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Discussion summary
YOUR RESEARCHDo Turbo Brakes swap to 996 C2?
Leading reported evidence
Replace front and rear
Performed · outcome unconfirmed
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Leading evidence: 'Replace front and rear' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, the most frequently mentioned possible cause is 'timed results' (1 discussions; 0 report identifying it and 1 suggest it). The most frequently discussed action is 'Replace anything' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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I had to change the whole suspension to TT because i'm using TT carriers which the struts are thicker.
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I changed to tt brakes and I used the TT hubs/carriers it was a nightmare.
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Suggestion
He told me had i went to him, he would have been able to make fabrication parts that would have accepted the tt brakes without changing anything.
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I have the opportunity to get the brake calipers off a lightly used 2002 Turbo, and I want to know if the brake calipers will simply "SWAP" over to my existing system and brake discs, or should I expect a huge and expensive mess???
Thanks in advance
Carlos is right,......
You need the Turbo front hub carriers and bearings since the Turbo caliper bolt spacing is wider.
Also, Turbo hub carriers are designed for the larger diameter Turbo struts and you'll need those as well.
Yessir,.....bear in mind that Turbo struts are larger in diameter and only fit the Turbo hub carriers.
If you install the Turbo hub carriers to fit the Turbo brakes, you must use some kind of Turbo struts; Bilstein, H&R, Moton, or whatever,....
"Yessir,.....bear in mind that Turbo struts are larger in diameter and only fit the Turbo hub carriers."
unless the PSS9s (for the 996 - not 996TT) or H&R coilovers (for the 996 - not 996TT) are as large as the 996TT struts, that's not true because i have the 996TT brakes on my 996 (2 years ago) and aside from changing the wheel hubs, i made no other modifications besides the above referred coilovers to make it work.
how unbalanced would the handling become by adding a set of GT3 front brakes without changing the rear brakes?
Ben did you change both the front and back brakes?
yes, i changed front and rear. "unbalanced" is not an issue. however, if i had it to do over again, i'd have just changed the fronts to brembo le mans (lighter than the turbos) and left the rears stock.
Ben, did you go with the TT hubs/carriers or GT3 ones.?
I changed to tt brakes and I used the TT hubs/carriers it was a nightmare. I had to change the whole suspension to TT because i'm using TT carriers which the struts are thicker. Also, if you bought a turnkey kit, it may had a sleeve that allowed the thinner shocks/struts to go into the 996 one.
to whoever is planning to get the hubs/carriers off a TT to put on the 996 DO NOT DO IT! Look for GT3 hubs/carriers and you will be better off.
I had to customize the tension bolt that holds the hubs in because a 996 TT is AWD meaning it has a drive axel there. The regular 996 Tension bolt which holds the hub in will not fit and if you force it will damage the hub, wheel bearing, etc if you force it in. I paid $300 or so per new axle to cut off the drive shaft just to use a bolt that is worth $70. I was so far into the project it was the only way, unless I threw away the hubs/carriers I paid close to $1k for
I now see that this isn't worth doing....unless someone has a "sleeve" and "bolt" that retrofits the application....
I really appreciate all the input everyone!
This make PAINTING the calipers RED a viable choice...since my c2 brakes (black) work GREAT anyway!
sennasixty,
oh, if you are looking for the sleeve, I have a guy who may be able to make one for you. Check out
www.scargoracing.com
and look for rob. He helped me straighten out my mess after another mechanic got me into that hole with the brake upgrade.
He told me had i went to him, he would have been able to make fabrication parts that would have accepted the tt brakes without changing anything. And the good thing is all you need are the brake calipers.
Ill call rob....he's up in marin, right?
how much would those "sleeves "cost $ installed...i'm assuming i'd have to re'align the car after the frt end comes apart to install those sleeves!
"did you go with the TT hubs/carriers or GT3 ones.?"
GT3, and it was no problem. the TT ones are made for AWD cars whereas the GT3s are for narrow bodies.
"This make PAINTING the calipers RED a viable choice...since my c2 brakes (black) work GREAT anyway!"
this is the most intelligent thing to do cause it doesn't put on a bunch of unsprung weight. it's obviously a buttload cheaper too.
ben
that's probably why your stock 996 shocks fit the carriers without needing to be thicker. The turbo shocks are thicker in diameter and the carriers accomodate only thicker ones.
BTW, how is the supercharger treating you? Have you done any time trials or seat of the pants tests?
"BTW, how is the supercharger treating you? "
it's treating me great, but it has a voracious appetite for rear tires :-)
"Have you done any time trials or seat of the pants tests?"
most who have ridden in it have experienced ghost like symtoms (of course my test rides include some corners too!) :-) it's WAY faster - in every gear at every RPM. todd is getting ready to test his car - think some magazine is doing an article on it. however, he has heavy 19" wheels and does not yet have the light weight (faster reving) flywheel. i still suspect his timed results to be stellar. remember, these cars are cabs (3300+ lbs wet). also remember these cars produce more power, all the time, than a GT3 except the GT3 goes to 8k RPM.
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