Pulley and spacer replacement, cont’d – Vortech 8-Rib Drive Upgrade for 2005-2009 Mustang GT User Manual

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NOTE: Included in this kit is a smaller than originally supplied supercharger pulley. This new pulley is recommended to achieve

best performance results. Removal of the factory sealed pulley will reduce the supercharger warranty from three years to

one year unless the supercharger unit (with the original pulley still attached) and new pulley are sent into Vortech for

removal, installation and re-sealing. If supercharger warranty is not a concern or if the supercharger warranty has

expired, the pulley may simply be removed and replaced with the new part supplied. Hammering/prying etc. on the

supercharger and/or pulley will cause damage to the parts. Light heating of the supercharger pulley with a propane torch

(if the pulley is tight on the shaft) will aid removal. A return authorization number is required before the supercharger and

pulley are sent into Vortech. Call the Vortech service department at (805) 247-0226 for return authorization number.

Return freight (ground) will be paid by Vortech.

S/C mounting plate re-installation:

1. Re-install the two 140mm bolts previ-

ously removed into their original

mounting plate hole locations and

slide the two original 2.691" long

spacers onto them. (See Figs. 2-d,

2-e.)

2. Re-install the idler plate onto the pre-

viously installed hardware and spac-

ers.

3. Re-install the .097" long spacer onto

the bolt that will be secured through

the alternator. (See Figs. 2-d, 2-e.)

4. Loosely install the S/C mounting

plate assembly using the original S/C

NOTE: See Fig. 2-d for the next few steps.

Fig. 2-d

2. PULLEy AND SPACER REPLACEMENT, cont’d

mounting plate hardware, taking care

to route the drive belt on the correct

side of the spacers. (See Figs. 2-f,

2-g.)

5. Locate the remaining 3.5" smooth

idler (4FU017-031), .544" long pilot

spacer, and 1.597" long spacer as

depicted in Fig. 2-d.

6. Install the idler pulley assembly refer-

encing Figs. 2-d, 2-e according to

your application ie. H.O. or standard

output.

K. Place the supercharger on a clean flat

surface with the drive pulley facing up.

Remove the original 6-rib supercharger

pulley from the supercharger and install

the supplied 8-rib pulley and retainer pro-

vided.