72 ½ - 79 Datsun PL620 V8 Engine Instructions

283 - 400 SB Chevrolet engines

Parts required

Engine adapters # 10100

153 tooth flywheel (small) and matching starter.

Engine cushions 2 x 122267

Electric fuel pump

Transmission adapter TH350 / 4 spd # 10130

Short water pump

Transmission adapter 700R4 # 10132

Oil filter screw on Fram PH14

Transmission cushion # 122268

58 – 67 Canister use Fram HPK1 adapter & PH16

Headers # 10150

Installation

1. Remove hood, mark, disconnect wires, linkage, and hoses. Drain fluids responsibly, etc.

2. Remove radiator, old engine and transmission.

3. Remove cross member that ties lower front suspension. Four large bolts. (Save)

4. Carefully remove hydraulic lines from firewall. Clutch master and lines can be discarded.

5. Unbolt and remove heater. Can be reinstalled with modification.

6. Drill a 3/8” hole between frame rails, ½” above bottom lip of torsion bar support cross member. Using the transmission adapter to mark and drill the other two holes. Front and rear. Fig A.

7. Remove stock engine mount cushions, drill out the front threaded hole on each side, 3/8”. Fig B.

8. Use a large 5# hammer, push back the center of the firewall till you have 32” from the back of the radiator core support. 75 – 79 35”. It should taper out to the stock position on each side. The taper will be longer on the passenger side. Fig C. Be careful of the windshield!

9. Next open up the bell housing area. Fig D.

10. Cut off two ears on trans bell housing. Install modified oil pan, engine cushions, fuel pump block off plate, transmission, Connect detent cable, install vacuum line if needed and fill tube.

11. Install engine and transmission, using a high angle, swing trans over torsion bar cross member.

12. Install trans cushion adapter, do not tighten.

13. Install engine adapters, slide from bottom up, drivers side first.

14. If the mounts do not fit, check for interference, remove engine and work the firewall bell housing area.

15. Install front cross member, brake lines, matching to new firewall contour. Best to fabricate new lines and run on the frame. Use only steel tubing and double flares.

16. Stock oil sending unit can be retained by using a 1/8” pipe nipple and union. Temperature sending unit can be install using a Stewart Warner adapter # 90567. File off the lip of the stock-retaining nut.

07/06/13

07/06/13