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Author
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Topic: Boss 302 Chassis book
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Mpcoluv
Gearhead Posts: 1421
From: Charlotte NC usa
Registered: Apr 2001
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posted 05-16-2001 05:30 PM
 
Hi,
Do any of you guys know what version of '69 truck the master cylinder
C9TZ2140-F came in? F-250 w/manual drum brakes?
This is listed as the required 4-wheel disk brake master cylinder for the Trans-Am Boss 302 mustangs
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SteveLaRiviere
Administrator Posts: 48752
From: Saco, Maine
Registered: May 99
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posted 05-16-2001 06:51 PM
I've heard that mod results in LOTS of pedal effort needed. ------------------
'72 Mustang Sprint Coupe 351C 4V/FMX/4.30 Trac Loc
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip
'97 Probe GTS 2.5L DOHC {Wife's car...}
All Fords since 1977
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richard bohm
Gearhead Posts: 373
From: tucson,az-luray,va
Registered: May 2001
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posted 05-19-2001 05:08 AM
yes it does. the larger the m/cyl bore the more fluid you push and the higher the pedal pressure needed. the smaller the bore the less fluid pushed and the lower the pedal pressure needed. if you use this m/cyl you want to use power brakes as well. especially if this a street car. also remember that if you use the m/cyl with disk brakes you want to remove the residual check valve that goes to the disk brakes. keep the valve for drums.
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