March Performance Revolver 21285 User manual

Highly Styled, Low Cost Serpentine Drive
Installation Instructions
Chevy Big Block
#21285 - 21245 (Billet Alternator and Power Steering)
#21290 - 21240 (Chrome Alternator and Power Steering)

Main Front Bracket P/N 21266/21241
1 - 21266-A or 21241-A.Main Front Bracket
2 - S146 ............................
5
⁄ 16 " x 1" SHCS
4 - S248 ............................
3
⁄ 8 " x 1" SHCS
4 - S339 ............................
3
⁄ 8 " x 3" readed Stud
4 - S785 ............................
3
⁄ 4 " od x 3" Lg readed
Spacer
2 - MM100.......................Bolt Bushing Alum
Rear Power Steering Support Bracket P/N 21262
1 - 21262-A......................Rear Power Steering Support
Bracket
1 - S277 ............................
3
⁄ 8 " x 4
3
⁄ 4 " SHCS
2 - S676 ............................Water Pump Gasket
1 - TP3-1.680...................
3
⁄ 8 " Id x 1.680 Lg Tube Spacer
1 - TP3-1.890...................
3
⁄ 8 " Id x 1.890 Lg Tube Spacer
2 - S677 ............................
38
" Washer
Rear Alternator Support Bracket P/N 21263
1 - 21263-A......................Rear Alternator Support
Bracket Body
1 - S279 ............................
3
⁄ 8 " x 5
1
⁄ 4 " SHCS
1 - S450 ............................
5
⁄ 8 " Od x 1.125" Lg Set Screw
1 - S622 ............................
3
⁄ 8 " RH Lock Nut
2 - S676 ............................Water Pump Gasket
1 - TP3-1.400...................
3
⁄ 8 " Od x 1.400" Lg Tube
Spacer
Power Steering Ring Adaptor P/N 21074
1 - 21074-A......................Power Steering Ring Adaptor
2 - S244 ............................
3
⁄ 8 " x
3
⁄ 4 " Lg SHCS
1 - S309 ............................
3
⁄ 8 " x 1" Lg Button Head Bolt
Adjustment Tool P/N 21206
1 - MM101.......................RH Rod End
1 - MM102.......................LH Rod End
1 - MM105.......................13" readed Rod
Pulley Kit P/N 7625-206
1 - 7661-A........................Crank Sha Pulley
1 - 6307-A or 6302-A.....Water Pump Pulley
1 - 206-A..........................Alternator Pulley
1 - 221-A..........................Alternator Fan
1 - 306-A..........................Alternator Cap
1 - 360-A..........................Power Steering Pulley Cap
1 - 629-A..........................Power Steering Pulley
3 - S028 ............................8-32 x 1" Lg SHCS
4 - S183 ............................
5
⁄ 16 " x
5
⁄ 8 " Lg Fine d SHCS
3 - S248 ............................
3
⁄ 8 " x 1" Lg SHCS
1 - S685 ............................
11
⁄ 16 " Id Lock Washer
1 - S716 ............................
3
⁄ 4 " od x
5
⁄ 8 " id Alum Water
Pump Ring
3 - S106 ............................
1
⁄ 4 "- 20 x 1
1
⁄ 4 " SHCS
Accessories
1 - P-125...........................Water Pump
Aluminum
1 - P-304...........................Power Steering Pump
Saginaw Chrome FOR KIT
#21290 / #21240 ONLY
1 - P-555...........................100 Amp Alternator Chrome
FOR KIT # 21290 / #21240
ONLY
1 - P9600..........................Power Steering Pump Sagi-
naw Style Billet FOR KIT
#21285 / #21245 ONLY
1 - P9655..........................140 Amp Alternator Billet
Aluminum FOR KIT #21285
/ #21245 ONLY
RTV Silicone
Loc-Tite® read Locker
Anti-seize Compound
Gasket Scraper, Steel Wool or Sandpaper to
clean gasket surfaces
3⁄16" Allen Head Driver
5⁄16" Allen Head Driver
1⁄4" Allen Head Driver
6mm Allen Head Driver
5⁄8" Combo Wrench
9⁄16" Combo Wrench
11⁄16" Combo Wrench
3⁄4" Combo Wrench
Socket Wrench & Extension
10mm 12pt. socket
12mm 12pt. socket
64" Serpentine Belt
Required Tools and Materials
Parts List

• Disconnect the battery to prevent accidental engage-
ment of starter motor.
• Drain coolant from system
• If your A/C is intact and charged it must be evacuated.
is is best done by a professional garage with proper
recycling equipment
• Remove the existing alternator, air conditioning com-
pressor and associated brackets.
• Remove all pulleys and water pump.
Preparing to Install
Installing the Kit
1.
2.
3.
• Remove all traces of old gasket and sealer with gasket
scraper and steel wool pad.
• Clean threads in block by chasing with appropriate
thread chasers.
NOTE: : If using old style cylinder heads that have freeze
plugs contact tech support before install.Support brack-
ets will have to be modied or modications to freeze
plugs will need to be made.
3⁄8" x 3" studs and
Paper Gaskets
Fig 1. Ensure the sealing face of the coolant outlets are
clean, at and free of old gasket material. Apply a small
amount of RTV silicone to one end of each mounting
stud to prevent coolant seepage. Install the (4) 3⁄8x
3" mounting studs (S339) into the four water pump
mounting holes 1⁄2" inch deep into block.
Fig 2. Install (2) Paper Gasket (S676) over the studs
and the on the passenger side install the Alternator Rear
Support Bracket (21263-A). On the drivers side install
the Power Steering Rear Support Bracket Drivers Side
(21262-A)
Fig 3. Install the second set of Paper Gaskets over the
studs and slide the Water pump (P-125) over the four
studs.
Fig. 4. Install (4) Stainless Spacer (S785) onto the studs .
4.

5.
7.
6.
9.
10.
Alternator
Adjustment
Bushing
8.
Fig. 5. Install the Main Faceplate (21266-A or 21241-A)
onto the studs using (4)
3
⁄ 8 x 1" SHCS (S248).
Fig. 6. Install the Ajustment Bushing (S450) into the
rear Alt Support.
Fig. 7. Install the Power Steering Adapter Bracket
(21074-A) to the power steering Pump using (2)
3
⁄ 8 x
3
⁄ 4 "
SHCS (S244) and (1)
3
⁄ 8 x 1" Button Head Bolt (S309) .
Fig. 8. Install the power steering pump (P304 or P9600)
to the main bracket (21266-A or 21241-A) by stacking
the two Spacers
3
⁄ 8 x 1.680 (TP3-1.680) and
3
⁄ 8 x 1.890
(TP3-1.890) together between the pump adapter (21074-
A) and the rear support bracket (21262-A) using a
3
⁄ 8 x 4
3
⁄ 4 " SHCS (S277) to install the pump. If additional length
is needed use supplied washers.
Fig. 9. Install the Alternator (P555) or (P9655) using
a 3⁄8 x 5
1
⁄ 4 " SHCS (S279) and a
3
⁄ 8 " lock nut (S622).
Place a Billet Spacer Bushing (TP3-1.400) between the
Alternator and the Adjust Set Screw (S450). Adjust
S450 to take up any space between the lower alternator
support and the spacer. (snug only at this time). Tighten
lightly at this time.
Fig. 10. In the upper Alternator and Power Steering slots
use the two (MM100) Alum. Bolt bushings and the (2)
5
⁄ 16 x 1" (S146)
3⁄8x 3⁄4"
SHCS
3⁄8x 1"
Button
Heat Bolt

Fig. 13. Install alternator fan (221-A) and pulley (206-A)
over the alternator sha. Use the lockwasher (S685) and
then tighten pulley nut (impact to 90 , pounds). Install
Alt Cap (306-A) with (3) 8-32 x 1" SHCS (S028).
Fig. 14. Push the Alternator and A/C inward to their
fullest position and Install a 64" belt belt.
Check and tighten all bracket bolts and alternator and Power Steering lower mounting bolts, turn engine over once
by hand to check for any belt rubbing and proper belt alignment. Run engine three minutes and check belt tension
again.
Fig. 15. Slip the supplied March Adjustment tool
(21206) over the two (MM100) bushings. Use a wrench
to turn the adjustment tool outward to tighten the
serpentine belt to 100 . lbs. Use the holes in the
adjustment tool to tighten both M8 socket head cap
screws when correct belt tension has been achieved.
Remove the adjustment tool and keep for future use.
11.
12.
13.
14.
15.
Fig. 11. Apply Loc-Tite to the threads of the (4)
5
⁄ 16 -24 x
5
⁄ 8 " SHCS (S183). Install adaptor ring (S716). Place water
pump pulley (6302-A or 6307-A) to the water pump
and thread the cap screws through pulley and into water
pump pulley ange, tighten rmly (28 /lbs.)
Final Assembly
Fig 12. Apply Loc-Tite to the threads of the (3)
3
⁄ 8 -16
x 1" SHCS (S248). Place the crank pulley (7661-A) on
damper and align holes. read the (3) screws through
pulley and into damper, tighten rmly (50 /lbs.)