. Wrong jets, wrongpower valves, accelerator pump out of adjustment. Floats out of adjustment....etc. I entertained replacing it but enjoy a good challenge. One full rebuild kit,hi flow power valve for the primaries and blocked off the power valve for the secondaries. I even contacted Rush because I thought an 870 cfm would be to bigon a 427r. Runs like a top now.

[Gaz64]

So if it had wrong jets, and now you have added a sec PV plug, did you increase sec main jet size from the factory jetting to compensate for no sec PV?

Did this carb even come with a sec PV to start with?

Sorry to the OP for thread deviation.

Gary

[FredG]

Yes. It comes with one from the factory. If you block it off, rule of thumb is 8-10 higher.

[Gaz64]

Originally Posted by FredG

Yes. It comes with one from the factory. If you block it off, rule of thumb is 8-10 higher.

Yes, that's correct, rule of thumb, just checking, didn't want you going lean.