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  1. KnuckleDuster

    Weird, sudden AFR issue Proform 750cfm!

    Been tuning on this carb all weekend. Here is how it is set up right now. It is on an Airgap with 1" Edelbrock wood spacer. Jets Primary - 70 Secondary - 84 Power valve - 8.5 PVRC - .037 Squirters - 31/31 Pink cams on #1 holes HSABs - 31/31 stock IABs - 70/70 stock IFRs - 31/31 stock setup in...
  2. KnuckleDuster

    AEM AFR meter on the fritz!

    Start the car and it reads fine, blip the throttle and the dot pegs full lean and shows three dashes on the digital readout. Stays that way unless I turn the car off and restart, then does it again. Anybody know why or how to remedy? Unit is about 1 yr old and was working fine until today.
  3. KnuckleDuster

    Throttle shaft vacuum leak on new Proform carb!

    Carb is 750 Street Series mechanical secondary, pn 67213. It's less than two years old, but it was sitting drained for 5 months while I had the car apart. Now it whistles at the throttle shaft, and is affecting idle settings. I think I just need the Teflon ribbons, but unsure which size or...
  4. KnuckleDuster

    Who has good fuel lines these days?

    I need to get either a 5/16 fuel line or a 1/4" return line for my 72 Duster. Last time I bought lines was transmission lines from Inline Tube and was not happy with the lines or their customer service. Not to mention theirs and Fine Lines websites both suck... Who have you folks used and had a...
  5. KnuckleDuster

    Tuning a Proform/Holley carb, what parts and tools?

    Getting ready to start tuning my Proform 750 Proform 67213: Street Series Mechanical Secondary Carburetor 750 cfm with Electric Choke | JEGS I have couple of books for reference, but what are some other good sources for tuning info? I am getting ready to order jets, gaskets, power valves...
  6. KnuckleDuster

    Teflon sealant for AN fittings?

    I've never used any on the few I have and haven't had much trouble, but I am putting a bunch more on the car today and don't want to be chasing leaks. What do you guys use that I cand find at a local parts store?
  7. KnuckleDuster

    Fuel regulator plumbing to Edelbrock carb pics needed.

    Trying to map out how I am going to plumb a -6 AN braided line from my Carter 6902 to a Quick Fuel dead-head regulator to a pressure guage and Edelbrock filter to Edelbrock 800 carb. Since I can't get AN fittings locally I need to make sure I get all the right parts on the first try! Pics of...
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