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911/01
- This is the type 911/01 with A-GA-O-V-ZA gears, and applies to both 1970 & 1971. If you build more than 11,000 transmissions of one type in a year and you have only 4 digits for serial #, then you need a second series; so 710xxxx becomes 770xxxx and 711xxxx becomes 771xxxx.
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The Porsche 915 transmission switched to a traditional pattern but was known for baulking when cold. The C and D Series of 911 moved to the 911/01 gearbox for 1970 and 1971 (where the dogleg first remained) until the arrival of the famous 915 transmission in 1972, alongside the 2.4-litre era of Porsche 911.
That is a 911 transmission from 1970, not a 901 but similar. The 10 means it had an LSD !!! Porsche Historian, contact for Kardex & CoA-type Reports. Addicted since 1975, ESR mbr# 2200 to 2024 03. Researching Paint codes and Engine Build numbers. 03-18-2011, 11:10 AM #3.
Jan 24, 2014 · This is the type 911/01 with A-GA-O-V-ZA gears, and applies to both 1970 & 1971. If you build more than 11,000 transmissions of one type in a year and you have only 4 digits for serial #, then you need a second series; so 710xxxx becomes 770xxxx and 711xxxx becomes 771xxxx.
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Type Flat 6Induction Normally-aspiratedCooling Air/oil-cooledValvetrain Single overhead camshaftType Rear-engined, rear-wheel driveCurb Weight 2,249 lbs.Height 51.97 in/1,320 mmGround Clearance 5.91 in/150 mmCaliper Front Fixed 2-pistonCaliper Rear Fixed 2-pistonDisc Type Front Ventilated discsDisc Type Rear Ventilated discs0 to 60 MPH N/ATop Speed 137 mph manual/134 mph SportomaticMPG City N/AMPG Highway N/AMPG Combined N/AFuel Tank Capacity 16.4 U.S. gallonsProbable Transmission number: 710xxxx or 770xxxx. 7 = Transmission for 6-cylinder engine. 1 or 7 = 5-speed, standard ratio, Type 911/01. 0 = Model year 1970. xxxx = Sequential number. Serial# 711 is from a 1971. Looks like this 1970 is not a match.
In the 911 T, a magnesium housing accommodated the five-speed manual transmission plus reverse gear. Porsche has switched between aluminium and magnesium housings since the 1970s, depending on model. The 911 T has a light, filigree housing with pronounced ribs for cooling and rigidity. It is quite a beautiful sight for technology connoisseurs.
Jan 11, 2009 · In 1970, Porsche changed the 901′s clutch actuation and called it a 911 type gearbox. These were still 901-type transmissions now coupled with a larger, pull-type clutch actuating mechanism. Clutches used in these cars were the 215mm unit used from 65-69 and the 225mm unit used from 70 to 71.
