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Rear suspension Q's...

Hello again-

I am going to go through the rear suspension on my 70 t soon. Neatrix bushings on the spring plates etc. The car has a narrow body, 15x6 wheels and stock torsion bars. What would be a better bar choice for canyon carving and the odd track day? I am also inteseted in using some wheel spacers if the wider track would help in the rear. I had Otto's in Venice set up the ride height and do a four wheel alignment a while back and the car tracks and handles so well I don't want to mess it up, but since I am not running big power (not so much $ available), better handling is where I can make progress.

By the way, the front has a bump steer spacer kit and the whole car is at the euro recomended ride hieght.

Tips? Oppinions? THanks,

Alex

Old 01-04-2004, 01:34 PM
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for a track day,

tires,
sway bars,
shocks,
torsion bars, (Carrera bars will work great)

that would be my order of things.

but track time would really be first on the list for spending money one.
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Old 01-04-2004, 06:31 PM
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On the torsion bars . . . Jim means the pre '87 torsion bars as the later ones will not fit.

IMHO sway bars should remain stock (don't know if your car has them) and used for tuning the suspension once the shocks and torsion bars are sorted.

I was running 21/26 torsion bars until the 3.2 came along then I when to 28s in the rear. Very nice on the track and not too hard on the street.
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Old 01-04-2004, 06:58 PM
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Marc, good catch, plus enjoyed your web page on the conversion, I too have done similar, a 3.2 into a 1970 T, there was a little more work involved in the 1970 because of differences in the bodys, but fun none the less.

I wish I had captured as much info as you had, I had planned to but once I got going the camera never got touched again until I was done.

Jim
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Old 01-04-2004, 07:15 PM
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Funny you should mention web pages, I was just reading tranny 101 and 102 as my crunch-o-matic is getting rebuilt in the coming weeks.

Cheers
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Old 01-04-2004, 07:29 PM
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I've got some stock bars from a 78 SC forsale $80 for the pair if you want.

Adam
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Old 01-04-2004, 07:30 PM
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Thanks folks-

The car does have sway bars. Where can I find out what size torsions where on different years of 911's??

This board rules.

Alex
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Old 01-05-2004, 07:22 AM
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I am also in the process of upgrading my suspension in my '69. I am going to switch to the later style aluminum rear trailing arms with the 3.5inch caliper spacing (bigger brakes) and stock torsion/sway bars.

-Britain
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Old 01-05-2004, 08:53 AM
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Alex, I am sure that was not cheap to have Otto set up your car. You did realize that you will need to do it all over again? There is resources here to do it yourself but I was not sure if you realized that. My suggestion on the T bars is be patient and keep an eye on the classifieds since your watching money like me. I had to wait 6 months but finally got a set that were a little stiffer than I wanted but they were less than half of new. Other wise the guys that chimed in above have alot more experience and great advice on the sizes.

Have fun
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Old 01-05-2004, 09:23 AM
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I do know I'll be back in for an alignment and ride height setup. Otto's work was cheap actually. I mean relative to the performance gains. I race karts as a hobby and if I learned one thing doing that, it's that correct setup is worth more then all the fancy parts in the world.

I'll keep my eyes open for some Carrera bars.

Alex
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Old 01-05-2004, 10:40 AM
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New question.

What are the advantages of the aluminus banana arms? WOuld I have to change my brake setup to use them??

Thanks

Alex
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Old 01-05-2004, 10:42 AM
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Quote:
Originally posted by addictionMS
for a track day,

tires,
sway bars,
shocks,
torsion bars, (Carrera bars will work great)

that would be my order of things.

but track time would really be first on the list for spending money one.
What size of sway bars?

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Old 01-05-2004, 10:48 AM
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