So, want to verify if my simple mind grasps this correctly:
- First, I have the ProForm main body on the carb, having replaced the original Holley 4150-9379 - which had the fixed air bleeds that you'd have to drill out. On the Proform it does have screw in removable brass bleeds that kind of look like small main jets.
- Second, changing the idle bleeds won't fix my idle problem ie not enough air getting by the throttle plate to keep me from having to screw the idle stop screw all the way in, and thus causing problems by exposing too much of the transfer slot. As I understand it from some reading, the idle bleeds basically let a given volume of air into the circuit which controls how much air is mixed with the fuel in the idle system, and I guess how rich the idle mix is.
The Mike Urich book seems to say a couple of times to just stay away from the air bleeds. As such, I guess I'm now in for drilling the throttle plates with 3/32 holes - as the old ones had.
On the secondary power valve topic. As I start thinking about it, I don't think the metering block for my secondaries has the PV channel restriction holes drilled in it. As such I would have to get a new metering block. Can anyone tell me if that would be worth it? I'd probably then be getting really close to the cost of that new BG carb
Thanks!
Scott