NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   -   Transmission Swap (https://www.nopistons.com/1st-generation-specific-16/transmission-swap-21440/)

85gslkid 07-26-2003 11:41 AM

i'm looking to swap my 1985 gsl automatic transmission with a five speed



any estimates on price or any information regarding the swap would help me out a lot



thanks

Racer X 07-26-2003 05:14 PM

you'll need a crossmember,clutch master and slave cylinders.The metal and soft lines for them and a pedal set.Otherwise you should be good to go.

RotorMotorDriver 07-27-2003 06:12 AM

You also will need a manual tranny flywheel balanced to your year engine, a clutch kit, and a manual tranny driveline. So, go buy yourself a new stock replacement clutch kit. It should come with the clutch disc, pressure plate, and new bearings (pilot bearing and release bearing), as well as an alignment tool used to install it all. Im not really sure what to tell you about your flywheel other than to find one from a junk yard car thats the proper one for your application, or maybe spend the money for a Racing Beat lightweight steel flywheel while youre in there or something. As for the driveline, hit up the junk yards unless you want to spend the big bucks and get a new one from Mazda Trix or something.



I also have a manual tranny from an 84 GS that Id be willing to let go if youre interested. I also have the whole parts car with the parts you would need (minus the crossmember, flywheel, and driveline), so if theres anything else you want/need, I might be able to hook you up if you wanna pay for the shipping, and if you wanna make it worth the effort for me to get it. That master cylinder is a pain in the ass...



Anyway, good lock, I hope this helps you out.



~T.J.

Racer X 07-27-2003 10:38 AM

he'll also need a counterwieght won't he????

RotorMotorDriver 07-27-2003 10:49 AM

Bah, thats what I dont know...



I know if he gets a new RB flywheel, they include the automatic counterweight that needs to be used. But, the stock manual flywheels dont have an "external" counterweight. Its built into the flywheel. So, if he plans on having the stock flywheel from a manual tranny car, he has to get the right one so its balaced to the rotors and junk.



I dont really know precisely what he needs to do. Personally, I would email Racing Beat or Mazda Trix and ask them what he needs to do if no one here knows. Theyre good about getting back to me usually.



~T.J.


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