Tech Tip
Tunnel Ram Carburetors

Good tunnel ram carburetors have special requirements. Chuck Nuytten is very experienced in using multiple carburetors on tunnel ram applications. Air flow and booster signals of each carburetor venturi must match to perform as a team. Our tunnel ram carburetors utilize custom circuitry for the best response and power. Chuck Nuytten tunnel ram carburetors also have matched linkages and special accelerator pump geometry

650-2003TR
  • Model 4150
  • Dual 30cc accelerator pumps
  • Two or four corner idle
  • 2003 Labor
  • Special tunnel ram circuitry
  • Calibrated for gasoline

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750-2003TR
750 cropped B

  • Model 4150
  • Dual 30cc accelerator pumps
  • Four corner idle
  • 2003 Labor
  • Special tunnel ram circuitry
  • Calibrated for gasoline

750-2004TR
  • Model 4150
  • Dual 30cc accelerator pumps
  • Four corner idle
  • 2004 Labor
  • Special tunnel ram circuitry
  • 1 3/4” throttle bore diameter
  • Calibrated for gasoline

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1050-4003TR
  • Model 4500
  • Four corner idle
  • Dual 50cc accelerator pumps
    Dom Old Bowl Crop C
  • Screw in air bleeds
  • 4003 Labor
  • Special tunnel ram circuitry
  • Calibrated for gasoline

1050-4004TR
  • Model 4500
  • Four corner idle
  • Dual 50cc accelerator pumps
  • Screw in air bleeds
  • 4004 Labor
  • Special tunnel ram circuitry
  • Calibrated for gasoline
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1150-4003TR
  • Model 4500
  • Four corner idle
  • Dual 50cc accelerator pumps
  • Screw in air bleeds
    Dom Shiny Bowl Crop A
  • 4003 Labor
  • Special tunnel ram circuitry
  • Calibrated for gasoline

1150-4004TR
  • Model 4500
  • Four corner idle
  • Dual 50cc accelerator pumps
  • Screw in air bleeds
  • 4004 Labor
  • Special tunnel ram circuitry
  • Calibrated for gasoline
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1250-4003TR
  • Model 4500
  • Four corner idle
  • Dual 50cc accelerator pumps
  • Screw in air bleeds
  • 4003 Labor
  • Special tunnel ram circuitry
  • Calibrated for gasoline

1250-4004TR
  • Model 4500
  • Four corner idle
  • Dual 50cc accelerator pumps
  • Screw in air bleeds
  • 4004 Labor
  • Special tunnel ram circuitry
  • Calibrated for gasoline