VEGA / MONZA V6 Installation

Chevrolet 4.3L V6 SB engines with TH350, 700R4, 4/5 speed transmission.

Parts needed;

Engine adapters; 71-80 4 Cyl cars #10505

Transmission cushion. # 2268

76-80 W/ Factory V8, V6 engine, will

Transmission cushion bolt kit.

require pn 10502 plates.

TH 350 4spd pn 10540, 700R4 pn 10545

Engine adapter bolt kit, #10520 or #10525

Fan, 15”/17” (Staggered seven blade)

Engine cushions. 2 x #2267

Lower hose Dayco M30 (May vary)

Transmission adapter kit:

Upper hose Dayco M21. (May vary)

TH350 / 4 spd pn 10530, 700R4 pn 10535

Installation procedure.

1. Mark hood hinge position and remove hood.

2. Mark and disconnect all wires, hoses, linkage, etc.

3. Drain fluids responsibly, remove radiator.

4. Note fuel line position. May need to reroute it before installing engine.

5. Remove existing engine and transmission.

6. Completely clean engine compartment.

7. Remove heater core cover, reverse heater core. Figure B.

8. Measure new inlet / outlet positions. Modify heater core cover. Fig B.

9. Reinstall heater core with inlet and outlet to the outside.

10. Put an indentation in center of transmission tunnel at firewall. Fig. A

11. Install transmission adapter kit. TH350 / 4spd pn 10530 or 700R4 pn 10535

12. Install engine cushions. 3/8 x 16 x 3/4" bolts w/ lock washers. Bolt kit pn 10520/5.

13. Install transmission cushion, use bolt kit, TH350 / 4 spd pn 10240, 700R4 pn 10245

14. Remove water pump and lower pulleys. Recommended.

15. Install engine & transmission as a unit.

16. Install engine adapters, marked right and left, use factory bolts or from bolt kit #10520.

17. Install transmission cross member. Tail shaft shoulld be 7/16" to 1/2" to the right.

18. Check for clearance on engine and transmission to body.

19. Check for tie rod end to pan clearance. Readjust turning stops if needed.

12/6/2013

12/6/2013