Vortech Universal Big Block Carbureted System User Manual

Page 20

P/N: 4GA020-030

08DEC08 V3.0(BBC LowMount(4GA..030 V3.0))

M12 X 1.75 X 65MM LONG

SCREW BEARING PILOT, SPACER,

AND SPECIAL MACHINED NUT

ALUMINUM TENSIONER IDLER

SUPERCHARGER DRIVE BELT

(INSTALLED AFTER

ACCESSORY BELTS)

M12 X 1.75 X 65MM BOLT

BEARING

PILOT

IDLER

SPACER

MACHINE NUT SPECIAL

(PILOTS IN SLOT)

1/2” MOUNTING PLATE

Fig. 10-a (Cog Belt Tensioner Assembly - Side View)

Fig. 10-b (Cog Belt Route Only)

A. (Cog drive only) Slide the M12-1.75 X 65mm

screw through the supplied bearing pilot, alu-

minum idler and idler spacer. Place the

machine nut into the slot in the supercharger

support plate. Loosely attach the previously

assembled idler assembly, do not tighten at

this time. See Fig. 10-a

B. (Cog drive only) Fit the supercharger drive

belt over the new crank pulley, idler pulley

and supercharger pulley.

C. (Cog drive only) Tension the belt by pulling

up on the tensioner by hand and then tighten

the previously installed M12 hardware. The

belt does not need to be tightened excessive-

ly. See Fig. 10-b.

10. SUPERCHARGER DRIvE BElT INSTAllATION (v-4 "RACE" ONlY)

CAUTION: Do not "back-bend" a cog belt to tension.