hey i have an unknown twin circuit master cylinder on hand:
has a big "1" cast on the side near the booster end where you would normally find "15/16" cast, am i right in assuming that its a 1in m/c?
cheers hey.

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"Stroked is fun, but I'ld rather get blown"
"Redlines are merely suggestions"

my shrinking garage is down to.....
2x 1600s
1x GQ Tray back
1x 300ZX
1x FZR600

Gimmie a look

There were some 1" alloy units off Cabstars and other cab over type commericals
Patrols were cast iron till the MQ and then they went to smaller bores and wrong mountings

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1969 Datsun 1000 wagon (Daily)
1969 Datsun 1000 coupe (Next project)
1969 Datsun 1000 coupe (Long term project)
1974 L34 Torana replica (In the build)
1976 SS Torana hatchback (Restoration project)
1976 Cadillac sedan deville (Pimp cruiser)