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GM EFI Ram
Jet 350 Engine
350" V8 w/350 HP & 400# torque
125+ more HP than the Rolls Royce V8
The NEW LS3 430HP EFI V8 may be replacing
the Ram Jet 350 some day.
 350"
RAM-JET 350HP
TAKE A LOOK AT A CONVERSION WE DID FOR A
CUSTOMER MANY YEARS AGO AND LOOKS AS GOOD TODAY AS IT DID YEARS AGO.
IT IS A 1967 ROLLS ROYCE SHADOW AND HAS WON SEVERAL 1ST PLACE TROPHIES
THIS WILL GIVE YOU AN IDEA WHAT WE CAN DO FOR YOU.
NEW LS3
is the Engine we are also offering. This is a NEW GM EFI
430HP
V8 that will pass emission standards in all 50 States including California and
many other Countries. We will be posting more information on the LS3
later, please stop back or call Chuck.
The LS3 will have 80 more HP
than the 350 and is all Aluminum like the Rolls engine that it replaces.
We will continue
to do the 350" V8 conversions as long as they are available.
You may recall the Ram Jet brand from the GM mechanical fuel injection systems
of the 1957-1965. Back then everyone wanted a "fuelie" and today that's even truer.
GM Performance Parts has brought back the Ram Jet name with its all new
electronic port fuel injection systems for the small-block 350 V8 engine.
The small-block Ram Jet 350's intake manifold is styled like the Ram Jet of
yesterday, but that is where the similarity ends. 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. Who better to fuel inject your Rolls or
Bentley than
the people who build 5 million fuel injected cars and trucks per year, including
the one in your driveway.
Unlike some aftermarket systems, Ram Jet offers great cold starts, hot starts,
always ideal air to fuel ratios and exceptional throttle response, power and
drivability.
The all new 350 horsepower Ram Jet 350 from GMPP makes it easy to have
electronic fuel injection on any 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 machines and street rods. Installation is
simple, the Ram Jet 350 is an assembled 350 crate engine with Vortec heads, Ram
Jet induction system, wiring harness, MEFI 4 controller, and detailed
instructions.
The Ram Jet 350 has it all, great nostalgic styling, drivability unsurpassed by
carburetors or aftermarket fuel injection, power to spare and a mild performance idle. GM Performance Parts is "More Than Just Power" and once you've
driven a Ram Jet you'll understand why. The 350 HO should only be used in 1973 and earlier pre-emissions street vehicles. This engine offers great drivability,
reliability, and a nice exhaust note with performance exhaust if installed.
GM Warranty: 1 Year or 12,000 mile.
Specifications:
Horsepower - 350 Hp @ 5200 RPM
Torque - 400 Ft Lbs. @3500 RPM
Max Recommended RPM-5500
Compression Ratio- 9.4:1
Engine assembly consists Of:
Block-Cast
iron, 2 Bolt Main, 1 Piece rear seal
Crankshaft-Part
# 10243068 Nodular iron
Connecting Rods-Part
10108688 Powdered Metal
Pistons-Part
# 12522850 Hypereutectic Flat top
Camshaft-
Hydraulic Roller-Part # 14097395
Intake Lift-.431"
Intake Duration
@ .050-206
Exhaust Lift-.451"
Exhaust Duration
@ .050-196
Lobe Centerline-109
Roller
Lifters-
Part # 17120735 Hydraulic Roller
Roller Rocker Arms-
Part # 12367346 Full roller 1.6: Ratio
Cylinder Heads-
Part# 12550060 Cast iron Vortec Heads 64cc Combustion Chamber,
170 cc Intake runner Volume , 1.94" Intake valve, 1.50" Exhaust
Valve.
Intake Manifold- Part # 12489371 - Ramjet multi-port Aluminum
Fuel Injectors- part# 17124248 - Standard LT1 Injector 22 lbs. per hour
Distributor-part
# 1104060- HEI, Small cap design with external coil
Spark Plugs-Part
# AC Delco - R42LTS gapped @ .045"
Throttle Body-
part # 17113520 - Very similar to 1998 Camaro LS1
Engine Controls- ECU- G.M. MEFI 4 Controller, self contained, (New
with MEFI4 closed loop
)
speed density control. ECU inputs consist of
O2 sensor
,coolant
temp, throttle position, manifold absolute pressure, intake
manifold Air temp, Knock sensor Signal .ECU outputs consist of
injector control, complete spark and timing control, IAC and
fuel pump control, The new
MEFI4 ECU
also has improved idle and drive-ability.
The New MEFI 4 Controller incorporates a "green engine rev
limiter" This rev limiter is set so that maximum engine rpm for
the first 3 hours of run time does not exceed 3500 rpm. Once
this 3 hour period is diminished, normal rev limiter is engaged
@ 5500 rpm.
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