MK-I MK-II MK-III MK-IV GULF MIRAGE J-CAR LOLA
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Why not start with your first post today and become an active part of GT40s.com now! And, if you find you enjoy GT40s.com think about becoming a Forum Supporter. | | GT40 Tech - Chassis,Brakes,Tires,&Wheels Chassis and Handling. | 
01-19-08, 01:10 PM
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#1 (permalink)
| | Kalun_D 5 Tenths
Join Date: Dec 2003 Location: Seattle GT40: KVA body, scrat
Posts: 556
Rep Power: 10  | Brake Master Question
Building a hydraulic E-brake and was wondering if there's such a thing as a single brake master that is pull actuated? (instead of push). Have seen this with slaves but not with masters.
(Don't remind me that hydraulic E-brakes sometimes don't hold, going to incorporate a strong spring to keep this from happening.) | 
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01-19-08, 08:47 PM
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#2 (permalink)
| | wbmusarra 10 tenths
Join Date: Oct 2001 Location: Snellville, Ga. "Everybody's somebody in Snellville" GT40: DRB#5
Posts: 1,114
Rep Power: 19 | Re: Brake Master Question
Kalun,
Most of the master cylinders are push activated. To change, make a fulcurm mechanism that allows you to pull the handle and it transfers the action to a push. Otherwise you will have to use a pull type slave to do it. The fieros and such use a pull handle. This should be translated fairly easily to what you want(at least in my mind it is).
Bill
__________________
DRB#5
351 Windsor bored, stroked internaly balanced
DIS
TWM 8 Port F. I.
930 Porsche LSD | |
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01-19-08, 10:48 PM
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#3 (permalink)
| | Eric Martin A Tenth
Join Date: Sep 2004 Location: Dallas TX U.S.A. GT40: none now, planning one
Posts: 127
Rep Power: 5 | Re: Brake Master Question
Look at the linkage that is used on sand buggies for turning brakes. Something like that is what you need. | |
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01-19-08, 11:10 PM
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#4 (permalink)
| | Kalun_D 5 Tenths
Join Date: Dec 2003 Location: Seattle GT40: KVA body, scrat
Posts: 556
Rep Power: 10 | Re: Brake Master Question
Yeah I've looked at the bell crank idea and will go that way if I can't find a reverse master, just don't have a lot of room in the area above the center tunnel.
A reverse master would solve the problem with less moving parts, less weight, and what's getting more important lately, less time. | |
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01-20-08, 03:27 PM
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#5 (permalink)
| | IanAnderson Gold Supporter
Join Date: Nov 2003 Location: Heathrow, London, UK GT40: Dax 40 Mk1 (Rover3.9EFi)
Posts: 1,230
Rep Power: 17 | Re: Brake Master Question
__________________
Purchased a pile of bits said to be a DAX40,
Got it on the Road June 2006 (Thanks Paul)
Still tweaking EFi and getting used to driving with a grin on my face! | 
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01-20-08, 04:02 PM
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#6 (permalink)
| | RacerDave Bronze Supporter
Join Date: Dec 2007 Location: North Carolina GT40: scratch build
Posts: 81
Rep Power: 1 | Re: Brake Master Question
AP Racing makes Pull type master cylinders CP 6465 and CP5854 series.
They start at.625 and go up to 1" bores. you should be able to find them in the nascar brake section of Essex Parts Services
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Speed is never a question of how Fast you want to go, but how much you want to spend to go Fast. | |
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01-27-08, 05:10 PM
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#7 (permalink)
| | Kalun_D 5 Tenths
Join Date: Dec 2003 Location: Seattle GT40: KVA body, scrat
Posts: 556
Rep Power: 10 | Re: Brake Master Question
Quote:
Originally Posted by RacerDave  AP Racing makes Pull type master cylinders CP 6465 and CP5854 series.
They start at.625 and go up to 1" bores. you should be able to find them in the nascar brake section of Essex Parts Services |
PERFECT!!!! | |
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