To those more knowledgeable than I,
I currently have a Racing Beat 465CFM Carburator and Intake on my streetported 12A Mazda RX2 (RX7 motor with Electronic Ignition). I am having an extreme studder right off of idle, at about 1500 - 2500 RPM. Obviously, in any gear, this is at the RPM range where any type of normal cruising speed makes life pretty miserable. I noticed that there is no power valve in this carburator, and that there is a power valve cap. Could this be the culprit to my problem, or does anyone think it may be something else? If those of you that have knowledge about this type of subject could supply me some advice, I would truly appreciate it. In doing research on the subject, most responses lead to the power valve cap being applied for racing conditions, and I am simply wanting a street cruiser that still has the ability to take down a few of those arrogants that know nothing about these nostalgic Mazda sleepers!!!!
If any think that it is a power valve issue, can you advise me what a typical streetported 12A needs for a power valve, as there are many different sizes available.
Thanks so much for the help!