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  1. Petzschler

    Holly Jets vs Demon Jets size's clarification

    paid Ryan just over $1000 for a set of J-heads. when i got my J heads back from him, they flowed like crazy. i was impressed.. something like 260-270cfm around there. when we put them on the motor... fell flat on its face. the motor was good and ran 12's with pretty much stock J-heads. when Ryan...
  2. Petzschler

    Holly Jets vs Demon Jets size's clarification

    Don lied?!?! go figure LOL! how do you think he sells all those "magically" re-packaged MoPar ECU's? lmao. the three amigo's FBO, BJR, and Shadey Dell, are IMO the biggest BS artists out there. glad you got it sorted out.
  3. Petzschler

    Carb recommendation needed

    actually, thermobogs are awesome carbs! theres a guy on moparts.. demonsizzler (not sure if he posts here) who builds and sells absolutly flawless TQ's for customers specific engines. and there cheap to boot. try looking him up.
  4. Petzschler

    Air bleeds

    without airbleeds the engine would run richer as rpm increases unless the carburetor could correct the fuel/air ratio. this is done by the airbleeds introducing air into the fuel before it leaves the nozzle. it also improves atomization.
  5. Petzschler

    Single or Dbl Barrel?

    try to find the intake and carb from the "SUPER SIX" 225cid engine pkg. think I seen a couple on Ebay.
  6. Petzschler

    Carb not getting Fuel

    sounds like the mech. pump wasn't priming itself. sometimes its a ***** to get it going.
  7. Petzschler

    Holley Carb & Fuel line question...

    those are there if you want a recirculating fuel system. It shouldn't be drilled and tapped.. unless somebody already did that.
  8. Petzschler

    fuel cell help

    braided 8AN line. one -8AN to -6AN tapered flare fitting (return). one -8AN to -8AN tapered flare fitting (feed). 20' -8AN line (feed). 20' -6AN line (return). this is for my setup with electric fuel pump. no idea for a mech. pump. should be close. cheers
  9. Petzschler

    funny thing about AVGAS..

    I do believe the LL stands for low lead? 64dartwagon, you mean it has extra oxygen molicules in the fuel?
  10. Petzschler

    funny thing about AVGAS..

    are you talkin about JP-8?.. thought only diesels ran that. what benifit would that be for a gas engine? cheers. *RADIO EDIT* nevermind.. just reread your answer LOL
  11. Petzschler

    funny thing about AVGAS..

    reading the Sticky Thread and it reminded me about something.. friend of mine runs a small local airport. long story short.. been filling up every other week with 100LL green in my 99 Cavalier for the past 2 months now. 3 things I've noticed: 1. A power increase (prolly due to the comp...
  12. Petzschler

    Fuel Pump Mounting

    1/2" at least.. put a crayon mark on the pipe closest to the fuel line, if it dosn't melt after 10mins @ 1000rpm or so, your safe. AS far as mounting the fuel pump, best bet scenario would be to put a fuel cell in the trunk, and mount the pump(s) to the frame. use rubber isolators. let gravity...
  13. Petzschler

    850 Demon Carb Help

    CARB TUNING 101: Most people have trouble with Holleys because they don`t learn how to adjust them & they don`t run right out of the box ever!! They are far more adjustable than anything else but this is what screws up most people as they don`t understand what to adjust to get what result or...
  14. Petzschler

    Fuel Line Cleaning??

    yes. put at least 1/2 tank of fuel, then add about a liter of acetone. it will clean EVERYTHING. change the fuel filter when the tank is empty.
  15. Petzschler

    carb. suggestions!!!!!!!!

    the proper way to determine engine VE is as follows: ~ theoretical cfm = rpm x displacement / 3456 ~ volumetric effciency = actual cfm / theoretical cfm x 100 this is only good if you have an access to an engine dyno. otherwise, this will get u in the ballpark much better then the .85...
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