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P/N: 4FM020-010
© 2003 Vortech Engineering, LLC
All Rights Reserved. Intl. Copr. Secured
20OCT03
v3.1 4.6/5.4Exped/Nav(4FM v3.1)
3
3. OIL DRAIN
A. To provide a proper oil drain for the supercharger it is
necessary to make a hole in the oil pan. The best way
to provide this hole is to punch the hole rather than
drill it.
B. Locate the appropriate area for the through hole as
shown in the following illustration, remove the paint
around the hole area. (Transmission cooler lines may
need slight bending to achieve oil drain tube and fit-
ting clearance).
C. Use a small center punch to perforate the pan, ex-
pand the hole to approximately 9/16” diameter. Most
punches are made from a hexagonal material and may
be placed in a socket to make this task easier.
D. Tap the hole with a 3/8” NPT pipe tap
approximately 1/4” deep. Pack the
pipe tap flutes with heavy grease to
hold the chips and use a small mag-
net to check for any stray chips.
OIL PAN
FRONT VIEW
1-7/8"
5/8"
4WD (equipped with factory oil cooler)
Center Punch location (x)
2. OIL FEED LINE INSTALLATION, cont'd.
• Using a light amount of oil on the threads for lubrication,
thread the 1/8" NPT x 45° x #4 fitting into the threaded
hole. Teflon tape, paste or other sealant is not
recommended as it might loosen and cause blockage of
the oil feed orifice, resulting in supercharger failure. Rotate
the fitting so that when it is tight, it will face the front of
the vehicle.
• Reassemble the oil filter base and bracket and secure
onto the vehicle. Reinstall oil filter.
C. Temporarily cap off the flare fitting to prevent dirt from
entering the oil feed, it will be connected to the
supercharger at a later time.
WARNING: Use engine oil on the pipe threads, Teflon
tape, or sealant is not recommended as it
might loosen and cause blockage of the oil
feed orifice resulting in supercharger failure.
Fig. 3-a
Fig. 2-d