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CC Advertisers
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10-26-2007, 05:08 AM
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CC Member
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Join Date: Jun 2006
Location: Newcastle, Warners Bay,
NSW
Cobra Make, Engine: RMC . 393 Dart alloy block Stroked 351 alloy heads ..all the goodies plus a pre oiler. al
Posts: 1,495
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Not Ranked
I decided to lower the whole drive train,the floor and the seating arrangement. This resulted in a zero degree(horizontally) alignment of the tail shaft. Seats that leave you below the windscreen, seatbelts that stay on your shoulder and no room for trailing arms. I bought a set of Watts Links from Ken Karcevski from Cobra Craft,Peakhurst, Sydney and this set-up is fully adjustable. It is retrofittable but I changed this whilst the car is in bits.
The alignment has yet to be tested at speed, but being spanner adjustable I'm probably in for a bit of fiddling.
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10-26-2007, 06:21 AM
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CC Member
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Join Date: Feb 2006
Location: Perth,
WA
Cobra Make, Engine: G-Force kit, LS1, 4L60, 4.09 LSD... Gone to Queensland!!!
Posts: 588
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Not Ranked
Update
I painted up my new arms (thanks Harrmac) and had them ready to install. I pulled off one side (I thought I'd better check them before I go putting it all back together) and they are identical to the arms I already have.
This means that I basically have the maximum amount of Castor available, and that's with the offset arms. If I had to use symmetrical arms I would only have about 1 - 1.5 degrees 
I think after rego I'll need to do some front end "re-engineering".... 
Last edited by Plums; 10-26-2007 at 06:24 AM..
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10-26-2007, 07:11 AM
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CC Member
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Join Date: May 2002
Location: Brisbane Australia,
QLD
Cobra Make, Engine: RMC under re-construction, GenIV with tremec 600, Jag 3.31 L/S diff
Posts: 3,318
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Not Ranked
Bobby, are your lower arms series 11.
The series 1 lower ball joint is 1/4" further back than a series 11.
Or......
If series 11 lowers, do you have them on the correct side of the car.
The lower ball joint stub on a series 11 should curl forward....not back.
Cheers
__________________
It's impossible to soar like an eagle when you're surrounded by turkeys.
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10-26-2007, 07:42 AM
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CC Member
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Join Date: Feb 2006
Location: Perth,
WA
Cobra Make, Engine: G-Force kit, LS1, 4L60, 4.09 LSD... Gone to Queensland!!!
Posts: 588
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Not Ranked
The lower arms seem to be correct, i.e. if you swapped sides I think you'd end up with no castor.
Rob from G-force reckons that 3 degrees of castor is enough, but I want more!!!
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10-26-2007, 07:45 AM
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CC Member
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Join Date: May 2002
Location: Brisbane Australia,
QLD
Cobra Make, Engine: RMC under re-construction, GenIV with tremec 600, Jag 3.31 L/S diff
Posts: 3,318
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Not Ranked
I know where your coming from Bobby.
I moved my top arms back 10mm and took all the anti dive out of them. (ie. they are now parallel with the lower arms.
cheers
__________________
It's impossible to soar like an eagle when you're surrounded by turkeys.
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10-26-2007, 03:32 PM
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CC Member
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Join Date: Jan 2004
Location: Gold Coast,
AUS
Cobra Make, Engine: Wish I had my own PACE 427
Posts: 2,145
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Not Ranked
Quote:
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Originally Posted by Rebel1
I moved my top arms back 10mm and took all the anti dive out of them. (ie. they are now parallel with the lower arms.
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That's also what I would like to do after getting advice from Rebel1 & OzVenom. |
10-26-2007, 04:19 PM
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CC Member
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Join Date: May 2002
Location: Brisbane Australia,
QLD
Cobra Make, Engine: RMC under re-construction, GenIV with tremec 600, Jag 3.31 L/S diff
Posts: 3,318
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Not Ranked
Craig, I'm sure Scotty will get that RMC of yours cruising like a limo with perfect manners.
A lot of the info I have came from Jaime Garde who was the employed engineer at RMC.
His job involved improving the RMC chassis by experimentation with their race car.
I believe the then owner of RMC, Mike Moylan, was involved in motor sport and competed in Targa Tasmania a couple times with the cobra.
However, the handling improvements never made it to the production Jigs mainly because the business was put up for sale.
Cheers
__________________
It's impossible to soar like an eagle when you're surrounded by turkeys.
Last edited by Rebel1; 10-26-2007 at 05:57 PM..
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