750 CFM Speed Demon Carburetor

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Part
Demon SPD-750-MS
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Mechanical Secondaries
Down Leg

The next generation of Speed Demon™ carburetors have arrived. The new aluminum Speed Demon™ series is the most formidable performance street carburetor available today and it's 40% lighter than the original. It features the most advanced design manufacturing processes that provides street enthusiasts with racing carburetor technology in a very drivable package. The Speed Demon™ line offers a wide range of sizes with vacuum and mechanical secondary designs. Across the range of sizes, from 650 cfm to 850 cfm, the Speed Demons deliver balanced, high-velocity airflow and exceptional fuel metering capacity to match the fuel requirements most street engines. A Speed Demon™ carburetor is ideal for muscle cars, stock rebuilds, mild performance applications, and crate motors. They are designed for mild engines from 302-427 cid with cam profiles between 220 and 240 degrees duration at 0.050".

750 CFM Speed Demon Carburetor Features

  • All aluminum polished construction with billet metering blocks and base plate (Now 40% lighter than the original Demons!)
  • Fuel bowls and main body have been redesigned for a sleeker, more stylish appearance
  • Completely re-engineered and re-calibrated for better drivability and full throttle performance
  • Re-designed throttle lever with integrated Ford A/T, 700-R4, and Chrysler kick down options
  • Fuel bowls now have dual threaded inlets on each side, dual sight glass windows, and internal baffling for improved fuel slosh control
  • Changeable idle, high-speed air bleeds & power valve restrictions for precise tuning
  • Billet Baseplate with Idle-Eze™ allows precision fine tuning of the idle speed resulting in a smoother transition from off-idle
  • New simple part numbering system: Start with SPD (Speed Demon) Add the carburetor cfm size (650, 750, or 850) and then add the model suffix; MS (Mechanical Secondaries); VS (Vacuum Secondaries); AN (Annular Discharge Boosters)
More Information
PartDemon SPD-750-MS
Manufacturer Part NumberSPD-750-MS
BrandDemon
ColorShiny
Barrels4
Billet ColorShiny
Carburetor UsePerformance and Race
CFM750
ChokeElectric
Circuit2
ConditionNew
Emission Code3
FinishShiny
Fuel InletDual
Fuel SystemCarbureted
MaterialAluminum
ModelSpeed Demon
Part TypeCarburetor
SecondariesMechanical
Throttle Bore1.688 inch
Typeproduct

Barrels4
Billet ColorShiny
BoosterDown Leg
BrandDemon
Carburetor UsePerformance and Race
CFM750
ChokeElectric
Circuit2
ConditionNew
Emission Code3
FinishShiny
FuelGasoline
Fuel InletDual
Fuel SystemCarbureted
High Speed Air Bleed31
Idle Air Bleed Size70
Marine UseNo
MaterialAluminum
ModelSpeed Demon
Primary Main Jet70
Primary Power Valve6.5
Primary Pump Nozzle Size31;31
Product TypeCarburetor
SecondariesMechanical
Secondary Main Jet76
Supercharged ApplicationNo
Throttle Bore1.688 inch
WarningCalifornia Proposition 65
WarrantyLimited 90 Day

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