7
FUEL - (See routing diagram starting on pg 10)
This engine requires fuel with an octane rating of 91. Higher octane fuels are
neither required nor recommended. Serious engine damage could occur if the proper fuel
is not utilized. The use of high quality pre-pump filter (100 micron) is required to avoid
damage to fuel pump. A 35 micron post pump filter is required to avoid damage to the
injectors.
Fuel Fitting Guide – (See routing diagram starting on pg 10)
We recommend using the use of full flow AN fittings.
Rule of thumb is never use more than 360 degrees of fuel fittings in your pressure line.
170 – 349 H.P AN -6 or 3/8”
350 - 600 H.P AN – 8 or 1/2””
600+ H.P AN – 10 or 5/8”
Fuel Pump -(See routing diagram starting on pg 10)
If you did not obtain a fuel pump kit with the engine package we recommend the
installation of an EFI high volume/high pressure fuel pump rated at 50-100 PSI
Fuel Pressure on all applications should be set at 58 P.S.I
Fuel Filter - (See routing diagram starting on pg 10)
If you did not obtain a fuel filter with the engine package we recommend the
installation of an EFI Pre Pump filter (100 micron) and post pump filter (35 micron)
Fuel Lines - (See routing diagram starting on pg 10)
The stock fuel rail has been modified to accept a minimum of AN-6 lines.
Depending on the horsepower of your engine, larger fuel lines may be required. Most
applications utilize a pressure regulator that requires a pressure return line.
On all packages we highly advise you set your fuel pressure to 58 PSI at the fuel rail.
Failure to comply could result in serious damage to your engine.
Fuel Lines – Off Road Compliant Engines Only
In order for your vehicle to be compliant to the evaporative standards you must
construct all of your models with a fuel system tank made of metal (Aluminum) and fuel
lines that meet SAE J2260 or SAE J30 (R11-A and R12). Compliant products are
currently made by Goodyear, Avon, Gates, Dana, Mark IV auto, and others.
Exhaust System – Off Road Compliant Engines Only
The supplied exhaust system is composed of 3 components and is designed to be
installed as is. Your engine has been certified to California ARB and US EPA emissions
standards with this supplied exhaust system. The O2 sensors are to be placed in the
designated locations when the exhaust is installed.
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General