I I I I 1 CAR1 UR1 J 1 ORS I I J I 2957052 I 3955205 I 3965726 I THROTTLE BORE 1 9 16T B0r 1 3 4T B0re 1 ll 16 T Bore I I 600 850 620 DUAL PUMP DUAL PUMP DUAL PUMP VALVE SPRINGS r I Z 28 I L 88 ZL 1 I L 88 ZL 1 I 3927142 3916164 3989354 1ST DESIGN 2ND DESIGN TYPE DUAL TRIPLE TRIPLE LENGTH CIDSED 110 1 7 75 1 88 OUTER S8 l 90 OUTER OPEN I 260 1 25 193 1 32I OUTER 226 1 30 OUTER OPEN I 101 l 22 INNER 100 1 z0 INNER CLOSED I 41 1 7 B INNER 40 1 90 INNER 0AMs1 1AFT 9 S50 Opt 3 02 35OI L 88 I L 88 I ZL 1 Base 302 ase 350 Z 2S I 3927140 3925535 3925533 3959180 3849346 972178 LIFT ZERO LASH 1 i INLET 492 56 57 485 4 I EXHAUST 51 58 62 48 E 48 4 VALVE TIMING W V I r I I l I I I OPENING BTC 530 61 62O 60 5o 42O4O I QLOSING ABC 1000 I 1132 lO5 105223 94 20 URATION 333 354 346 l 3 317 Q LAS 1 C 2 2 024 CAST IRON HEADS 022 030 024 I I 022 ALU M HEADS I OPENING msc 1010 108 l06 108O50 112050 I E CLOSING ATC 650 7 730 57g23 53O23 I DURATION 3460 36 346 13 346 14 I LASH 024 A 026 CAST IRON HEADS 024 030 030 I I 024 ALUMINUM HEADS I I I DISTRIBUTOR I I L Q 0 I 0 I I IGN TIMIN0 BTDQ I 12 160 I 12 I 12 I 14 I 60 I 14 4 I ICQMBUSTION CYLINDER HEAD I I I CHAMBER VOL 2 28 L 88 L 88 ZLe1 LT 1 F I LF 6 I I 302 I 427 427 I Z 28 350 327 400 V 8 I I l 3991492 3919838 3946072 3987376 3958604 3977544 I I62 070c I107 09c0 I1I6 B0c I 62 0700 I 62 0700 I75 61c0 I I vA1 vDs I I IL 88 ZL 1 L BB I I 88 I L 88 ZL 1 02 350 I302 350 I I I I 3969815 3879618 3B7 2612 4 077 3849814 3849818 I 1 a w 1z1z 2 195 2 305 I 1 645 I 1 885 I 2 023 I 1 605 I4 YPE INT INT E1XH EXH INT EXH I USED IN CAST IRON I EADS WITH SAME COMBUSTION CHAMBER AS 1967 68 IST I IDESIGN ALUMINUM I IE2ADS I I I 8 1 11 16 70 7 4 I z f 1 1 7