question: What's the difference in wear and tear driving at high RPM or driving at low RPM (Legit asking for a friend)
comment: The higher the RPMs, the more wear and tear there is on the engine (generally), and the more fuel consumed (always). RPM is an indication of how hard the engine is working - higher RPMs = more work. More work = more fuel consumed and greater wear and tear. At 3,000 RPM, the engine moves through three times as many up-down piston, valve and crankshaft cycles as it does at 1,000 RPM in any given amount of time. RPM = "revolutions per minute" and what is revolving is the piston arm - the piston moves up and down which turns the crankshaft. The transmission transfers the movement of the crankshaft to the wheels, and a higher gear transfers the work more efficiently (so less work is required to turn the wheels when the transmission is in a higher gear). You want to match the gear to your speed (and to a certain extent, whether you're climbing, towing, engine braking, etc.), which will make the engine most efficient and keep wear and tear to a minimum. Keep struggling with using 4th gear to start moving and you'll eventually need to replace the transmission. Use 2nd gear on the highway, and you'll use a ton of gas and soon need to replace most of the moving parts in the engine.
passages: BULLET::::- 2009-2010 Chevrolet Cobalt (economy package 3.63:1 FDR is RPO FY1)
  
  BULLET::::- 2005–2007 Pontiac G5
  
  BULLET::::- 2003–2007 Saturn Ion
  
  BULLET::::- Opel Corsa
  
  BULLET::::- Opel Astra
  
  BULLET::::- 2000–2002 Opel Vectra B
  
  BULLET::::- Opel Combo
  
  BULLET::::- Opel Zafira
  
  BULLET::::- Opel Tigra
  
  BULLET::::- Opel Speedster
  
  BULLET::::- Saturn L-series
  
  BULLET::::- Chevrolet Malibu
  
  f23 
  
  BULLET::::- 2005–2008 Chevrolet HHR
  
  BULLET::::- 2009-2010 Chevrolet HHR is 3.95:1 FDRr.
  
  Section::::Gear ratios.:MG3.
  
  RPO code MG3 is rated for heavier vehicles with a maximum GVWR of .
  
  BULLET::::- Applications
  
  BULLET::::- 2002–2007 Saturn Vue
  
  Section::::Mechanical Faults.
  
  Section::::Mechanical Faults.:Rattling / Grinding.
   Applications:
  
  BULLET::::- 1980–1986 Ford LTD
  
  BULLET::::- 1980–1993 Ford Thunderbird
  
  BULLET::::- 1980–1993 Mercury Cougar
  
  BULLET::::- 1984–1993 Ford Mustang
  
  BULLET::::- 1980–1986 Mercury Marquis
  
  BULLET::::- 1983–1993 Ford Econoline
  
  BULLET::::- 1983–1991 Ford LTD Crown Victoria
  
  BULLET::::- 1983–1992 Mercury Grand Marquis
  
  BULLET::::- 1982–1993 Ford Bronco
  
  BULLET::::- 1981–1992 Lincoln Town Car
  
  BULLET::::- 1980–1987 Lincoln Continental
  
  BULLET::::- 1980–1983 Continental Mark VI
  
  BULLET::::- 1984–1985 Continental Mark VII
  
  BULLET::::- 1986–1992 Lincoln Mark VII
  
  BULLET::::- 1992 Ford Crown Victoria
  
  BULLET::::- 1980–1993 Ford F-Series
  
  Section::::Gear ratios.
  
  BULLET::::- First: 2.400:1
  
  BULLET::::- Second: 1.467:1
  
  BULLET::::- Third: 1.00:1
  
  BULLET::::- Overdrive: 0.667:1
  
  BULLET::::- Reverse: 2.00:1
  
  Section::::AODE.
   BULLET::::- Maserati GranTurismo S Cambiocorsa: 100 ms
  
  BULLET::::- Mercedes-Benz SLS AMG: 100 ms
  
  BULLET::::- Fastest Automatic/semi-automatic transmission: 100 ms
  
  BULLET::::- Lexus LC500: 120ms
  
  BULLET::::- Chevrolet Camaro ZL1: ~150 ms (36% faster than PDK)
  
  BULLET::::- Clio RS EDC 200: 150 ms (race mode)
  
  BULLET::::- Enzo Ferrari: 150 ms
  
  BULLET::::- Nissan GT-R: 150 ms (R Mode)
  
  BULLET::::- FXX Evoluzione: 160 ms
  
  BULLET::::- Lexus LFA: 200 ms
  
  BULLET::::- Ferrari 360 Challenge Stradale & Ferrari F430: 250 ms
  
  BULLET::::- BMW M3 E36 with SMG I: 250 ms
  
  BULLET::::- Aston Martin Vanquish: 250 ms
  
  BULLET::::- The fastest (Race gearbox) manual: 250 ms
   The gearbox has shown to hold more power than the factory stated quite reliably. That being said, a lower geared final drive helps eliminate excessive stress on the gears; thus the 3.82 FD (final drive) is weaker than the 4.05 and the now hard to source 4.45 gearset is the strongest. The transmission can still break, especially with a fast spooling turbo to create a low end boost spike. The most common gear to break is third, and commonly a boost ramp is tuned in to help prolong the stock transmission. In general, the transmission will hold up better if the boost comes in later so it is not a sudden surge of power. Wheel hop is a killer of transmissions and axles, creating excessive stress as the wheels load and unload.
   Section::::360cc era.:Fellow Max.
   The gear ratios are:
  
  BULLET::::- First: 2.84 :1
  
  BULLET::::- Second: 1.55 :1
  
  BULLET::::- Third: 1.00 :1
  
  BULLET::::- Overdrive: 0.70 :1
  
  BULLET::::- Reverse: 2.32 :1
  
  Applications:
  
  BULLET::::- 1993–1998 Lincoln Mark VIII
  
  BULLET::::- 1993–2003 Ford F-Series
  
  BULLET::::- 1994–1997 Ford Thunderbird
  
  BULLET::::- 1995–2004 Ford Crown Victoria
  
  BULLET::::- 1996–2001 Ford Explorer
  
  BULLET::::- 1993–2004 Lincoln Town Car
  
  BULLET::::- 1994–1997 Mercury Cougar
  
  BULLET::::- 1995–2004 Mercury Grand Marquis
  
  BULLET::::- 2003 Mercury Marauder
  
  BULLET::::- 1997–2004 Ford Expedition
  
  BULLET::::- 1997–2001 Mercury Mountaineer
  
  BULLET::::- 1996–2004 Ford Mustang
  
  Section::::4R75W.
   3.61 final drive is used on Saab 9000 2,3l engines with turbocharger, other final drive rations used on early cars is 4,21, 4,05, 3,82 and 4,45 (non turbo).
  
  Section::::Versions.
  
  Different versions of the transaxle are available depending upon the application. Both cable and rod shift mechanisms are available, as well as application-specific clutch housings. The MU3 and MC2 are differentiated by ratios, with the MC2 available with a lower top-gear ratio.
  
  MC2 gear ratios:
  
  MU3 gear ratios:
  
  Section::::Applications.
  
  BULLET::::- 1985-1998 Saab 9000 (F25)
  
  BULLET::::- 2004-2007 Saturn ION Red Line (MU3)
  
  BULLET::::- 2005-2007 Chevrolet Cobalt SS Supercharged (MU3)
   Two kinds of drive cycle can be made. One is DISTANCE DEPENDENT (SPEED versus DISTANCE versus ALTITUDE) and the other one is TIME DEPENDENT (SPEED VS TIME VS GEAR SHIFT). The DISTANCE DEPENDENT is the actual replica of the test road whereas TIME DEPENDENT is the compressed version of the actual time taken to conduct the test on road. Examples of TIME DEPENDENT drive cycles are European NEDC cycle, FTP-75. TIME DEPENDENT drive cycles are used specifically for chassis dynamo meter testing because in a short time the results can be availed and repeated tests can be done easily.
   Geary v Rankine
  
  Section::::Facts.
   In most automatic transmissions, the drive turbine only functions as an input to the transmission where the power is redirected to gears in its automatic gearbox. Turboglide differs by using "three" individual drive turbines, each connected to a different ratio inside the gearbox. Oil leaving the pump first strikes the turbine connected to the Low (first gear) ratio. The design of the turbine permits oil to pass through its blades and strike the next turbine in line, the one connected to the Intermediate ratio, which receives some of the energy remaining in the oil flow. After leaving the intermediate turbine, the oil is passed to the direct turbine which is direct drive at drive shaft speed. As the car starts from rest, the low turbine, which has the greatest gear reduction ratio is relatively easy to bring up to match pump (engine) speed and the car starts from rest easily and accelerates quickly. While this occurs, the intermediate turbine receives an ever increasing share of the energy from the pump, as the Low turbine moves faster and oil passes more freely through it. Eventually, the low turbine matches pump speed, and the low turbine freewheels on a one-way sprag clutch much like on a bicycle. At this point, the intermediate turbine is carrying the majority of the drive force, and some energy is being sent to the direct turbine from the oil passing through the intermediate turbine as it also begins to match pump speed. Eventually, the intermediate turbine also matches pump speed, and the oil passes freely through low and intermediate turbines to drive the direct turbine alone, in direct drive (1:1 ratio). Because of the overlapping power input in different ratios, there is no 'shift' or sequential gearing, rather there is a concurrent geared drive, in effect the car starts out in 1-2-3, eventually drops 1 to be in 2-3 and eventually drops 2 to be in 3 alone.
   Gear Ratios:
  
  BULLET::::- 65RFE
  
  BULLET::::- 1st 3.00:1
  
  BULLET::::- 2nd 1.67:1
  
  BULLET::::- 3rd 1.50:1
  
  BULLET::::- 4th 1.00:1
  
  BULLET::::- 5th 0.75:1
  
  BULLET::::- 6th 0.67:1
  
  BULLET::::- Reverse 3.00:1
  
  BULLET::::- 66RFE
  
  BULLET::::- 1st 3.231:1
  
  BULLET::::- 2nd 1.837:1
  
  BULLET::::- 3rd 1.410:1
  
  BULLET::::- 4th 1.000:1
  
  BULLET::::- 5th 0.816:1
  
  BULLET::::- 6th 0.625:1
  
  BULLET::::- Reverse 4.444:1
  
  Applications:
  
  BULLET::::- 65RFE
  
  BULLET::::- 2012 Dodge Durango (5.7L)
  
  BULLET::::- 2012-2013 Jeep Grand Cherokee (5.7L)
  
  BULLET::::- 2012 Ram 1500 (4.7L, 5.7L)
  
  BULLET::::- 66RFE
  
  BULLET::::- 2012 Ram 2500 (5.7L)
  
  BULLET::::- 2012 Ram Chassis Cab 3500 (5.7L)
  
  BULLET::::- 2012 Dodge Power Wagon
  
  BULLET::::- 2014 Ram 2500 (6.4L)
  
  Section::::Basic RFE operation.
   BULLET::::- "Hair dryers"- the car has a turbocharger, due to shape and sound of a turbocharger roughly resembling that of a hair dryer
  
  BULLET::::- "Kachunka chunka" - refers to the sound of an engine with a loping idle from a long-duration camshaft. Such a camshaft will make more power in the higher RPM ranges than a smoother-running shorter-duration camshaft.
  
  BULLET::::- "Laundry" – a braking parachute
  
  BULLET::::- "Moly" – refers to a chassis constructed of high strength alloy steel in the chassis tubing—commonly containing just less than 1% molybdenum
   Factors affecting the amount of backlash required in a gear train include errors in profile, pitch, tooth thickness, helix angle and center distance, and run-out. The greater the accuracy the smaller the backlash needed. Backlash is most commonly created by cutting the teeth deeper into the gears than the ideal depth. Another way of introducing backlash is by increasing the center distances between the gears.
  
  Backlash due to tooth thickness changes is typically measured along the pitch circle and is defined by:
  
  where:
  
  Backlash, measured on the pitch circle, due to operating center modifications is defined by:
   BULLET::::- Princess 3-Litre (ADO 37)
  
  Section::::Users.:Volvo.
  
  Between 1964 and 1976, BW-35 transmissions were used in the models 120, 1800, 140, 160 and 240.
  
  The gear ratios were as follows:
  
  BULLET::::- 1st gear: 2.39:1
  
  BULLET::::- 2nd gear: 1.45:1
  
  BULLET::::- 3rd gear: 1:1
  
  BULLET::::- Reverse: 2.09:1
  
  Section::::Users.:Wolseley.
  
  BULLET::::- 6/99 - 6/110 (ADO 10)
  
  BULLET::::- Saloon (ADO 71)
  
  Section::::Users.:Ford UK & Australia.
  
  BULLET::::- Escort Mk1
  
  BULLET::::- Capri Mk1
  
  BULLET::::- Cortina Mk1, Mk2 & early Mk3 (later Marks used Ford C3)
  
  BULLET::::- Corsair V4
  
  Escort and Cortina gear ratios are as follows:
  
  BULLET::::- 1st gear: 2.393:1
  
  BULLET::::- 2nd gear: 1.450:1
  
  BULLET::::- 3rd gear: 1.000:1
   BULLET::::- Please note that manufacturers may have different definitions of shift times, and some times below are not properly cited. List may not be complete.
  
  Official Gearbox shift times (Fastest to slowest):
  
  BULLET::::- Lamborghini Aventador LP 700-4 [Single clutch ISR gearbox]: 50ms
  
  BULLET::::- Ferrari 430 Scuderia: 60 ms
  
  BULLET::::- Maserati GranTurismo MC Stradale 2016: 60ms
  
  BULLET::::- BMW M5 E60 with SMG III: 65-250 ms
  
  BULLET::::- BMW M3 E46 with SMG II: 80 ms
  
  BULLET::::- BMW M3 E92 with M-DCT: 80 ms
  
  BULLET::::- Bugatti Veyron (DSG): 100 ms
  
  BULLET::::- Ferrari FXX: 100 ms
  
  BULLET::::- Drag car: 100 ms
   BULLET::::- 2016-present Lexus RC F
  
  BULLET::::- 2016-present Lexus GS F
  
  Gear ratios:
   Section::::Mechanical vs. electrical governors on turbines.:Electrical.
   BULLET::::- 1970–1970 Select Shift, 26/26 spline, castings: D0
  
  BULLET::::- 1971–1979 Select Shift, 26/24 spline, castings: D1, D2, D3, D4, D5, D6, D7, D8, D9
  
  Applications:
  
  BULLET::::- 1973–1977 Ford Bronco
  
  BULLET::::- 1974–1982 Ford Cortina
  
  BULLET::::- 1965–1983 Ford F-Series
  
  BULLET::::- 1964–1970 Ford Fairlane
  
  BULLET::::- 1978–1983 Ford Fairmont
  
  BULLET::::- 1965–1970 Ford Falcon
  
  BULLET::::- 1975–1982 Ford Granada
  
  BULLET::::- 1975–1980 Ford LTD
  
  BULLET::::- 1970–1977 Ford Maverick
  
  BULLET::::- 1965–1981 Ford Mustang
  
  BULLET::::- 1965–1979 Ford Ranchero
  
  BULLET::::- 1968–1981 Ford Thunderbird
  
  BULLET::::- 1968–1976 Ford Torino
  
  BULLET::::- 1964–1981 Lincolns
  
  BULLET::::- 1977–1980 Lincoln Versailles
  
  BULLET::::- 1974–1980 Mercury Bobcat
  
  BULLET::::- 1972–1981 Mercury Capri
  
  BULLET::::- 1964–1977 Mercury Comet
  
  BULLET::::- 1967–1981 Mercury Cougar
   Close-ratio transmissions are generally offered in sports cars, sport bikes, and especially in race vehicles, where the engine is tuned for maximum power in a narrow range of operating speeds, and the driver or rider can be expected to shift often to keep the engine in its power band.
   The global adaptation on OBDII variants occurs during driving; on non OBDII variants the global adaptation occurs 15 minutes after engine shut down. When the engine is inside a defined load and RPM range (60 – 120 kPa and 2000 – 3000 RPM) no pointed adaptation will occur all points in the fuel matrix will be changed instead by a multiplication factor. Global adaptation can change the points in the main fuel matrix by ±25% (Tech2 shows ±100%). Adaptation occurs every fifth minute and takes 30 seconds to finish, the criteria for the adaptation are: Lambda correction is activated and the coolant temperature is above 64℃ (147F). During the adaptation the ventilation valve on the carbon canister is held close.
   To adapt the F40 to North American applications and maximize performance, 3rd through 6th gears have been changed to higher-ratio gears starting in 2007 model year. The ratio for 3rd gear is now 1.37:1, and the ratio for 4th gear is no longer an overdrive, with a new ratio of 1.05:1. The 5th gear ratio is 0.85:1 and the 6th gear ratio is 0.71:1.
  
  BULLET::::- LOW MAINTENANCE
  
  The MT2/MU9 uses a Castrol Burmah (BOT 0063) manual transmission fluid, and is validated as "fill-for-life". No maintenance is required for normal operation.
  
  BULLET::::- OVERVIEW
   BULLET::::- 4—0.909
  
  BULLET::::- 5—0.702
  
  BULLET::::- R—3.153
  
  BULLET::::- 1992-1995 S20 B000 — 5 speed
  
  BULLET::::- Honda Civic EX,Si
  
  BULLET::::- 1—3.250
  
  BULLET::::- 2—1.900
  
  BULLET::::- 3—1.250
  
  BULLET::::- 4—0.909
  
  BULLET::::- 5—0.702
  
  BULLET::::- R—3.153
  
  BULLET::::- 1996-2006 SEV — 5 speed?
  
  BULLET::::- Honda HR-V
  
  BULLET::::- 1997 S8G — 5 speed?
  
  BULLET::::- Honda Integra (Japanese Domestic Market, ZC)
  
  BULLET::::- 1997-1999 S20 B000 — 5 speed
  
  BULLET::::- Honda Civic Coupe EX
  
  BULLET::::- 1998 E5F P4A — 5 speed
  
  BULLET::::- Honda Civic LX
  
  BULLET::::- 2004-2007 ATC6 — 6-speed
  
  BULLET::::- Honda Accord 3.0L
  
  BULLET::::- 2007-2008 SMJM — 5 speed
  
  BULLET::::- Honda Fit
  
  BULLET::::- 2009-2014 SP4M — 5 speed
   The GM transmissions are usually numerically designated in newton metres that means F35 is rated at 350 Nm, the weaker rod shifted SAAB version of the F35, the F25, at 250 Nm, F40 at 400 Nm, M32 at 320 Nm, and so on.
  
  Section::::Design.:Differential.
   BULLET::::- 1993-2002 Chevrolet Camaro (V6 models World-Class)
  
  BULLET::::- 1986-1989 Chevrolet Astro
  
  BULLET::::- 1986-1989 GMC Safari
  
  BULLET::::- 1993-1995 Chevrolet S-10
  
  BULLET::::- 1982-1986 Jeep CJ-7 and Jeep CJ-8 Scrambler (optional)
  
  BULLET::::- 1983-1986 Mercury Cougar XR-7
  
  BULLET::::- 1982-1983 (Datsun) Nissan 280ZX Turbo
  
  BULLET::::- 1984-1986 Nissan 300ZX Turbo
  
  BULLET::::- 1989-1995 Holden Commodore VN - VS S1
  
  BULLET::::- Panther Solo 2
  
  BULLET::::- 1983-1992 Pontiac Firebird (Non-World-Class T-5 to 1987 and World Class from 1988 - 1992 with RPO code MK6)
  
  BULLET::::- 1993-2002 Pontiac Firebird (V6 models World-Class)
  
  BULLET::::- 2004-2010 Mustang V6 4.0L
  
  BULLET::::- Ssangyong Musso
  
  BULLET::::- Ssangyong Korando
  
  BULLET::::- TVR Griffith 500
   An export-only version is confirmed to have been built for use in Oldsmobile Silhouette vans sold in some worldwide markets as an Opel Silhouette. It was mated to the Quad 4 engine and uses a 3.77/2.19/1.38/1.03/.80/3.94 gearset.
  