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GMH Service Letters XU1


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#26 FLY_AGAIN_XU-1

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Posted 24 December 2022 - 05:57 AM

200

#27 FLY_AGAIN_XU-1

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Posted 24 December 2022 - 12:41 PM

100 per ratio

#28 skap

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Posted 24 December 2022 - 01:18 PM

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#29 FLY_AGAIN_XU-1

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Posted 24 December 2022 - 06:48 PM

To homologate 2 gearboxes, also required a minimum of 200 cars, 100 per gearbox. To homologate 2 gearboxes & 2 diffs required 400 cars, 200 + 200, 100 per gearbox or diff. To homologate 1 gearbox & 2 diffs required a minimum of 300 cars, 100 per gearbox or diff. To build 200 basically identical cars required 100 for the gearbox & 100 for the diff. The 200 1971 CK’s fitted with the 3.36 were the 200 basically identical units required. These 200 units also completed the homologation of the nibless rims, the radiator and various other components. The extra 100 fitted with the 3.08 diff ratio rehomologated the ratio in 1971. First being homologated in 1970.

#30 jpxu1

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Posted 24 December 2022 - 08:01 PM

Fly, I've been a member here for I don't know how many years now (can't be bothered looking it up, but a long time) and in all that time the one distinct memory I have is that you've been banging on about this stuff I'm sure just as long, on I don't know how many countless different threads, and it seems to just go round in circle after circle! :wtf:

 

Why don't you start a whole new thread, list the production build sequences, the associated homologations (and maybe ADR's) with each run, and be done with it!!

 

I'm guessing a good 95% of people on here are like me and sick to death of seeing this same old crap time and time again - do you have a car? Get it out go for a drive and maybe realize there is more to life   :driving:

 

No offence intended, but geez!

 

Cheers,

JPXU1



#31 FLY_AGAIN_XU-1

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Posted 24 December 2022 - 10:03 PM

In 1970 Holden produced 300 9/70 & 10/70 LC XU-1’s. Prior to this they produced 400 in their August run. Producing a total of 700 LC XU-1’s in 1970. The same number was produced in 1971 with 400 3100X’s and 300 CK’s.

#32 Indy Orange

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Posted 24 December 2022 - 11:53 PM

And a partridge in a pear treeeeeeee!

#33 LC69GTR

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Posted 25 December 2022 - 05:20 AM

Fly, I've been a member here for I don't know how many years now (can't be bothered looking it up, but a long time) and in all that time the one distinct memory I have is that you've been banging on about this stuff I'm sure just as long, on I don't know how many countless different threads, and it seems to just go round in circle after circle!  :wtf:

 

Why don't you start a whole new thread, list the production build sequences, the associated homologations (and maybe ADR's) with each run, and be done with it!!

 

I'm guessing a good 95% of people on here are like me and sick to death of seeing this same old crap time and time again - do you have a car? Get it out go for a drive and maybe realize there is more to life    :driving:

 

No offence intended, but geez!

 

Cheers,

JPXU1

Yes Fly instead of filling my post up with the same old dribble start a new thread, so you can say what you want without us having to go thru this dribble on every thread that gets started these days.

I didn't put those service letter's up to help stir your pot, but i know i wont be posting anymore  :banghead:



#34 FLY_AGAIN_XU-1

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Posted 25 December 2022 - 06:01 AM

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#35 skap

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Posted 26 December 2022 - 08:51 AM

Yes Fly instead of filling my post up with the same old dribble start a new thread, so you can say what you want without us having to go thru this dribble on every thread that gets started these days.

I didn't put those service letter's up to help stir your pot, but i know i wont be posting anymore :banghead:


He won’t listen.

Pretty sure he doesn’t read replies, just logs in, clicks the most recent thread and posts whatever dribble comes to mind.

#36 FLY_AGAIN_XU-1

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Posted 26 December 2022 - 12:54 PM

To race the Torana under international rules, Holden were required to build a total of 5000 cars over 12 consecutive months. Under the Australian rules they were then only required to build the 200 basically identical units. These 200 cars allowed them to be eligible to race for a period of 12 consecutive months. The 5000 1969 & 1970 LC GTR’s guaranteed homologation for a period of 4 years, 1970, 1971, 1972 & 1973. In 1974 another 5000 cars were required guaranteeing homologation of the LH & LX Torana for a further 4 years, 1974, 1975, 1976 & 1977. In 1973, under a new set of Australian rules ( Group C ) the minimum needed was raised from 200 to 500.

#37 RallyRed

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Posted 26 December 2022 - 01:00 PM

Are you ok mate?

#38 FLY_AGAIN_XU-1

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Posted 26 December 2022 - 01:13 PM

Fine, got a 1969 or 1970 service bulletin for the GTR detailing the diff ratio’s though would ya ?

#39 RallyRed

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Posted 26 December 2022 - 04:19 PM

No, sorry.



#40 skap

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Posted 26 December 2022 - 06:43 PM

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#41 rodomo

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Posted 26 December 2022 - 09:06 PM

Fine, got a 1969 or 1970 service bulletin for the GTR detailing the diff ratio’s though would ya ?

I have, but I won't put it up here.



#42 FLY_AGAIN_XU-1

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Posted 26 December 2022 - 09:37 PM

According to google : The 3.08 was standard and the 3.36 & 3.55 was available as an option on the 1969 & 1970 LC GTR…..

#43 FLY_AGAIN_XU-1

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Posted 01 January 2023 - 09:42 PM

Does anyone know how many gearboxes were available on the 2600S LC GTR ?

#44 FLY_AGAIN_XU-1

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Posted 01 January 2023 - 10:02 PM

According to new information, the 3.36 & 3.55 diff ratios were homologated the same time as the new 173 CF & Aussie 4 speed gearbox in 1971, under H2-1 LC GTR, amendment 1/1E.

#45 FLY_AGAIN_XU-1

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Posted 03 January 2023 - 01:04 AM

Of course the 2600S LC GTR only had the 1 gearbox & diff…..

#46 I'm a Red Motor fiend

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Posted 03 January 2023 - 07:01 AM

Of course the 2600S LC GTR only had the 1 gearbox & diff…..


Hey that's super......

#47 FLY_AGAIN_XU-1

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Posted 04 January 2023 - 10:46 PM

Certainly is Adam

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The rules also tell us that the Bathurst 5000 all had to be * Identical * as well. Meaning they could only be fitted with the 1 gearbox ( 50% ) and the 1 diff ( 50% ) the 3.08. Though it would be nice to see some LC GTR service letters in terms of diff ratio’s because I am not totally convinced the 3.36 was only homologated in 1971 for the LC GTR…..

Anyone got any factual documentation ?

#48 FLY_AGAIN_XU-1

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Posted 06 January 2023 - 10:12 PM

So, we have a whole Torana forum and no knows when the 3.36 or 3.55 became an option on the LC GTR Torana ?

#49 I'm a Red Motor fiend

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Posted 07 January 2023 - 07:43 AM

Your telling the story mate....

#50 RallyRed

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Posted 07 January 2023 - 09:04 AM

My info suggests 3.08 was standard and 3.36 was optional/performance.  These were listed at introduction. 

If you are asking about CAMS Homologation doco, then I don't know.






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