Garry I think we are we talking about different things? I think you are talking about the spacer between the calipers that all XU1 have (to accommodate the thicker XU1 rotors) whereas I'm talking about the slip on spacers that fit to all 4 wheels.
Girlock calipers.
Started by
Indy Orange
, Jan 12 2021 11:45 PM
28 replies to this topic
#26
MFM
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Posted 15 January 2021 - 06:59 AM
#28
FLY_AGAIN_XU-1
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Posted 15 January 2021 - 03:49 PM
Are you sure that it's not 2 per front wheel & 1 per back wheel on early 72's Dave ? I should remember, but i don't atm.
Yes, Mr Grumpy, you are 100% correct. The first cars to use 2 wheel spacers per front wheel & 1 wheel spacer per back wheel were the 1971 LC XU-1,s. ( Amendment 1/1E )
The first 200 ( 1/72 & 2/72 ) January & February 1972 run of LJ XU-1,s also used 2 wheel spacers per front wheel & 1 wheel spacer per back wheel prior to Amendment 3/3V in 1972. The first cars fitted with 3 wheel spacers per front wheel & 1 wheel spacer per back wheel were the 100 ( 3/72 ) March run of LJ XU-1,s. Under the C.A.M.S. rules a manufacturer was required to have 50% or 100 cars of the minimum 200 sold to allow the amendment to proceed.
The first 100 ( 5/72 ) May run of LJ XU-1,s completed amendment 3/3V Wheel Spacers. The second 100 ( 5/72 ) May run of LJ XU-1,s were the 50% required to allow the homologation of the Detroit Locker, Amendment 1/1V. The 100 ( 6/72 ) June run of LJ XU-1,s completed the homologation of the Detroit Locker, Amendment 1/1V, prior to the August/September run of 1972 LJ XU-1,s.
200 ( 1/72 & 2/72 ) H2-3 Eligibility
100 ( 3/72 ) 50% 3/3V Wheel Spacers
100 ( 5/72 ) 100 % 3/3V Wheel Spacers
100 ( 5/72 ) 50% 1/1V Detroit Locker
100 ( 6/72 ) 100% 1/1V Detroit Locker
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#29
FLY_AGAIN_XU-1
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Posted 15 January 2021 - 11:39 PM
On Saturday the 1-7-1972 C.A.M.S. officially rubber stamp the homologation of the Detroit Locker under amendment 1/1V. The previous day on Friday the 30-6-1972 Holden officially cancel production of the V8 LJ or as some call it the XU2 Torana.........
The first 100 LJ XU-1,s produced in August 1972 come fitted with nibless rims and are the 50% required to allow amendment 5/5V to proceed........
The homologation of the XJ cam, the 19lb lightened flywheel, the springs & the 3.55 diff ratio........
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