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Grenadiers
Joined: 20 Feb 2007
Posts: 3222
Location: Nelson, WI & Prescott, AZ
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 Posted: Sun May 04, 2014 1:00 am Post subject: Stolen car!!!!! |
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My wife has put 500 miles on the new SE since we bought it from Paul. It's now hers! No more silly track-car plans for it. Her suggestion, use the CGT car for your track needs. Plus, I get to build my 'spare' '88 924S since I already have the suspension bits. Married guys might understand this better than single guys~!
Question: I have the tranny pulled and most of the torsion carrier as well. Was wondering for track applications, is it worth swapping out the aluminum trailing arms in favor of steel ones? I have a spare set, or, I could just use the '83 944 torsion carrier I have as well. The carrier is getting torn down to replace the old rubber with poly, and new torsion bars as well. So, it doesn't matter if I replace the aluminum with steel effort-wise. yo.
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'83 944 Track car.
'88 924S Track car.
'89 944 Turbo
2004 Winnebago Vectra monster RV
2012 Jeep Wrangler
2014 Kia Soul
2001 Ford F350 powerstroke |
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jason c
Joined: 13 Jan 2014
Posts: 1018
Location: Nwi
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| Posted: Sun May 04, 2014 1:47 am Post subject: Re: Stolen car!!!!! |
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| Grenadiers wrote: | My wife has put 500 miles on the new SE since we bought it from Paul. It's now hers! No more silly track-car plans for it. Her suggestion, use the CGT car for your track needs. Plus, I get to build my 'spare' '88 924S since I already have the suspension bits. Married guys might understand this better than single guys~!
Question: I have the tranny pulled and most of the torsion carrier as well. Was wondering for track applications, is it worth swapping out the aluminum trailing arms in favor of steel ones? I have a spare set, or, I could just use the '83 944 torsion carrier I have as well. The carrier is getting torn down to replace the old rubber with poly, and new torsion bars as well. So, it doesn't matter if I replace the aluminum with steel effort-wise. yo. |
For durability?
If you were running the car off road I would use the steel ones. I would use the aluminum ones for the track. I have run aluminum on my 951 for years with no problems. I don't think I've ever seen a later car with steel. |
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Grenadiers
Joined: 20 Feb 2007
Posts: 3222
Location: Nelson, WI & Prescott, AZ
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| Posted: Sun May 04, 2014 2:10 am Post subject: |
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Steel are lighter, I've been told, and for durability. So, I'll reuse the aluminum ones, the bearings are newer as well as the brake and other hardware. Since I'll have it all apart, thought I'd ask.
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'83 944 Track car.
'88 924S Track car.
'89 944 Turbo
2004 Winnebago Vectra monster RV
2012 Jeep Wrangler
2014 Kia Soul
2001 Ford F350 powerstroke |
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nickthompson
Joined: 26 Mar 2013
Posts: 873
Location: Central Georgia
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| Posted: Sun May 04, 2014 2:31 am Post subject: |
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| My wife told me if I ever bought a Boxster it was her's |
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morghen
Joined: 21 Jan 2005
Posts: 9095
Location: Romania
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| Posted: Sun May 04, 2014 5:24 am Post subject: |
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The complete assembly of the aluminium arm is MUCH lighter than the steel one. But you know, aluminium is also weaker than steel...so for durability the steel arms are the best.
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fiat22turbo
Joined: 18 Jan 2006
Posts: 4040
Location: Portland, OR
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| Posted: Sun May 04, 2014 8:57 am Post subject: |
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| morghen wrote: | | The complete assembly of the aluminium arm is MUCH lighter than the steel one. But you know, aluminium is also weaker than steel...so for durability the steel arms are the best. |
Nope. I weighed a complete steel against a stripped aluminum and the aluminum was still heavier.
Also the axles are longer and heavier than the ones on the steel arms. The trade off would be the potential for wheel spacers.
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Stefan
1979 924 Carrera GTS (clone-ish)
1988 944 Turbo S (Silver Rose) |
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morghen
Joined: 21 Jan 2005
Posts: 9095
Location: Romania
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| Posted: Sun May 04, 2014 3:45 pm Post subject: |
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That does not make sense, does it? Why would Porsche change from something more durable and lighter to something weaker and heavier?
I remember when swapping the steel arms on my red car that picking up a steel arm assy was much harder than picking up the aluminium ones.
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fiat22turbo
Joined: 18 Jan 2006
Posts: 4040
Location: Portland, OR
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| Posted: Sun May 04, 2014 4:38 pm Post subject: |
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They did it with the aluminum front arms. Which are in some ways worse than the steel ones (harder to rebuild, prone to cracking, etc). I'm sure there were reasons for it, but I don't know what they are at the moment.
The Brembo turbo brakes aren't much better than the stock brakes, but they look better.
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Stefan
1979 924 Carrera GTS (clone-ish)
1988 944 Turbo S (Silver Rose) |
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morghen
Joined: 21 Jan 2005
Posts: 9095
Location: Romania
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| Posted: Sun May 04, 2014 5:19 pm Post subject: |
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 i was talking about the rear arms as i read torsion bar carrier somewhere
I would not know about the front alu arms as i kept the steel ones. Clearly the front steel arms are better.
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nickthompson
Joined: 26 Mar 2013
Posts: 873
Location: Central Georgia
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| Posted: Sun May 04, 2014 10:27 pm Post subject: |
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| I recently bought a full aluminum rear assembly I'll weigh them both if I ever get around to swapping them out. |
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Rasta Monsta
Joined: 12 Jul 2006
Posts: 11733
Location: PacNW
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| Posted: Mon May 05, 2014 2:30 pm Post subject: |
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| fiat22turbo wrote: | | The Brembo turbo brakes aren't much better than the stock brakes |
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Toofah King Bad
- WeiBe (1987 924S 2.5t) - 931 S3
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fiat22turbo
Joined: 18 Jan 2006
Posts: 4040
Location: Portland, OR
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| Posted: Mon May 05, 2014 10:50 pm Post subject: |
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They aren't! The mounts flex, the spindles are less strong, the calipers are more expensive to rebuild and the swept area isn't much different than the stock solution.
Most people just want the look they provide, but if you do some research there are less expensive solutions that work as well or better.
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Stefan
1979 924 Carrera GTS (clone-ish)
1988 944 Turbo S (Silver Rose) |
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nickthompson
Joined: 26 Mar 2013
Posts: 873
Location: Central Georgia
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| Posted: Mon May 05, 2014 11:10 pm Post subject: |
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| fiat22turbo wrote: | They aren't! The mounts flex, the spindles are less strong, the calipers are more expensive to rebuild and the swept area isn't much different than the stock solution.
Most people just want the look they provide, but if you do some research there are less expensive solutions that work as well or better. |
What about Volvo 240 brakes? |
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fiat22turbo
Joined: 18 Jan 2006
Posts: 4040
Location: Portland, OR
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| Posted: Tue May 06, 2014 2:13 am Post subject: |
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| nickthompson wrote: | | fiat22turbo wrote: | They aren't! The mounts flex, the spindles are less strong, the calipers are more expensive to rebuild and the swept area isn't much different than the stock solution.
Most people just want the look they provide, but if you do some research there are less expensive solutions that work as well or better. |
What about Volvo 240 brakes? |
That's an option. There's also a Wilwood front conversion for the 5-lug cars (which opens up the possibility of using other wilwood calipers to tailor the braking solution to your uses).
Theres a documented Lexus LS430 conversion that uses larger Boxster S rotors all the way around with RX-7 rear calipers.
Plus there are conversions using calipers and rotors from other, newer Porsches, that tend to work better than the 951 brakes.
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Stefan
1979 924 Carrera GTS (clone-ish)
1988 944 Turbo S (Silver Rose) |
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Rasta Monsta
Joined: 12 Jul 2006
Posts: 11733
Location: PacNW
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| Posted: Tue May 06, 2014 4:03 am Post subject: |
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Perhaps there is a subjective component, but IMO the four pot brakes have more stopping power, are smoother, easier to modulate, and are overall more pleasant to use.
Am I saying that the stock brakes are inadequate in any way? Definitely not (see: my race car), just that the Brembos are a nice upgrade beyond their obviously superior aesthetic.
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Toofah King Bad
- WeiBe (1987 924S 2.5t) - 931 S3
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