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neilbardsley |
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#1
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Newbie ![]() Group: Members Posts: 43 Joined: 11-October 20 From: England Member No.: 24,754 Region Association: Europe ![]() |
My car has almost new everything for the brakes.
Rebuilt front calipers. The first thing I did was to bleed the brakes. I didn't know about the proportioning value but will try to bleed that too. The pads have only had 200 miles use so are still bedding so hopefully there is more to come. I have to say I think my drum brakes on my 356 are as good and the disc brakes on my old 912 were better. Bad or good I could lock the wheels. I'm thinking of significantly upgrading the engine so would want more stopping power I've read about the BMW replacement, Alfa and Volvo. The Volvo sounds like the most straightforward and effective? |
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iankarr |
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#2
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The wrencher formerly known as Cuddy_K ![]() ![]() ![]() ![]() Group: Members Posts: 2,482 Joined: 22-May 15 From: Heber City, UT Member No.: 18,749 Region Association: Intermountain Region ![]() ![]() |
Properly functioning stock brakes are excellent and you should definitely be able to lock up the wheels. Did you set the rear venting clearance? That’s super important.
914 brakes can sometimes be a bit finicky to bleed when starting with all new components. On my car, when I replaced the calipers it took no fewer than 4X with a pressure bleeder and some stomp bleeding as well, with short drives over bumpy roads in between to dislodge bubbles. I also shot fluid up through the bottom bleed screws with a syringe. Others have had good results with gravity bleeding. After that, the pedal is rock solid and the stopping power is great. Also, there’s a process for bedding the pads which involves repeated acceleration and hard braking (on empty roads)..not sure that driving alone will do as good a job. Check PMBperformance.com for more info. (IMG:style_emoticons/default/welcome.png) |
neilbardsley |
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#3
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Newbie ![]() Group: Members Posts: 43 Joined: 11-October 20 From: England Member No.: 24,754 Region Association: Europe ![]() |
Properly functioning stock brakes are excellent and you should definitely be able to lock up the wheels. Did you set the rear venting clearance? That’s super important. 914 brakes can sometimes be a bit finicky to bleed when starting with all new components. On my car, when I replaced the calipers it took no fewer than 4X with a pressure bleeder and some stomp bleeding as well, with short drives over bumpy roads in between to dislodge bubbles. I also shot fluid up through the bottom bleed screws with a syringe. Others have had good results with gravity bleeding. After that, the pedal is rock solid and the stopping power is great. Also, there’s a process for bedding the pads which involves repeated acceleration and hard braking (on empty roads)..not sure that driving alone will do as good a job. Check PMBperformance.com for more info. (IMG:style_emoticons/default/welcome.png) The previous owner, who is a better mechanic than, me set the rear venting clearance. I've changed discs/pads on my more modern cars and the pads normally bad in pretty quickly. PS your location is reminding me that maybe years ago a did a Triathlon in Rye. Not a million miles from your location. Very nice area and a lot more green than our place on the Huston in NJ. |
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