Ford M-6007-XEFMS User Manual
M-6007-XEFMS
340 HP Crate Engine
GUIDE
NO PART OF THIS DOCUMENT MAY BE REPRODUCED WITHOUT PRIOR AGREEMENT AND WRITTEN PERMISSION OF
Please visit www.fordracingparts.com for the most current instruction information
! ! ! PLEASE READ ALL OF THE FOLLOWING INSTRUCTIONS CAREFULLY PRIOR TO INSTALLATION.
AT ANY TIME YOU DO NOT UNDERSTAND THE INSTRUCTIONS, PLEASE CALL THE FORD RACING
FORD RACING PERFORMANCE PARTS PERFORMANCE ENGINE LIMITED WARRANTY
Ford Racing Performance Parts warrants to the original retail purchaser for 12 months or 12,000 miles,
whichever occurs first, that it will repair or replace, at its option, using new or remanufactured parts, Ford
Racing Performance Parts engine covered part that, after inspection, is found to have failed due to a defec t
in factory supplied material or workmanship.
Covered parts include the engine block and cylinder heads, all internally lubricated parts of the engine, including
pistons, piston rings, piston pins, crankshaft and main bearings, connecting rods and rod bearings, cam sh aft and
camshaft bearings, timing chain, timing chain gears, intake and exhaust valves, valve springs, oil pump, push rod s,
rocker arms, valve lash adjusters, hydraulic or mechanical lifters, and valve stem seals, to the extent that the
original engine contains the referenced warranted part. Parts that require normal manufacturers recommended
replacement intervals are not covered under this warranty.
To the extent allowed by law, loss of time, inconvenience, loss of the use of the vehicle, commercial loss, and
incidental and consequential damages are not covered. There is no other express or implied warranty on these For d
Racing Performance Parts Engines including, but not limited to, any implied warranty of merchantability or fitness
for a particular purpose.
This warranty does not cover:
• Parts which are replaced as part of normal maintenance.
• Installation or removal costs.
• Damage due to improper installation, negligence, alteration, or accident, includin g use related to racing or
competition, marine or motorcycle applications, or for other non-vehicle usage.
• Engines where the vehicle odometer has been disconnected or the mileage has been altered.
• Damage caused by lack of proper maintenance, failure to follow maintenance schedule intervals, or failure
to use or maintain proper type and levels of fluids, fuel, oil and lubricants. Proof of proper maintenance is
the owner’s responsibility. Keep all receipts and be prepared to make them available if questions a rise
about maintenance.
• Towing, shipping, rental vehicles, loss of time, inconvenience, loss of use, or other economic loss.
• Ford Racing Performance Parts engines installed in vehicles registered and/or normally operated outside
the United States and Canada.
To obtain warranty repair or replacement, please contact Ford Racing Performance Parts at 1-800-36 7-3788 or:
Ford Racing Performance Parts
P.O. Box 490
Dearborn, MI 48121
IS-1850-0179
Page 1 of 13
Factory Ford shop manuals are available from Helm Publications, 1-800-782-4356
FORD RACING PERFORMANCE PARTS.
TECHLINE AT 1-800-367-3788 ! ! !
Techline 1-800-367-3788
M-6007-XEFMS
340 HP Crate Engine
GUIDE
NO PART OF THIS DOCUMENT MAY BE REPRODUCED WITHOUT PRIOR AGREEMENT AND WRITTEN PERMISSION OF
ENGINE INSTALLATION AND TUNING TIPS:
Performance engine durability is dependent on several supporting systems including the cooling system, fuel
delivery system, ignition system, and oiling system. If the support systems are not adequate, poor engine
performance and possible engine failure could result.
FORD RACING PERFORMANCE PARTS.
OILING SYSTEM CONSIDERATIONS/COMMON PROBLEMS
Priming the oiling system before starting a new engine is crucial to engine life. This is important on initial start-up of
a new engine and if a used engine has not been run for extended periods of time.
Does the oil pan have adequate capacity? Most performance vehicles require a 7-qt minimum capacity. All engines
will benefit from increased oil pan capacity.
Does the oil pan have proper oil control baffling for the vehicle’s braking, acceleration, and cornering capabilities?
Road Race cars need oil control in four directions: braking, acceleration, LH cornering and RH cornering. Drag race
cars need oil control in two directions, braking and acceleration. Baffles must be desi gned to keep oil over the
pickup screen at all times.
Is the pickup screen the proper distance from the bottom of the oil pan? If the oil pickup screen is too close to the
bottom of the oil pan, it can cause cavitation. If it is too far away, it will cause the pump to draw air and minimize
lubrication capacity. The pickup screen should be located .250" to .375" from the bottom of the pan.
Does the design of the screen on the pickup tube create restrictions? We have se en some pickup tube screen
designs that restrict oil flow as much as 75%. Wire mesh is good. Perforated metal is usually restrictive. Measure
the wire size and calculate the flow area. Most aftermarket screens have less flow area than stock screens.
If using a remote oil filter mount or oil cooler, make sure that all of the components are large enough to eliminate
any restrictions to oil flow. Many Cobra replica kit cars use components that are too restrictive.
• Undersized oil lines commonly restrict oil flow.
• The more bends/turns in an oiling system, the more restrictions that are created.
• Poorly designed remote filter mounts and adapters can create restrictions.
• Be sure that the oil cooler flows enough oil to meet the engine's requirements.
• Never reuse a used oil cooler. Debris gets trapped and cannot be clea ned out.
• Poorly designed oil filters can cause a restriction.
• Many oil systems only flow one way. Connecting the remote oil filter or oil cooler lines backwards can cause
engine damage/failure.
IS-1850-0179
Page 2 of 13
Factory Ford shop manuals are available from Helm Publications, 1-800-782-4356
Techline 1-800-367-3788
M-6007-XEFMS
340 HP Crate Engine
GUIDE
NO PART OF THIS DOCUMENT MAY BE REPRODUCED WITHOUT PRIOR AGREEMENT AND WRITTEN PERMISSION OF
IGNITION SYSTEM CONSIDERATIONS/COMMON PROBLEMS
The ignition system must deliver a properly timed spark. There are a lot of factors that determine when the spark
should be delivered. The most common factors include: compression ratio, fuel quality, fuel octane rating,
combustion chamber design, engine operating temperature, power adders such as NOS or su percharger, inlet air
temp, altitude, and load.
• Avoid too much or too little timing for your engine combination.
• Avoid hooking up the vacuum advance to intake manifold vacuum instead of ported vacuum.
• Avoid inductive crossfire created by improper plug wire routing. Separate plug wires on cylinders that fire
in sequence.
• Improper timing can damage pistons, rod bearings, head gaskets, and many other engine parts.
• Typical total mechanical advance timing at 4000 rpm for Ford Racing Performance Parts crate engines:
5.0L - 36° to 38° With factory EFI, 14 to 16 degrees initial.
FORD RACING PERFORMANCE PARTS.
FUEL DELIVERY CONSIDERATIONS
Size of fuel pump, size of fuel line, fuel pump placement, fuel filter placement, fuel filter size, injector size, fuel rail size,
fuel pressure, jet size, and baffling in the fuel tank.
Does the fuel system maintain full pressure at peak engine horsepower in high gear? Altitude, air temperature, and
fuel characteristics including quality, specific gravity, and octane rating, will affect your jetting requirements. Engine
efficiency and Brake Specific Fuel Consumption (BSFC) also have an effect. Here are some examples of a Holley
750 CFM 4V.
Jetting Jetting
Octane Temp. Elevation Front Rear
94 80 F Sea level 81 86
Aviation 100LL 80 F Sea level 81 84
110 Race 80 F Sea level 78 83
94 80 F 3000 ft. 76 81
94 80 F 6000 ft. 73 77
94 40 F Sea level 84 89
94 120 F Sea level 78 83
As you can see by these examples, jet requirements can vary a lot depending on fuel, altitude, and temperature.
Oxygenated fuels are available in some states and can dramatically affect your jetting requirements. Make sure you
get your jetting correct.
Factory Ford shop manuals are available from Helm Publications, 1-800-782-4356
IS-1850-0179
Page 3 of 13
Techline 1-800-367-3788
M-6007-XEFMS
340 HP Crate Engine
GUIDE
NO PART OF THIS DOCUMENT MAY BE REPRODUCED WITHOUT PRIOR AGREEMENT AND WRITTEN PERMISSION OF
Aviation fuel is lighter and will require richening an engine in relationship to its requirement with "pump gas." We
have found in the dyno testing of our crate engines that 1 point richer on air/fuel ratio equals only a few percent less
power. Running an engine as lean as possible produces the best power but also increases combustion
temperatures and the chances of engine damage.
FORD RACING PERFORMANCE PARTS.
COMMON PROBLEMS WITH FUEL DELIVERY SYSTEMS
Do not mount an EFI electric fuel pump so it has to draw fuel from the tank. This creates a negative pressure in the
fuel line allowing the fuel to boil at a lower temperature.
The pump must be mounted in the tank or in a location so that it is gravity fed.
If the fuel rail is too small and you have large injectors, this can create a pulse in the fuel rail allowing fuel starvation
on some cylinders.
Fuel should be pushed through the fuel filter. Pulling fuel through a filter can cause cavitation. If a filter is to be used
on the inlet of a rail-mounted fuel pump, a filter rating of 160 microns MINIMUM should be used.
It takes approximately ½ lb of gasoline to support 1 hp. This is commonly referred to as a .5 BSFC. You should
always err in the safe direction of larger when sizing your injectors and fuel pump.
COOLING SYSTEM CONSIDERATIONS/COMMON PROBLEMS
Higher horsepower requires more cooling capacity.
When the fill point of the cooling system is not the highest point, air pockets are created. The air pockets then
create hot spots, and the hot spots promote improper combustion, which can cause engine failure.
Improper pulley size makes the fan and water pump turn too slow or too fast. Production water pumps are normally
run at 20% over engine speed and do not perform well over 5000 engine rpm. Underdrive pulleys generally reduce
water pump speed to 85% of engine rpm and may not provide enough water flow to cool the engine.
The radiator must have enough area to dissipate the heat being generated by the engine.
If the fan size is too small, it will not move enough air across the radiator so it can properly dissipate the heat being
generated. Fan shrouds increase the effectiveness of the fan significantly.
Radiator location can affect airflow through the radiator at different vehicle speeds.
FLYWHEEL, CONVERTER, AND TRANSMISSION PROBLEMS
Installing the wrong flywheel for the balance factor of the engine will cause vibration and eventually damage
the engine.
Wrong length input shaft or "stack up height" can force the crank forward and damage the engine thrust bearing.
IS-1850-0179
Page 4 of 13
Factory Ford shop manuals are available from Helm Publications, 1-800-782-4356
Techline 1-800-367-3788
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