How to Determine the Best Carburetor CFM Size to match your build!

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  • เผยแพร่เมื่อ 24 พ.ย. 2024

ความคิดเห็น • 10

  • @dewholdingsllc1050
    @dewholdingsllc1050 ปีที่แล้ว

    Thanks for the content. I’m trying to find better easier carb to rebuild and tune than the OEM autolite 4300 that came on my 72 429 Ford; probably a complimentary intake manifold also. Keeping it stock would be nice but so far the old 4300 isn’t really a good carb worth messing with. My 2cents.

  • @dynodon100
    @dynodon100 ปีที่แล้ว

    Electric motor ,gas engine .Just buy the H.P. book on Holley carbs. Money well spent. I bought mine in 1971.

  • @michaelgarrow3239
    @michaelgarrow3239 2 ปีที่แล้ว +2

    I have a Holly 1100 on my lawn mower…
    It’s good to 125,000 rpm

    • @FirstPlaceAutoParts
      @FirstPlaceAutoParts  2 ปีที่แล้ว +1

      and it will shoot grass clippings for 30 yards!

    • @kennethcohagen3539
      @kennethcohagen3539 2 ปีที่แล้ว

      Lol! Too funny. I have to ask though, how does that apply to large throttle bodies fuel injection setups.

    • @danhammer2690
      @danhammer2690 2 ปีที่แล้ว

      I have a 350 engine with vortec heads and just a standard jegs performer intake. I have a 600cfm edelbrock carb but it’s causing me TONS of annoying issues. I want to buy a new carburetor but the guy at holley said 600 was too big for my application and recommended a 450 cfm carb. You’re saying 600 for a 350 is about perfect… what should I get? I don’t race this car but I want it tho throw you in the seat like it does now when you show someone up on interstate. However I don’t want too big of a carb like holley says I have now

    • @michaelgarrow3239
      @michaelgarrow3239 2 ปีที่แล้ว

      @@danhammer2690 - lol: you are asking me?
      I suggest you immediately send me your Holly for an extended evaluation….
      I have a spare lawnmower carburetor laying around that is guaranteed not to bog off the line… (sorta).
      😎🤓

  • @doomman700
    @doomman700 ปีที่แล้ว

    Regardless of rating, you will only use the cfm the engine pulls.

  • @cuzz63
    @cuzz63 ปีที่แล้ว +1

    "Having too high of a CFM rating for the project the vehicle will run lean. Too low and the car will be running to rich."
    I dont think this is accurate. You adjust the amount of fuel to match the air so you arent lean or rich. too big you end up with a poor signal and as you stated hurts your throttle response.

  • @gila-clifffirewood5796
    @gila-clifffirewood5796 6 หลายเดือนก่อน

    That's an old, outdated, disproven equation for calculating CFM needed.