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A9X specs

Started by _DINO_ , Jul 31 2013 12:21 PM

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7 replies to this topic

#1 _DINO_

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Posted 31 July 2013 - 12:21 PM

Hi guys,

I have a UC Torana hatch, just got back from the engineer and he has asked for specs on an A9X Hatchback Torana rim and tyre sizes, and track widths.

I have no idea where to start so I thought I would talk with like minded Torana lovers, and see if after 4 years I can finally get my Torry on the road.

I have modified my vehicle and have a cut down 10 bolt out of a WB ute, and HQ front end, with 9" rear American racing rims with 275/40/17 and 7" front with 235/45/17

the engineer won't pass it until he has some specs to go off, so I need some help with this, If anyone has info it would be much appreciated.

Dino

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#2 Uncle Chop Chop

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Posted 31 July 2013 - 09:08 PM

14x6 steel rims with -1/4" (-6mm) offset. Tyres were DR70H14. GMH quoted a diameter of 625mm, the metric equivelant is a 195/70R14. Track was 3" wider than a stock Torana, but i'm not 100% sure on that.

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#3 S pack

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Name:Dave
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Posted 31 July 2013 - 10:03 PM

From Torana Tough by Norm Darwin.

A9X

Front Track 58.5"

Rear Track 57.1"

Tyres DR70H14

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#4 _DINO_

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Posted 01 August 2013 - 08:23 AM

Thanks guys,

Is there any formal literature that I can present to the engineer. If not I will run with this. I didn't realise engineering would be so difficult.

I will let you know how I go.

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#5 Uncle Chop Chop

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Posted 02 August 2013 - 09:07 PM

Buy Max Ellorys Torana manual, most of it is in there.

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#6 _The Baron_

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Posted 02 August 2013 - 09:58 PM

yes, I am sure there are GMH Bulletins with this info. At the very least CAMS documents.

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#7 _outer control_

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Posted 03 August 2013 - 03:07 AM

yes, I am sure there are GMH Bulletins with this info. At the very least CAMS documents.

be careful Baron do,nt have an opinion or it will be locked

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#8 ls2lxhatch

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Posted 03 August 2013 - 03:25 AM

Thanks guys,
Is there any formal literature that I can present to the engineer. If not I will run with this. I didn't realise engineering would be so difficult.
I will let you know how I go.

Dr Terry's 60 years of Holden book has the A9X track figures on page 338. His book should be sufficient evidence for engineering.

Front 57.9" ( 1470 mm)

Rear 56.82" ( 1443 mm )

There is also a L34 service bulletin that lists the track on page 4 as follows.

Front 57.89" (1470.4 mm)

Rear 56.82 (1443.2 mm)