Compensating for a Tee, Deleting the brake compensator |
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Compensating for a Tee, Deleting the brake compensator |
forrestkhaag |
Jan 23 2017, 10:40 AM
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#1
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Senior Member Group: Members Posts: 935 Joined: 21-April 14 From: Scottsdale, Arizona Member No.: 17,273 Region Association: Southwest Region |
Does anyone have the experience and time to briefly describe any needed tricks to delete the brake compensator on an early car / This, so as to make way for a 6 engine mount?
Things like / Is more brake line needed in addition to the "tee" fitting? And is the tee a hardware store item or another "porsche-priced" item that would be metric, brass, and overpriced by 3x?... (IMG:style_emoticons/default/sheeplove.gif) Sounds like a good time to change out all brake fluid as well. I have heard the warnings if one is running 914-4 brake calipers / I am not and have nice beefy 911 calipers which will do the job up front verses in back. Thanks in advance. (IMG:style_emoticons/default/beerchug.gif) |
brant |
Jan 24 2017, 04:01 PM
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#2
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914 Wizard Group: Members Posts: 11,625 Joined: 30-December 02 From: Colorado Member No.: 47 Region Association: Rocky Mountains |
just a point of reference and it only partially applies to the Original posters question:
back when I had a 4cylinder race car I installed a T fitting and had a terrible experience. the car was a 4cylinder (so did not have the extra 150lbs of weight changing the overall balance) but the car also was running 911S calipers front and stock 914 rear calipers Further I varied the pad compounds for more brake balance to the rear with much softer compound pads on the rear compared to the front I had run an adjustable proportioning valve and felt that I need test the next step of increasing rear bias by trying out the T fitting, once my adjustable valve was fully open to the rear brakes. Well I went down the back straight away at our now defunct 2nd creek track. hit aboult 105/110mph going into the braking zone for a 90degree rt hand turn. the rears locked up (while in the braking zone and going perfectly straight) and within a flash the car did a 180 spin and continued on into the corner at 100mph going back wards. it happened so fast there was nothing I could do I went off the corner backwards at an excessive rate of speed So my opinion on the stock valve, is that you will rarely ever need it but when you do need it, there will be no warning and no time to correct. This will likely only occur at a high rate of speed where traction is imperative. and you will have very little control in the extreme situation where you do need it. I still run an adjustable proportioning valve on the track, now in a different car. I change my brake bias on a nearly daily basis for nearly each different track I go to. I have a pretty good feel for the balance and make very very small adjustments. but the one time a person is on the street and over their head... it will be a hard lesson to learn in an emergency situation |
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