![]() Typically this is all you need to put the 4L80E into your muscle car aside from driveline shortening and crossmember mods or fabrication. The Muscle Car Kit will include a Stage 2 4L80E built with a mechanical speedo tailhousing for simple hookup to the existing cable speedo, a US Shift 80 Transmission Controller, Throttle Position Sensor (TPS) kit for Holley carbs, and a billet cover lockup converter. We have put together the common parts used in most of these retrofits to make it easier for the customer to do so. One of our biggest customer demands for the 4L80E is an all in one kit to install the 4L80E into a classic Camaro, Chevelle, Corvette, Nova or other GM car. All 4L80Es also include a new boost valve assembly, new shift solenoids, manifold pressure switch, internal wiring, as applicable.Īuto shift for computer controlled applicationsĪuto shift with Manual Low Transbrake (transbrake can only be activated in manual low position)įull manual forward pattern with Manual Low Transbrakeįull manual shift with D3 brake (allows 2nd or even 3rd gear launch)Īuto shift with D3 transbrake and 2.10 gearsetĪuto shift with D3 transbrake and 2.10 gearset plus aluminum 36 element drum The Street/Strip (Stage 2) 4L80E includes all new friction materials, steels, bands, rollerized forward hub, rollerized output shaft thrust, heavy duty intermediate snap ring, 6 clutch direct pack, Hi-Energy carbon clutches in select locations, hydraulic modifications for much increased power capacity and firmer shifting. Providing a REBUILDABLE core will be a credit toward your build price. All 4L80 builds now have a $650 core charge due to core shortages. It works very well in automatic computer controlled applications because the shifter can be left in D3 and the controller shifts the transmission, instead of requiring the driver to shift from D1 after launch. It requires transbrake activation for reverse. Our D3 transbrake allows for transbrake operation in any forward gear range. It has some special tuning considerations for use with a controller in an automatic shift situation. It works very well in full manual configuration. Our D1 transbrake, also known as the Manual Low transbrake, allows normal reverse operation but requires the gear selector to be in the 1st or low gear position to operate. Both designs will work in a stock depth pan. We have several upgrade options for the various stages of 4L80E. We offer two different transbrakes. We have more experience than any other aftermarket shop building 4L80E’s. If you have a 500+ HP musclecar, late model LSx powered car, or other combo that demands THE bulletproof trans, we can build it for you. We specialize in building the 4L80E for retrofit applications. Our valve body hydraulics have proven themselves repeatedly and our transbrakes have set the standard for release time. We have established ourselves in the industry with our exclusive innovative 4L80E valve body designs whether we use our in house recalibration kit, or one of our transbrakes, you are getting what no other company in the industry has. They include all new friction clutches, bands, steel plates, soft parts, filter, modulator (if applicable), as well as hydraulic upgrades, bearings added at several thrust locations, and other modifications depending on power level. Look for some innovative new products in the near future that should make the 4L80E even stronger.Īs with all Jake’s Performance transmissions they start with a select core that is disassembled, the case is hot tanked, pressure washed, inspected, painted and prepped for reassembly. Most of our development time is spent on the 4L80E. The 4L80E has proven reliable like it’s predecessor. We have built them for applications ranging from heavy towing vehicles to 1800+ HP street/strip cars. At Jake’s Performance the 4L80E is our most popular transmission. It shares many components and design features. The 4L80E is the descendant of the “Ole Reliable” TH400 transmission. If this makes sense to you, take a look at our 4L80E options below. We just want to be sure you get the strongest option available at the best price the first time. Other builders are afraid to cut into their sales and tell you this. We specialize in 4L80Es because we KNOW it is the only real option for REAL power with reliability. But there is more demand for 4L80s, so business wise, it makes sense to pursue that market. We could build and sell a very well built 4L60E that would compete with anybody’s on the market. Have you broken a Level II, V, or MXXVII 4L60E that is supposedly 700 HP capable with 450 HP? Multiple times? Have you ever read a build list for a 4L60E/65/70 and wondered why it sounded like everything in the trans was replaced for a performance build? That is because it’s the wrong unit to use in a big power application.
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