Auto >> AutoSPT >  >> Electric car

Can you change an automatic trans to a manual in 1972 Corvette 350 cubic inch motor no air cond?

Yes, it's possible to swap the automatic transmission in a 1972 Corvette with a 350 cubic inch engine (even without A/C) for a manual transmission, but it's a significant undertaking. It's not a simple bolt-on job. You'll need more than just the transmission itself.

Here's a breakdown of what's involved:

* Transmission: You'll need a suitable manual transmission (likely a Muncie M20, M21, or a Tremec TKO depending on your desired gearing and budget). Finding one in good condition can be challenging.

* Clutch Assembly: This includes the clutch disc, pressure plate, throw-out bearing, pilot bearing, and a new clutch cable or hydraulic system (depending on the transmission).

* Bellhousing: The automatic and manual transmissions use different bellhousings. You'll need a bellhousing that's compatible with both your engine and chosen manual transmission.

* Clutch Pedal Assembly: You'll need to install a clutch pedal, linkage or hydraulics, and a master and slave cylinder. This often requires modifications to the floorboard and potentially the firewall.

* Driveshaft: The driveshaft length will be different. You'll likely need a custom-length driveshaft or shortening of the existing one (requiring balancing).

* Shifter: You'll need a manual transmission shifter and linkage or cables, along with the appropriate mounting hardware.

* Wiring: While not extensive, you may need to make some minor adjustments to the wiring harness to accommodate the clutch safety switch (to prevent starting the car in gear).

* Flywheel: The automatic uses a flexplate; a manual transmission requires a flywheel.

* Possible Modifications: Depending on the specific transmission and your chosen parts, you may need to make modifications to the transmission tunnel or other chassis components to accommodate the new transmission.

In short: This is a major mechanical project requiring significant mechanical skills, specialized tools, and a good understanding of automotive systems. It's not a job for a novice. If you're not experienced in automotive repair, it's highly recommended that you seek the services of a professional mechanic experienced in classic car restorations. The cost of parts and labor could easily exceed the value of the car if mistakes are made.