ETE REMAN Blog

How to Prolong the Life of the A541E Transmission in Your Toyota Solara

Posted by on Thursday, July 31st, 2014

The A541E is a four-speed automatic transmission built by the Toyota Motor Corporation. It comes from a family of A5XX transmissions that includes the A540E and the A540H. This version of the transmission uses a steep 2.8:1 first gear ratio and a very generous 0.735:1 overdrive ratio, which is very helpful in increasing the mileage of the vehicles in which it’s installed. The A541E transmission was first used in 1994 and remained in production through the end of the 2001 model year. This transmission could be found in a variety of vehicles, including the Toyota Avalon, the Sienna, and the Camry, along with the Lexus ES 300. It was also found in the V6 engine-equipped Toyota Solara.

Solara, Source: cardomain.com

The Solara came with the A541E automatic transmission.

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Keep the 4L80E Transmission in Your Shuttle Bus Running Like a Top

Posted by on Wednesday, July 30th, 2014

The 4L80E is a very heavy-duty, four-speed automatic overdrive transmission. It is heavily based on the earlier three speed TH400 transmission. The 4L80E is a fully electronic transmission that uses electrical solenoids to shift the transmission and incorporates an electronic look-up torque converter. It uses a 2.48:1 ratio first gear and a 0.75:1 ratio overdrive gear.

This particular automatic transmission first went into use back in 1991 and remained in the GM lineup through the end of the 2006 model year. It could be found in also sorts of heavy GM vehicles, including the Chevrolet C/K pickup, the Suburban, the GMC Yukon, the Avalanche, and the Hummer H1. It could also be found in the heavy-duty versions of the full-size Chevrolet Express vans that made up the chassis of many shuttle buses.

Source: creativebussales.com

Chevy van-based shuttle buses come with the 4L80E transmission.

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How to Extend the Life of the 4T80 Transmission in Your Buick Lucerne

Posted by on Tuesday, July 29th, 2014

The 4T80 is a four-speed automatic transmission designed and built by General Motors. It is based on the older TH125 automatic transmission. The T480 was designed to be used exclusively with cars that incorporated V8 engines and used a front-wheel drive design. All engines used with this transmission were of the Cadillac Northstar family. It is a fairly heavy-duty transmission and was used in cars weighing as much as 8000 lbs. This transmission comes equipped with a 2.96:1 ratio first gear and a 0.68:1 overdrive gear.

The 4T80 first went into production back in 1994 and was in continuous use up through the end of the 2011 model year. The 4T80 automatic transmission could be found in many General Motor vehicles, including the Cadillac Deville, the Eldorado, the Seville, and DTS. In addition, it could be found in the Oldsmobile Aurora, the Pontiac Bonneville GXP and the Buick Lucerne.

The Buick Lucerne (Wiki)

The Buick Lucerne was available with the optional 4T80 automatic transmission.

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Performance Upgrades for the 6L80 Transmission in you Cadillac XLR-V

Posted by on Monday, July 28th, 2014

The 6L80 is a six-speed automatic transmission designed and built by General Motors. It was designed to replace the 4L60E and the 4L80E automatic transmissions. It was eventually replaced by the eight-speed 8L90 transmission. The 6L80 is a heavy-duty transmission designed to be used in vehicles with rear-wheel drive. It comes equipped with a very steep 4.027:1 ratio first gear and a very nice 0.66:1 overdrive gear.

It was first put into production in 2006 and can still be found in a number of GM cars today. It could be ordered in a variety of vehicles, including the Chevrolet Camaro, the Pontiac G8, the Cadillac STS-V, the Escalade, the Hummer H2, the Camaro (including the very powerful Camaro ZL1), and the Holden VF Commodore. It could also be found in the Cadillac XLR-V.

Cadillac (Wiki)

The Cadillac XLR-V came with the 6L80 automatic transmission.

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Prepare the AOD Transmission in Your Classic Saleen Mustang for Autocross

Posted by on Friday, July 25th, 2014

The AOD was Ford Motor Corporations very first overdrive automatic transmission.  It was designed to give Ford vehicles better gas mileage after the 1970’s oil embargos.  It took the place of the C4, C5 and light duty versions of the FMX transmission. When it was introduced in 1980, it remained in the Ford lineup for a very long time– finally being phased out of use at the end of the 1993 model year.  It was used in many Ford vehicles, including the LTD, the Thunderbird, the Econoline van, the Crown Victoria, the Bronco and the many versions of the F-series pickup trucks.  It was also used in the Saleen version of the Mustang.

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Don’t Let the ZF 8HP Transmission in Your Audi A5 Leave You Stranded

Posted by on Thursday, July 24th, 2014

The 8HP is an eight-speed automatic transmission built by the ZF Friedrichshafen Company. The 8HP comes in a number of varieties, including the 8HP30, the 8HP45, the 8HP55, the 8HP70 and the 8HP90. The weakest of the varieties, the 8HP30, can handle up to 300 N-m of torque. The strongest–the 8HP90– can handle an unbelievable 900 N-m of torque.  The 8HP was designed to replace the 6HP transmission–a six-speed automatic– mainly to obtain better gas mileage in the vehicles it was used in. This transmission first went into production in 2008 and remains in production today.  The 8HP has a very steep 4.69:1 ratio first gear (excellent for quick take-offs), and a very generous overdrive ratio of 0.66:1 (great for maximizing gas mileage). A different version of the 8HP can be found in a wide variety of vehicles, including the Audi A4, the Bentley Mulsanne, the BMW 3 series, the Chrysler 300, the Dodge Durango, the Jaguar XF, the Lancia Thema, and the stellar Audi A5.

 

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Put a Racing C4 Transmission in a Big Block 1973 Mach I Mustang

Posted by on Wednesday, July 23rd, 2014

The C4 is a medium duty 3-speed automatic transmission designed and built by Ford. It is designed for vehicles with the motor mount up front in a longitudinal position and rear wheel drive. Over the years there have been three basic designs of this transmission, with the variation being the number of spline on the input and output shafts. They are as follows: 1964 – 1969: 24 /24, 1970: 26 / 26 and 1971 – 1979: 26 / 25. This transmission first went into production back in 1964 and remained in the lineup all the way through 1979. The C4 was eventually replaced by the C5 transmission, which is really nothing more than a C4 with a lockup torque converter.  The C4 could be found in a wide variety of vehicles (with mostly straight 6 and small V8 engines), including the Bronco, the F-series, the Fairlane, the Fairmont, the Falcon, the Granada, the Ranchero, the Thunderbird and the Maverick.

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Don’t Let Excessive Heat Destroy The 4L80E Transmission In Your Hummer H1

Posted by on Tuesday, July 22nd, 2014

The 4L80E is a four speed automatic overdrive transmission developed and produced by General Motors.  It is the predecessor to the TH400 three speed transmission, and in fact shares some component in common with this transmission. The 4L80E comes from a family of transmission that includes the 4L85E, a slightly heavier duty version of the 4L80E. The 4L80E is a heavy duty transmission capable of handling up to 440 lb-ft of torque.  It comes with a fairly steep first gear ratio of 2.48:1 and a final overdrive gear ratio of 0.75:1 (25% overdriven). This transmission was first introduced to the lineup in 1991 and was available as recently as 2013. The 4L80E automatic transmission could be found in a variety of vehicles, including the Chevrolet Silverado 2500HD / 3500HD, the Sierra 2500HD / 3500HD, the Avalanche ¾ ton, the Rolls Royce Silver Spur, the Bentley Turbo R, The Jaguar XJR and the Aston Martin DB7. It could also be found in the Hummer H1.

 

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Racing With A TH400 Transmission In A 1970 SS Chevelle

Posted by on Monday, July 21st, 2014

The Th400 is a heavy duty three-speed automatic transmission designed and built by General Motors. It comes from a family of transmissions that include the THM400, the THM375, the 3L80 and the 3L80HD. The TH400 was first put into production back in 1964 and was last used in President Reagan’s limousine in 1984. This transmission came with a 2.48:1 ratio first gear and a 1:1 ratio final 3rd gear. Although strong, it was not great for gas mileage. The TH400 could be found in many performance vehicles including the El Camino, the Corvette, the Monte Carlo SS, the Trans Am and the Oldsmobile 442. It could also be found in the 1970 Chevelle SS.

 

The 1970 Chevelle SS came with the TH400 automatic transmission

Source: americanclassiccars.com

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Prevent Damage to the 5HP18 Transmission in Your BMW 325i When Racing

Posted by on Friday, July 18th, 2014

The 5HP18 is a five-speed automatic transmission built by the German company ZF Friedrichshafen. It is designed for use with engines mounted in a longitudinal position and rear-wheel drive. It comes from a large family of transmissions that include the 5HP19, the 5HP24, and the 5HP30. This transmission was first used in 1992 and was quickly phased out of production in 1999. It could be found in many popular BMW vehicles, including the E32, the E34, the E36, and the E39. It was also used I the BMW 325i.

The BMW 325i came with the 5HP18 automatic transmission.

The BMW 325i came with the 5HP18 automatic transmission.

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