1955-57 Turbo Hydra-Matic 200R4 & 700R4 Transmission Installation
Installation of a newer, easier to service, more reliable, higher performance and more fuel efficient drivetrain is the most popular upgrade for 1955-57 Chevy owners. Since the original classics were only available with a 2-speed Powerglide automatic or a 3-speed manual transmission, upgrading to a modern 4-speed automatic is the way to go for improved performance. Two readily available and very popular choices are the TH 700R4 and the TH 200R4. The 200 is often overlooked due to a bad reputation for failure in its early years. However, the right year TH 200R4 is actually a very popular choice with
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