Special Tools-3 And 4 Speed 76Mm Muncie Transmissions - Pontiac TRANS AM 1977 Service Manual

MANUAL TRANSMISSIONS 78-61
J-1126
Transmission Guide Pins
J-22246
Countershaft Alignment Tool
J-2619 Slide Hammer
J-5154 Installer (Not Shown)
J-4830-02 Extension Bushing and Oil Seal Remover J-5778 Remover and lnstaller (Not Shown)
J-6403-01
Extension Bushing and Oil Seal lnstaller J-21426 lnstaller (Not Shown)
J-23096 lnstaller (Not Shown)
Fig. 78-1 2 9 Special Tools
-
3 and 4 Speed 76mm Muncie Transmissions
4-SPEED 7 6 M M LT. DUTY MUNCIE TRANSMISSION
...............................................
TRANSMISSION IDENTIFICATION
ZN
"H"
with 140 L-4 Engine
...............
ZR
"H" with 15 1
L-4 Engine (Except California)
.................
Code Series ZS
"H" with 231 V6 Engine (Except California)
RY
...................
" H with 231 V6 Engine (California Only)
SS
.................
"X" with 301 V8 Engine (Except California)
GEAR RATIOS
ST
.................
"F" with 301 V8 Engine (Except California)
SS and ST
RY, ZN and ZS ZR
First Speed Gear 2.85 to 1
Second Speed Gear
2.02 to 1
Third Speed Gear
1.35 to 1
Fourth Speed Gear 1.00 to 1
Reverse Gear 2.85 to 1
LUBRICANT
...............................
Use SAE 90 multi-purpose gear lubricant Capacity
3.5 U.S. Pints (56 fluid ounces)