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> caliper roullette, will it work?
race914
post Mar 29 2006, 12:43 PM
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QUOTE (race914 @ Mar 28 2006, 08:12 PM)
And I'm gonna be on the track at Buttonwillow with TWO guys playing caliper roulette (IMG:http://www.914world.com/bbs2/html/emoticons/huh.gif)

Just kidding with you guys (IMG:http://www.914world.com/bbs2/html/emoticons/wink.gif)

I currently have a 19mm master and M calipers up front and went through some of the same things after I initially made the changes.

Can't wait to run with you both at Buttonwillow. (IMG:http://www.914world.com/bbs2/html/emoticons/beerchug.gif)
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DanT
post Mar 29 2006, 07:46 PM
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update....

got the brakes bled and pads bedded in. everything seems to be in order.
Tested from 50 mph stop. no rear lockup (IMG:http://www.914world.com/bbs2/html/emoticons/biggrin.gif)

At least I know it will work around town...now for the track in a couple of weeks.

I love it when things work out (IMG:http://www.914world.com/bbs2/html/emoticons/huh.gif)

I knew you were just kiddin' Greg....What rear brakes did you go with? Stockers?
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Eric_Shea
post Mar 29 2006, 07:58 PM
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Cool... keep us posted.

What pads did you use front/rear?
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DanT
post Mar 29 2006, 08:01 PM
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Porterfield R4E for the front and PBR stockers for the rear.
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race914
post Mar 29 2006, 08:18 PM
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QUOTE (Dan (Almaden Valley) @ Mar 29 2006, 05:46 PM)

I knew you were just kiddin' Greg....What rear brakes did you go with? Stockers?

I still have the stock rear calipers. (and the emergency brakes work too!)

I had a couple different plans for upgrades but as I keep taking weight off the car.... The brakes work better & better (IMG:http://www.914world.com/bbs2/html/emoticons/smile.gif) so I'm thinking I don't want to add any more unsprung weight through bigger rotors & calipers if I don't have to

I actually have a set of early 90s Big Blacks & Carrera front struts ready to bolt up when & if the time comes
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Eddie Williams
post Mar 29 2006, 08:29 PM
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Shoot me if this is a hijack, but all this talk has me curious about my planned setup. S alloys up fron stock -4 in the rear, 19 mm MC, and a T. Yes/No/Maybe?
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Eric_Shea
post Mar 29 2006, 08:52 PM
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With the T you should be fine... it would be nice to have a slightly larger piston back there but, those come in 2 varieties:

914-6 - Expensive
911 - No handbrake, unless...
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john rogers
post Mar 29 2006, 09:05 PM
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I use the M calipers in front and BMW in the rear with Porterfield racing pads in front and the Axxis semi metalic pads in back and I too found that braking from 50 or 60 MPH was fine but from 135 it was a whole different story. The front pads need to get hot before they work well and the rear end danced a lot. I put in a manual prop valve and have the rear cut out by about 30% or so. This only happened at the CA Speedway as they use running starts and the pace lap is not enough time to get the front pads up to temp, even ridding the brakes some. I also found that when the front pads got really nice and hot that the front would drop really fast so I had to set the Koni front shocks really stiff. All other tracks I run them full soft.
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DanT
post Mar 29 2006, 09:05 PM
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I think I remember this....deja vu all over again (IMG:http://www.914world.com/bbs2/html/emoticons/ohmy.gif) (IMG:http://www.914world.com/bbs2/html/emoticons/biggrin.gif)

Thanks for the info John... That is what my test day at BW will be all about. How much do I need to heat up the fronts before the work really well and then do I have too much rear bias....
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Eric_Shea
post Mar 29 2006, 09:12 PM
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(and a spooky voice from the dark said... M-calipers in the rear with a p-valve and the same pads all around) (IMG:http://www.914world.com/bbs2/html/emoticons/laugh.gif)
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DanT
post Mar 29 2006, 09:14 PM
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I hear you (IMG:http://www.914world.com/bbs2/html/emoticons/wink.gif)
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Eric_Shea
post Mar 29 2006, 09:16 PM
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God... am I a pain in the ass or WHAT!?! (IMG:http://www.914world.com/bbs2/html/emoticons/lol3.gif)
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DanT
post Mar 29 2006, 09:23 PM
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I hear you (IMG:http://www.914world.com/bbs2/html/emoticons/biggrin.gif)

Keep it up Eric. Great information always. (IMG:http://www.914world.com/bbs2/html/emoticons/smile.gif)
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drew365
post Mar 29 2006, 09:31 PM
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Just to throw my setup in the mix: A calipers in front, M calipers in rear with vented SC rotors. I have adjustable bias valve and run Pagid pads. I never have brake issues so I can't complain. No emergency brake, but I don't plan on letting my insurance company know. If they ever saw a picture of my car it wouldn't much matter about the e brake!
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DanT
post Mar 29 2006, 09:34 PM
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4 bolt set up with 3" spacing is what I run....so I am limited to my choices. (IMG:http://www.914world.com/bbs2/html/emoticons/rolleyes.gif)
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race914
post Mar 30 2006, 09:33 AM
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Dan,

Here are the big blacks I had setup for my 914. Another option for 3" spacing.

Again I haven't done this yet since the weight loss program has taken away some of the need for bigger brakes. Remember Newland's car? He ran the Alloy S calipers and never had to go bigger...


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Eric_Shea
post Mar 30 2006, 10:50 AM
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QUOTE
He ran the Alloy S calipers and never had to go bigger...


(IMG:http://www.914world.com/bbs2/html/emoticons/agree.gif)
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