700r4 Speedometer Gear, Apr 13, 2026 · Learning how to identify 700r4 transmission units is a vital skill that ensures you get the four-speed automatic you actually need. Dec 27, 2023 · The 700R4's 30 percent overdrive ratio of 0. Need a 700R4 transmission for your classic Chevy? We have remanufactured 700R4s with upgraded components and a warranty. The is also Xtreme SS 700R4 built to support up to 1000 horsepower. This guide will walk you through the visual cues, casting numbers, and physical dimensions that separate this legendary transmission from its cousins. The 700R4 transmission came in several versions, each outputting higher horsepower than the other. 69:1 was a notable improvement from the TH350's direct-drive third gear, allowing the new transmission to keep rpm down while cruising on the interstate Find a large selection of reliable Chevy 700R4 transmissions for your 2WD or 4WD vehicle at Summit Racing. Found in a wide range of GM cars and trucks from the early 1980s through the early 1990s, it remains a favorite for swaps and performance builds thanks to its overdrive gear and strong aftermarket support. Need help finding speedometer gears or parts? Jim’s Speedometer World offers quality, USA-made replacements and expert help—trusted worldwide. Custom-built performance 700R4 transmissions designed to handle increased horsepower with upgraded internals and consistent shift quality you can trust. The following formula will work for any GM, Ford or Chrysler vehicle and is very useful when there is no established baseline from which to work from such as replacing a transmission in a vehicle that was purchased without a drive line. Shop now! Apr 22, 2026 · The 700R4 transmission is one of the most popular overdrive automatic transmissions ever produced by General Motors. Fast Shipping! Real Support! Focused on American-Made makes and models, CHEVY GM DODGE FORD. We will cover everything from the 16-bolt pan pattern to the specific “K” case markings favored by off . Calculate the correct speedometer driven gear based on tire size, axle ratio, and drive gear. Built‑in P‑metric converter. Ensure accurate speedometer readings. Here's what you need to know about GM's famous 4-speed automatic. TCI® now stocks the most po Speedometer gears for 700r4, Dodge, Jeep, Ford, Chevy, th350, th400, GM, NP208, speedometer gear housing, drive gear, driven speedometer gear. There is the heavy-duty 700R4 which supports up to 500 horsepower, and then a supersport-duty 700R4, rated at 650 horsepower. The Performance Automatic Transmission is a 700R4 designed for 1984-1991 Chevy V8 vehicles, excluding the Chevy Corvette. Discover speedometer gear options including drive gears, driven gears, and housing assemblies for 700R4. Use our free 700R4 speedometer gear calculator to find the correct driven gear teeth for your transmission based on tire size, axle ratio, and drive gear. The accompanying charts show what gears were manufactured for each type transmission. Aug 20, 2025 · The 700R4 is a great choice when it's time to upgrade your classic car or truck with an overdrive transmission. It features lockup, case fill, and has been dyno tested for performance. If you are working on a project vehicle or buying a used transmission Feb 27, 2023 · Well, the 700r4 uses a TV cable as the speedometer, and the 4L60 is an electronically controlled transmission, so if you see wires coming to the transmission on the rear of the transmission on the passenger side, you have a 4L60. Apr 4, 2024 · The 700R4 Speedometer Gear Calculator is a valuable tool used by automotive enthusiasts and professionals to determine the appropriate gear ratio needed for accurate speedometer readings in vehicles equipped with a 700R4 transmission. Inventory ships from NW Louisiana, USA. hwdtk, clsf, alh9, s3w, psb, pj, tvydaa2, ygm3, fuoho, 7dz,