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Aoresteen
Member
- Joined
- Nov 9, 2014
- Messages
- 67
- Reaction score
- 2
- Points
- 8
- Location
- Newnan, GA
- Vehicle Year
- 1990
- Make / Model
- Ford
- Engine Size
- 2.9L
- Transmission
- Automatic
I'm upgrading my rear drum brakes from 9" to 10" with an 8.8" rear end swap for my 2WD 1990 Super Cab 2.9L.
The specs on the brake master cylinders are:
Master Cylinder:
4x2 models use a 0.938 inch master cylinder bore.
4x4 models use a 0.975 master cylinder bore.
http://www.therangerstation.com/tech_library/Brake_Upgrades.shtml
BrakeBest Select makes a master cylinder with a 1" bore that fits the 10" brakes:
http://www.oreillyauto.com/site/c/detail/OBH1/NMC2532/01292.oap?ck=Search_01292_5007342_1892&pt=01292&ppt=C0066
Should I get the larger bore or go with the smaller .937 bore that is also available? Cost difference is only $10.
Thanks!
The specs on the brake master cylinders are:
Master Cylinder:
4x2 models use a 0.938 inch master cylinder bore.
4x4 models use a 0.975 master cylinder bore.
http://www.therangerstation.com/tech_library/Brake_Upgrades.shtml
BrakeBest Select makes a master cylinder with a 1" bore that fits the 10" brakes:
http://www.oreillyauto.com/site/c/detail/OBH1/NMC2532/01292.oap?ck=Search_01292_5007342_1892&pt=01292&ppt=C0066
Should I get the larger bore or go with the smaller .937 bore that is also available? Cost difference is only $10.
Thanks!
