SA transmission options
I have been searching for different options for installing a fb transmission in my 79 SA. I searched and this was the best threads I could find:
https://www.rx7club.com/1st-generati...ans-sa-612876/ 1980 RX-7 Transmission Swap [Archive] - Improved Touring Racing Forums I really really don't want to cut my tunnel and I would like to retain the stock console. This is mostly from an aesthetics perspective as I'm trying to keep my car as original looking as I can while updating it. Because not racecar. So, these are my options and I'm looking for any pointers on these options or other suggestions. -Best option IMO is find late 80 shift rods so I can mate a SA tail housing to an fb case. One of the rods are NLA and I question if the other two are actually available. Anyone have a set around or a whole late 80 tail housing they would sell? I know I should post that in the classifieds but it pertains to this post. -Next option is to have the fb shifter cut and welded to fit through the SA hole like mentioned in one of the threads. Viable solution but I have no experience welding nor have any contacts that do. -Last option is to modify the 79 SA tail housing linkages to work with an fb transmission. Based on my email communications with Mazdatrix several months ago this is not possible but maybe someone has made it work. Thanks in advance for any help. |
Forgive the obvious, but why not stick with an SA gearbox??
Stu 80GS Alaska |
Originally Posted by 7aull
(Post 11970968)
Forgive the obvious, but why not stick with an SA gearbox?? Stu 80GS Alaska
|
My SA gearbox has a 5th gear, so I'm not sure why you want an FB tranny. The ratios are almost
the same. Theres no overwhelming reason to switch that I can think of. I have heard of folks using the 80 tail shaft swap onto an FB tranny with success. I don't thinks its that hard to do either. |
Originally Posted by 7aull
(Post 11970968)
Forgive the obvious, but why not stick with an SA gearbox??
Stu 80GS Alaska |
they pretty much use the same seals/bearings and synchros from 79-85. although if you're worried the miata gearset goes right into the SA case, and they made those on a new car up to 2015
|
Originally Posted by j9fd3s
(Post 11971223)
they pretty much use the same seals/bearings and synchros from 79-85. although if you're worried the miata gearset goes right into the SA case, and they made those on a new car up to 2015
Simple version: are all replacement parts for an SA rebuild available and does anyone have a link or knowledge of putting MX5 internals in an SA? |
the SA uses the same 0603-16-103 seal that everything else does. just because an aftermarket vendor doesn't have a correct listing, really only means that there is an error in the catalog.
actually here is a fun fact, the 1980 SA transmission, and the 81-82 transmissions are identical except for the tailhousing. |
Bit of karma struck me for talking about my transmission. I lost 1st and 2nd the other day. I've spent the past 2 days pulling my transmission out to find the bolt for that shift fork had come out. Luckily the gears didn't eat the bolt somehow. Took the opportunity to visually inspect everything and all looks well. I found looking at Mazda's parts breakdowns have helped with understanding the differences and similarities of the SA vs FB transmissions. Wonder why there is so much misinformation out there. Anyway, since everything looks good I put it all back in. I still want to replace the internals and possibly do the MX5 swap but I'll keep looking at options. Thanks for the input.
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Mazda Built 4 and 5 speed manual transmission parts, and overhaul kits - Drivetrain
1/3 of the way down the page: SA O/H kit & Syncros… cheep (compared to OE anyway) :) Stu 80GS Alaska |
Originally Posted by 7aull
(Post 11972931)
Mazda Built 4 and 5 speed manual transmission parts, and overhaul kits - Drivetrain
1/3 of the way down the page: SA O/H kit & Syncros… cheep (compared to OE anyway) :) Stu 80GS Alaska |
Theres a lot of misinformation out there because folks parrot what the read on the web instead of
actually reading the OEM manuals. Because, you know, its on the web, so it must be true, right? |
Originally Posted by t_g_farrell
(Post 11973751)
Theres a lot of misinformation out there because folks parrot what the read on the web instead of
actually reading the OEM manuals. Because, you know, its on the web, so it must be true, right? |
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