User's Manual

P/N: 4HS020-010
©2004 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
27JUL04 v2.0 S2000 (4HSv2.0)
4
3. OIL DRAIN
Fig. 3-a
A. Drain the engine oil and change the filter.
B. To provide an oil drain for the supercharger, it is
necessary to make a hole in the pan.
C. Remove (6 screws) the tubular chassis
crossmember located beneath the rear of the
engine.
D. Remove the oil pan bumper that is attached to
the vehicle frame in front of the oil pan.
E. Remove the two screws that attach the oil pan to
the transmission bellhousing.
F. Remove the two lower A/C compressor pump
mounting bolts that attach to the oil pan mounting
bracket. Leave the small aluminum mounting
bracket attached to the pan.
G. Remove the remaining oil pan screws around the
perimeter of the pan and carefully remove the
pan.
H. Locate and mark the drain hole location on the oil
pan as per
Figs. 3-a, 3-b . The hole location is
between the two fins as shown, and down from
the sealing surface of the pan 1.25". Grind down
the fins on the oil pan as shown.
I. Using the supplied 9/16" rota-broach cutter and
arbor, carefully machine a through hole into the
pan in the location specified.
J. From the outside of the pan, tap the hole with a
3/8" NPT tap approximately 1/4" deep. Pack the
flutes of the tap with heavy grease to hold the
chips. Thoroughly clean the threads and hole
with acetone or lacquer thinner.
K. Using a small amount of silicone sealer, install
the 3/8 NPT x 1.5" hex nipple into the oil pan.
Thread the supplied 3/8" NPT female x -8 flare
fitting onto the hex nipple. Temporarily cap the
fitting until the drain hose is connected in step 12.
L. Thoroughly clean the mating surface of the oil
pan flange and the bottom of the engine block.
The surfaces must be free from oil so that a
proper seal can be achieved when the pan is
reinstalled.
M. Apply a small amount of Hondabond sealer (avail-
able at the local Honda dealership) to the oil pan
mating flange.
N. Reattach the pan to the engine. Reinstall all of
the factory hardware.
O. Reinstall the two A/C compressor screws, fac-
tory oil pan bumper and chassis crossmember.
P. Re-fill engine with factory specified weight oil.
Vortech recommends the use of synthetic oil.
Fig. 3-b
1.25”
GRIND FINS AS SHOWN