The all new Ram Jet 350 uses state of the art components developed by GM to give you all of the benefits of modern electronic engine management.
350 HP 400 Torque
New RamJet 350 with MEFI 4 controller and o2 upgrade
You may recall the Ram Jet brand from the GM mechanical fuel injection systems of the 50's. GM Performance Parts has brought back the Ram Jet name with its all new electronic port fuel injection systems for small-block and big-block crate engines. The all new Ram Jet 350 uses state of the art components developed by GM to give you all of the benefits of modern electronic engine management. Unlike some after market systems, Ram Jet offers great cold starts, hot starts, always ideal air to fuel ratios and exceptional throttle response, power and driveabilty. The all new 350 horsepower Ram Jet 350 from GM Performance Parts makes it easy to have electronic fuel injection on any 1976 or older vehicle originally equipped with a carburetor. The secret is the industry leading MEFI 4 controller. This new controller fits in the palm of your hand and was originally developed by GM Powertrain for marine applications. MEFI 4 is ideally suited for use in street rods, street machines and sportsman racers. Installation is simple, the Ram Jet 350 is an assembled 350 crate engine with Vortec cylinder heads, Ram Jet induction system, wiring harness, MEFI 4 controller, and detailed instructions. Once installed in the vehicle, a user needs only to supply 12V power and fuel. Please note the fuel pump recommendations in the Ram Jet instruction manual.
Ram Jet 350 Technical Information
Horsepower ..................... 350 @ 5200 RPM
Torque .......................... 400 @ 3500 RPM
Max. Recommended RPM ..... 5500
Compression Ratio ............. 9.4:1
Block ............................ 2 bolt, cast iron
Oil Pan............................ 5 Quart
Crankshaft ...................... 10243068 cast iron
Connecting Rods ............... 10108688 PM rods
Pistons .......................... 12522850 High silicon aluminum with offset pins
Piston Rings .................... 12522848
Camshaft ........................ 14097395 Roller Tappet design
Cylinder Heads ................. 12558060 Vortec
Intake Valves ................... 10241743 1.94"
Exhaust Valves .................. 12550909 1.50"
Valve Springs ................... 10212811
Rocker Arms .................... 12367346 Aluminum roller design
Intake Manifold ................. 12489371
Distributor ....................... 1104060
Valve Lash ...................... Zero
Spark Plugs ..................... MR 43LTS Gap @ .045 Rapidfire #8 @ .035 R42 LTS @ .045
Fuel ............................. 92 Octane
Ignition Timing .................. 10° BTDC @ 700 RPM.
This block is drilled and tapped for clutch linkage.
Manufacturer: GM
SKU: 12499120