A9X FRONT SUSPENSION Options

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Smitty		#1 Posted : Saturday, 12 July 2008 3:04:28 AM(UTC)
Rank: Member Reputation: Groups: Registered Joined: 24/08/2007(UTC) Posts: 34		THE UPPER CONTROL ARM MOUNTING HOLES ON THE A9X TORANA WERE LOWERED TO ALLOW FOR LARGER RIMS. DOES ANY ONE KNOW WHAT THE MEASUREMENT IT WAS LOWERED BY IS?
		ALWAYS HOLDEN TOGETHER
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HK1837		#2 Posted : Saturday, 12 July 2008 3:34:34 AM(UTC)
Rank: Veteran Reputation: Groups: Moderator, Registered, Veteran Joined: 1/03/2005(UTC) Posts: 14,898 Thanks: 1 times Was thanked: 557 time(s) in 532 post(s)		It wasnt for larger rims AFAIK. It was to correct for the different KPI created when HQ-WB stubs were used with the UC Torana type upper control arms and LX crossmember. Search the www.gmh-torana.com site, There is photos there showing the difference.
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HK1837		#3 Posted : Saturday, 12 July 2008 3:34:34 AM(UTC)
Rank: Veteran Reputation: Groups: Moderator, Registered, Veteran Joined: 1/03/2005(UTC) Posts: 14,898 Thanks: 1 times Was thanked: 557 time(s) in 532 post(s)		It wasn't for larger rims AFAIK. It was to correct for the different KPI created when HQ-WB stubs were used with the UC Torana type upper control arms and LX crossmember. Search the www.gmh-torana.com site, There is photos there showing the difference.
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Guest		#4 Posted : Saturday, 12 July 2008 4:31:41 AM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		What does AFAIK mean?

mmazz30		#5 Posted : Saturday, 12 July 2008 4:50:25 AM(UTC)
Rank: Member Reputation: Groups: Registered Joined: 6/01/2007(UTC) Posts: 282		Hey Byron i remember reading that the a9x stubs were a different part no to the HQ type? I know fitting HQ-WB stubs to LH-UC buggers up the KPI. Does that mean because of the lower mounting points they went HQ type which i would understand...but the dif
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HK1837		#6 Posted : Saturday, 12 July 2008 5:32:31 AM(UTC)
Rank: Veteran Reputation: Groups: Moderator, Registered, Veteran Joined: 1/03/2005(UTC) Posts: 14,898 Thanks: 1 times Was thanked: 557 time(s) in 532 post(s)		Same part number as late HQ-WB one tonner stubs. The difference is simply heat treating from memory. L34 and A9X have holes drilled lower than the standard (for A9X the standard example is UC) to account for the KPI change. AFAIK = As Far As I Know, AFAI
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Smitty		#7 Posted : Saturday, 12 July 2008 7:58:55 PM(UTC)
Rank: Member Reputation: Groups: Registered Joined: 24/08/2007(UTC) Posts: 34		Whats kpi stand for?
		ALWAYS HOLDEN TOGETHER
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mmazz30		#8 Posted : Saturday, 12 July 2008 9:50:18 PM(UTC)
Rank: Member Reputation: Groups: Registered Joined: 6/01/2007(UTC) Posts: 282		AHHH....Byron,yeah thats what it was one tonner part no against the standard part no. Everyone will raid the wreckers for tonner stubs now....lol cheers...mario KPI = King Pin Inclination (KPI) is the inward tilt from vertical in degrees.
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Guest		#9 Posted : Monday, 14 July 2008 3:30:45 AM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		HEY THERE AM DOIN UC WANT TO USE HQ STUBS N DISK DUS THIS MEAN I NEED TO GET LX CROSSMEMBER ? ANY ONE OR HAVE B FROM A 6 CYL

HK1837		#10 Posted : Monday, 14 July 2008 3:34:40 AM(UTC)
Rank: Veteran Reputation: Groups: Moderator, Registered, Veteran Joined: 1/03/2005(UTC) Posts: 14,898 Thanks: 1 times Was thanked: 557 time(s) in 532 post(s)		Just drill upper control arm mounting holes lower. _______________________________________________________ If we all had the same (good) taste, who would buy all the Fords?
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Guest		#11 Posted : Monday, 14 July 2008 3:53:18 AM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		WOW REALLY COOL AM DOWN UNDER IN NZ AND FINDING A LX MEMBER B LIKE FINDING ROCKN HORSE **** LOL! U DONT KNOW HOW MUCH BY ANY CHANCE ? CHEERS PHIL

Guest		#12 Posted : Monday, 14 July 2008 4:29:39 AM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		Byron,lowering the upper control arm mounting points.Was this done on xu-1 toranas as well? and any advanage on a HT.Would like to do a little track work.

Guest		#13 Posted : Monday, 14 July 2008 4:51:32 AM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		yes to lower mounting point on XU1, there are 2 sets of holes, the standard and lower lot, most people say an inch but it is less than that,there isnt much metal left around the holes

Guest		#14 Posted : Monday, 14 July 2008 4:51:32 AM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		yes to lower mounting point on XU1, there are 2 sets of holes, the standard and lower lot, most people say an inch but it is less than that,there isn't much metal left around the holes

HK1837		#15 Posted : Monday, 14 July 2008 5:05:20 AM(UTC)
Rank: Veteran Reputation: Groups: Moderator, Registered, Veteran Joined: 1/03/2005(UTC) Posts: 14,898 Thanks: 1 times Was thanked: 557 time(s) in 532 post(s)		They were lowered mid HT. Not sure about LC/LJ. _______________________________________________________ If we all had the same (good) taste, who would buy all the Fords?
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Guest		#16 Posted : Monday, 14 July 2008 5:56:19 AM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		it all becomes clear,I think the measurement was 5/8 inch. Thats how you could tell an xu-1.This was to classify cars for club racing. For HT you double toe in and just enough camber to feather the inside of tires.Would this improve cornering?

HK1837		#17 Posted : Monday, 14 July 2008 6:43:42 PM(UTC)
Rank: Veteran Reputation: Groups: Moderator, Registered, Veteran Joined: 1/03/2005(UTC) Posts: 14,898 Thanks: 1 times Was thanked: 557 time(s) in 532 post(s)		I think I stuffed up above, HT were actually raised during the model now I think of it. I think it was to change the straight line behaviour of the car. This would probably decrease camber slightly and make the car handle worse. _______________________
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Dr Terry		#18 Posted : Monday, 14 July 2008 7:49:09 PM(UTC)
Rank: Veteran Reputation: Groups: Moderator, Registered Joined: 1/03/2005(UTC) Posts: 6,114 Thanks: 1 times Was thanked: 219 time(s) in 199 post(s)		Hi Byron. The change in early HT alignment specs was to caster, not camber. The camber remained at zero (+ or - 1/2), but the caster went from 1 1/2 negative (+ or - 1/2) to zero (+ or - 1/2). This caster change is what affects straight line behavior.
		If at first you don't succeed, just call it Version 1.0
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JBM		#19 Posted : Monday, 14 July 2008 8:02:32 PM(UTC)
Rank: Member Reputation: Groups: Registered Joined: 28/03/2006(UTC) Posts: 810 Thanks: 1 times Was thanked: 1 time(s) in 1 post(s)		Just as a quick note, the reason for using the tonner spindles on the L34 and A9X was so that HQ vented discs could be used on the Group C cars. With the hoppers kits available to put Commodore discs on Toranas why would you need to go to an A9X setup,
		You only have to be in front at the end of the race.
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