396 427 454 CID 3969804 ROD Connecting for floating pin 7 l6 bolt 8 3909846 ROD Connecting for floating p 3 8 bolt 8 rw 3893260 ROD Connecting for pressed p 8 bolt 8 3965716 BEARING UNIT Conn Rod 0Ol AR 2 3969864 Bow conn Rod 7 16 20 AR 3942410 NUT Conn Rod Bolt 7 l6 v9 AR 302 227 250 cm A 3965720 BEARING UNIT g a mmm m l AR V 3977145 ROD Connecting s ll fag 3 1967 V 8 C im W gomrcrxmo RODS I Jymwj p 5 Connecting Rods listed here are h p Y ri surfaces between rod and cap a 7vKL re J J to a higher hardness and 100 na wg vers Connecting rod durability can be improved by performing the A following operations Round all sharp edges on I beam of rod and grind off excess flash at forging parting line It is Q not necessary to remove all this flash or polish the rod but A all grindingshould be lengthwise of the rod and finish ground fl very smooth Round all sharp edges around the rod bolt head and x nut seats and smooth out any nicks in the radius of the bolt l and nut seats with a small grinder Have entire rod including bolt and nut seats shot peened Qualify rod cap similarly Have big end of rod carefully reconditioned in a rod reconditioner Install with new magnafluxed bolts and nuts A satisfactory shot peening specification for connecting rods is 1 0l2 Ol5 Allmen A Arc height using 230 cast steel shot It is also good practice to hardness test all rods rod bolts and nuts to insure proper heat treat has been performed at time of manufacture Correct hardness is Bolts and Nut ckwell C and Rods and Caps 27 34 Rockwell C Rod o minimum Z hardness should not be used Connecting Rods used for pressed pins can be worked for 1 full floating pin assemblies as follows Hone pin hole for 0005 to 7 U N 0007 clearance Jje t Drill 2 3 32 oil holes and 1 J chamfer lower ends A 23 11 is 70