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lower the rear by re-indexing the torsion bars
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Dutch924-racer  



Joined: 23 Jul 2007
Posts: 1060
Location: The Netherlands

PostPosted: Wed Nov 14, 2007 5:53 pm    Post subject: lower the rear by re-indexing the torsion bars Reply with quote

I want to lower the rear by reindexing the torsion bars. A read this article on the forum:

http://www.924board.org/viewtopic.php?t=19005&highlight=torsion

But I assume if I dont't want to swap the torsion bars it is far less work ?

Has anybody done this before, and how much tooth do have to re-index the bars ?

My cars has -30 mm lowering springs in the front.
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937 trackday car
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937 DITC
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morghen  



Joined: 21 Jan 2005
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Location: Romania

PostPosted: Thu Nov 15, 2007 1:53 am    Post subject: Re: lower the rear by re-indexing the torsion bars Reply with quote

Dutch924-racer wrote:
But I assume if I dont't want to swap the torsion bars it is far less work ?


wrong....its the same....do a search on the board...i have a thread and as i remember...i also droped some howto notes and pictures.
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Ruby-sh 924
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Rasta Monsta  



Joined: 12 Jul 2006
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PostPosted: Thu Nov 15, 2007 2:27 am    Post subject: Reply with quote

. . .and a great theme song!
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Toofah King Bad

  • Red (1987 924S) - Pro44/Spec944
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morghen  



Joined: 21 Jan 2005
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Location: Romania

PostPosted: Thu Nov 15, 2007 6:33 am    Post subject: Reply with quote

http://www.924board.org/viewtopic.php?t=22314&highlight=theme+song

yep...here is the thread...make sure to download the sound theme
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Ruby-sh 924
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Dutch924-racer  



Joined: 23 Jul 2007
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Location: The Netherlands

PostPosted: Thu Nov 15, 2007 5:58 pm    Post subject: Reply with quote

How many hours work is it ? I do have a car-elevator.
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Forge recirculation valve + boost controller
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morghen  



Joined: 21 Jan 2005
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PostPosted: Fri Nov 16, 2007 3:22 am    Post subject: Reply with quote

it depends on how skilled or lucky you are. Everybody has done it in about 3 trys. It took me 2 since i was mostly working alone. so i would say....16 hours.
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jesse wall  



Joined: 09 Nov 2002
Posts: 284
Location: blanch nc

PostPosted: Sat Feb 02, 2008 10:24 am    Post subject: reindexing t bars Reply with quote

if this is a track car or even astreet car that is not a garage queen , then you can reindex in about 20 minutes , see 9 magazine fron several months back , requires cuttin a 2 to 3 inch hole in rocker outside the t bar carrier end plate , and drilling at least one t bar in place for 3/8 course threads if you are interested let me know Jesse
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John Brown  



Joined: 07 Nov 2002
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PostPosted: Sun Feb 03, 2008 11:39 pm    Post subject: Reply with quote

ROTFLOL
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80 931 - #931 44Cup
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jesse wall  



Joined: 09 Nov 2002
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Location: blanch nc

PostPosted: Mon Feb 04, 2008 11:15 am    Post subject: hey John Reply with quote

what does that mean ? btw changed ride height on rear of my 924s last week with LT helping did not take anything loose , took 10 minutes for both sides , took longer to take off wheels and put them back than anything else Jesse
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Dutch924-racer  



Joined: 23 Jul 2007
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PostPosted: Tue Feb 05, 2008 12:03 am    Post subject: Reply with quote

But that is probely not by reindexing the torsionbars.
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Forge recirculation valve + boost controller
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jesse wall  



Joined: 09 Nov 2002
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PostPosted: Tue Feb 05, 2008 1:19 am    Post subject: t bars Reply with quote

yes that is pulling the t bars out and replacing them at a different ride height , it is very easy once you get the hang of it . of course both of my t bars are drilled and tapped for 3/8 course thread ,, ONCE AGAIN YOU NEED TO HAVE A 2 TO THREE INCH OPENING IN ROCER PANEL JUST FORWARD OF WHEEL WELL lOOK AT OLDER CARS CAME FROM FACTORY LIKE THIS it is really important to have a friend move hub while you reinsert the t bar , you need to see the splines but other than it is easy ! will be glad to email you pics or just go to 9 magazine the copy with the porsche designed boat on cover , this is online mag. Jesse
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Dutch924-racer  



Joined: 23 Jul 2007
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Location: The Netherlands

PostPosted: Wed Feb 06, 2008 1:52 am    Post subject: Reply with quote

Yes, I would like to receive some pictures. thanks.
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937 trackday car
Series 2 engine
951S turbo and intercooler
937 DITC
Fast road camshaft
Forge recirculation valve + boost controller


Last edited by Dutch924-racer on Sun Nov 15, 2009 10:08 pm; edited 1 time in total
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Matt Norton  



Joined: 14 Apr 2006
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PostPosted: Wed Feb 06, 2008 5:22 am    Post subject: Reply with quote

Is this any different or easy on a 924S? How much of a difference in handlaing does it make and what is the disadvantage if you are rearended by an american car?
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jesse wall  



Joined: 09 Nov 2002
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PostPosted: Wed Feb 06, 2008 5:47 am    Post subject: t bar Reply with quote

my car is a 924s , you can set the ride height of the car however you like I would think getting rear ended by any largecar would result in about the same problems , that is not a Ralph Nader 5 mile and hour test but a real wreck . you will most likely trash your porsche or need a welding expert and a parts car
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jesse wall  



Joined: 09 Nov 2002
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PostPosted: Wed Feb 06, 2008 6:12 am    Post subject: handling Reply with quote

not a lot of differrence instreet car with stock t bars , however if you up your front and rear spring rate , it really makes a lot of difference, becareful not to lowere your car so much that you run out of shock travel , thenthe handling will be dangerous, and not any ore pleasant than riding on a board, I like the 225 to250 lb springs in front and 25.5 to 27 mm tbar in rear , keeps the car fun on street still handles well on track
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