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Modifications to the transmission tunnel may be required, including cutting and welding in extra metal for proper fitment of the TREMEC transmission. But they may be inadequate for fitting a modern TREMEC 5- or 6-speed. Larger tunnels weren’t necessary to fit the original transmissions (manual or automatic).
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Most cars from the 1960s and older have relatively narrow and short transmission tunnels. And these instructions may explain the process for properly adjustment items such as the clutch and shifter.įloor and/or Transmission Tunnel ModificationsĪ TREMEC 5- or 6-speed conversion into a classic vehicle may require modifying the floor/transmission tunnel for clearance and proper bellhousing and transmission input shaft alignment. There are often specific steps, measurements and adjustments to make sure that the installation goes smoothly. If you don’t pair all these elements together properly, it can result in more work for you.Īfter purchasing your TREMEC 5- or 6-speed transmission and accompanying parts, make sure to read the instructions. We’ll talk about several of these items a little later in this article. These kits can make installation much easier, and many of them provide you with items like a transmission cross member, bellhousing, clutch, shifter and/or transmission tunnel sheetmetal. Next, talk to a TREMEC Elite Distributor about the different conversion kits available for your specific application. Get an Installation Kit if One is Available for Your Car
How to install transmission tunnel how to#
This TREMEC blog shows how to use the calculator and understand the data it provides. The TREMEC Gear Ratio Calculator is a great tool to ensure that you have the correct axle gear ratio and tire diameter to match the gearing inside the selected TREMEC transmission. The transmission gear ratios, tire diameter, rear axle gearing and how you intend to use your vehicle are major factors to consider. Consulting with the experts at a TREMEC Elite Distributor will help you plan.Ĭhoose the Best TREMEC Transmission for Your Applicationīefore deciding on a TREMEC transmission, you first need to understand how the whole package works. The first step in making your TREMEC transmission installation easier is knowing which 5-speed or 6-speed will be best for your application. To give you the best tips to make installing a TREMEC 5-speed or 6-speed transmission as easy as possible, we interviewed some of our TREMEC Elite Distributors about common challenges and mistakes encountered – and how you can avoid them.
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Selecting the right transmission for your application and knowing the accessories and parts required will prevent headaches during the installation. A trouble-free conversion to a TREMEC transmission starts with good planning.