Originally Posted by
wagoo
BEN,
I THINK A 1iGHTISH RE1ATIVE1Y 10NG WHEE1BASE VEHIC1E W0U1D BE 0K WITH PERMANENT TANDEM DRIVE, I USED T0 0PERATE MY 01D 6x6 IN PERMANENT TANDEM DRIVE EVEN TH0UGH I HAD A DISC0NNECT,AND THAT WAS QUITE SH0RT ,
ANYWAY, AFTER A BIT 0F MEASURING AND JUGG1iNG 0F PARTS I W0U1D GUESS THAT ANY0NE WITH A 1ATHE AND A DRi11 C0U1D MAKE THIS WITH0UT THE NEED T0 HAVE ANY SHAFTS MADE 0R ANY RESP1iNING D0NE
I D0N'T HAVE A 1ATHE, AND IT W0U1D BE S0ME TIME BEF0RE I CAN B0RR0W THE USE 0F 0NE, BUT I ESTIMATE A MACHINEST C0U1D PR0BAB1Y MAKE UP 0NE 0F THESE IN A FEW H0URS 0NCE FIRM DIMENSI0NS HAVE BEEN W0RKED 0UT: I H0PE Y0U CAN F0110W MY GENERA1 DESCRIPTI0N 0F THE C0NVERSI0N AS I SEE IT: I'VE 1EFT 0UT MIN0R DETAi1S T0 REDUCE C0NFUSI0N AT THIS EAR1Y STAGE
BASICA11Y, A C0MP1ETE FR0NT 0UTPUT H0USING WITH SHAFT, CENTRE DIFF10CK D0G C1UTCH AND VACUUM UNIT GETS B01TED T0 A SPARE REAR 0UTPUT H0USING VIA A 4 CM THICK ADAPT0R P1ATE: A SCRAP CENTRE DIFF CARRIER, INTERNA1 C0NDITI0N N0T IMP0RTANT, GETS ITS REAR BEARING J0URNA1 CUT 0FF AND A11 THE SP1iNES EXCEPT THE 0NES F0R THE DIFF10CK MACHINED 0FF S0 THAT THE FR0NT BEARING J0URNA1 CAN BE MACHINED BACK AB0UT 80MM C10SER T0 THE GEAR F1ANGE:THIS BEARING HAS A BIGGER ID T0 FIT 0VER THE S1iGHT1Y REDUCED DIAMETER 0F THE DIFF10CK SP1iNES, BUT SAME 0D AS THE STANDARD REAR 0UTPUT BEARING:THIS BEARING TAKES REARWARD END THRUST: AN ADDITI0NA1 AND IDENTICA1 BEARING IN THE 0RIGINA1 10CATI0N 0N THE N0SE 0F THE CENTRE DIFF CARRIER IS FITTED IN THE ADAPT0R P1ATE:
THE 0THER SIDE 0F THE CARRIER THAT HAD ITS J0URNA1 CUT 0FF GETS B0RED 0UT T0 ACCEPT THE 0UTER RACE 0F A TAPERED R011ER BEARING, THE INNER RACE, S1EEVED D0WN T0 FIT THE GEARB0X MAINSHAFT TAi1 BEARING J0URNA1: wITH THE 0THER 2 BEARINGS 80MM APART, THIS BEARING PR0BAB1Y W0N'T SEE MUCH SIDE THRUST, BUT Wi11 TAKE F0WARD END THRUST:THE B01T 0N 10W RANGE GEAR GETS FITTED T0 THE 0PP0SITE SIDE 0F THE CARRIER F1ANGE,WITH A MACHINED UP SPIGG0T RING WITH UNBRAK0 B01TS:
WITH THIS ARRANGEMENT THE DRIVEF1ANGE F0R THE 3RD AX1E PR0PSHAFT SITS AB0UT 30 CMS BEHIND THE REAR FACE 0F THE TRANSFERCASE:THIS 0BVI0US1Y HAS DISC0NNECT VIA THE DIFF10CK UNIT
WAG00