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1500logo.jpg (8159 bytes)Brake Hydraulics and
      wheel cylinder specifications

   

Well this has been one heck of a project, trying to find all the specs that is.  I'm 'fairly' sure I've got it all right... but as usual, try to check other sources as well. These are the numbers 'I' found. You may find others. I hope this helps some of you.  :-)

...update...

uuuuAAAHH!!!  No wonder we have such problems trying to get the right parts for our cars! The chart below was written up about 6 months ago and never posted. I just got back to trying to  complete it.  Now after referencing two more catalogs (8 total now) I'm finding even more discrepancies.  So...please take the following with a grain of salt (very large grain) . I'll try to and correct the list by further sub-dividing the factory part numbers across the proper U.S., U.K. and world markets as appropriate, as well as add some of the more common numbers found 'these days'.

   Another master listing can be found on this site, comparing the brake systems of Spits and GT6's Spit6 Project section under 
What about the braking systems?.

 

  Model

Brake Master Cyl Rear Wheel Clutch Master Clutch Slave
P/N Size P/N Size P/N Size P/N Size
Spitfire I 132125 5/8" 120132 3/4" 120308 5/8" 110762 3/4"
Spitfire II 132125 5/8" 120132 3/4" 120308 5/8" 144716 3/4"
Spitfire III to FD89096 146422 5/8" 120132 3/4" 120308 5/8" 144716 3/4"
Spitfire III from FD89096 146422 5/8" 121174 5/8" 120308 5/8" 144716 3/4"
Spitfire IV 146422 5/8" GWC1202 5/8" GMC205 5/8" 144716 3/4"
Spitfire 1500 to FH GMC224 5/8" GWC1202 5/8" GMC205 5/8" RTC7217 3/4"
Spitfire 1500 Tandem GMC226 0.7" GWC1110 0.7" GMC205 5/8" RTC7217 3/4"
GT6 MKI 145232 0.7" 146028 3/4" 120308 5/8" 516788 1.0"
GT6 MKI from KC7279 145232 0.7"

121174

3/4" 120308 5/8" 516788 1.0"
GT6 MKII 145232 0.7" 121174 3/4" 120308 5/8" 516788 1.0"
GT6 MKIII up to KE12,389 GMC209 0.7" GWC1110 11/16" GMC205 5/8" 516788 1.0"
GT6 MKIII up to KE20,000 GMC209 0.7" GWC1110 11/16" GMC205 5/8" 516788 1.0"
GT6 MKIII from KE20,000 218946 3/4" UKC1260 7/8" GMC205 5/8" 516788 1.0"

          

...recent update..12/2004...
      Please take some of the part numbers with a grain of salt.
     BUT the 'models' numbers should all be accurate.

  Model

Front Calipers Piston Bore
notes: P/N Model inches mm
Spitfire I - L/ 210988    R/ 210989 Girling 12P - -
Spitfire II - L/ 210988    R/ 210989 Girling 12P - -
Spitfire III to FD89096 - L/ 159131  R/ 159130 Girling 14LF - -
Spitfire III from FD89096 - L/ 159131  R/ 159130 Girling 14LF - -
Spitfire IV - L/ 159131  R/ 159130 Girling 14LF - -
Spitfire 1500 to FH - L/ 159131  R/ 159130 Girling 14LF - -
Spitfire 1500 Tandem - L/ 159131  R/ 159130 Girling 14LF - -
GT6 MKI Imperial L/ 307977  R/ 307976 Girling 16P 2.125 54
GT6 MKI from KC7279 Imperial L/ 307977  R/ 307976 Girling 16P

2.125

54
GT6 MKII Imperial L/ 307977  R/ 307976 Girling 16P 2.125 54
GT6 MKIII up to KE12,389 Metric L/ 311851  R/ 311852 Girling 16PB 2.125 54
GT6 MKIII up to KE20,000 Metric L/ 159026  R/ 159027 Girling 16PB 2.125 54
GT6 MKIII from KE20,000 Metric L/ 159026  R/ 159027 Girling 16PB 2.125 54

 

 



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