The 4L80E weighs 178 lbs in typical configuration. Unless you are racing for a record attempt where hundredths of a second are crucial, reliability is usually a more important factor. 05 second in Elapsed Time in the ¼ mile, you gain reliability. So for a small loss of power often equating to less than. The thing to remember is, typically the lighter duty transmissions become a maintenance item at these power levels. As you get into the low 10 second ¼ mile times, you may start to see some differences between a lightweight transmission and a heavier one. They simply aren’t accelerating fast enough that the rotating mass really comes into play. Our testing has shown that you will not see any significant power loss in a 11, 12 or 13 second combination. Power loss through the transmission will increase the faster you accelerate it.
So what this means to the average enthusiast is the faster your car, the more power the transmission will consume. It DOES take more power to accelerate or decelerate the heavier mass. So unless there is more friction involved, a heavier rotating mass doesn’t take any more HP to maintain the same speed as a much lighter mass. Remember an object in motion tends to stay in motion unless acted upon by another force. However what is widely misunderstood is that yes it’s heavier, but that alone doesn’t cause more power loss. The biggest loss would seem to come from the heavier rotating mass.
It has a positive displacement pump as opposed to a variable displacement, it is heavier, has more rotating mass, more clutch drag, and on the surface would seem to “eat” HP. The 4L80E will theoretically consume more HP than a 4L60E or other lighter duty transmission. It’s not for everyone, but it is the unit of choice if you plan to make serious power. Simply put, from a design and engineering perspective, it’s a superior transmission in more powerful combinations. It has better power flow for big power applications, much more clutch capacity and apply area than the 4L60E. It is very rugged, has much more potential for power capacity than any other overdrive transmission on the market. Longer by written arrangement – contact us.The 4L80E is a descendent of the proven TH400 transmission design.
4L80E TORQUE CONVERTER FULL
You have 120 days from the date of despatch to return your original torque converter for a full refund of the deposit. Refundable Deposit of $350 will be added to your cart automatically and will be refunded once you have returned your original torque converter (in working condition) to Wholesale Automatics.Exchange basis means we send you a customised torque converter that you need to swap over or ‘Exchange’ for the torque converter currently in your transmission.Built to Order means it may take up to 2 weeks to build the torque converter depending on availability and work load.This product is Built to Order and sold on an Exchange basis that requires a Refundable Deposit. As with all good development projects we have taken all customer feedback into consideration and it is this that allows us to build the perfect torque converter.Stall speeds have been fine tuned and well tested over time to be a perfect match to the engine.Purpose built to suit each engine’s requirements.
Double kiln bronzing to prevent vanes dislodging (on turbine).Key Features of our Custom Heavy Duty Torque Converter Include: Moreover, our torque converter overcomes all known factory faults. Our heavy duty torque converters are all custom built to overcome these issues and many other inefficiencies.
This may lead to overheating the transmission or contribute to poor fuel consumption. For example, in most cases factory torque converters are not built to handle any power upgrades or to tow excessive weights for long distances. Our custom heavy duty torque converter copes with situations where the original torque converter would struggle or fail. They are strengthened to provide superior performance and durability compared to the stock torque converter. Our heavy duty torque converters are custom built in Australia to suit a specific engine and transmission.
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