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> Camry s51 5th gear swap, how-to with pics
post Jun 8, 2014 - 4:59 PM
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Batman722



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Guys, this is something I've been interested in doing for a while now. The s54 is a high reving tranny and that's fine for around town driving but on the highway being in 5th gear always seems like there's too many RPMs.

Solution : swap in the 5th gear set from a Camry s51 - cost, less than $200

I did a bunch of searching on the MR2 boards (and even here) and there wasn't much concrete info, just people talking about it. Some say they did it but info wasn't really clear. I then looked up some part #s and ordered a 5th gear from a Camry/Solara, got the gear and on a spare s54 at Manny's we checked out what needed to be done.

Then I found this http://www.twobrutal.co.uk/forum/showthrea...NA%29-5th-gears
That link confirmed everything I thought and he gave a great how-to, better than mine will be.

So with the Camry 5th gear set (the 5th driven gear and the 5th gear) me and Stef went to it on the s54 in the Beams.

First, this isn't simple. It's not very difficult but it's not a 10 min job either and there was one special tool needed other than normal tools we had in the garage and that was a puller for the syncro and driven gear. Stef borrowed the SST from the dealership, so we had no problems there.

We weren't going to pull the tranny for this so we did the 5th gear set swap with it in the car.
We put the car on jack stands, took off the driver's side wheel, under plastic, drained the tranny oil, and turned the wheel (hub) all the way to the left for easy access for to the end of the tranny.



took off the 12mm bolts holding the end cover on and separated it



that's what it looks like in there



First, remove the selector arm (12mm)





no selector arm



removed the span ring holding the syncros and 5th gear



with the SST (special service tool) we removed the syncros, being careful not to separate them, they can be a pain to put back together



Syncros out





Slide off the 5th gear and the 2 needle bearings (pictured)





Next is removing the driven gear. The nut has a crimp (pictured), I wedged a screwdriver in and bent it out, and the 27mm nut threads are reversed.



Used a puller to remove the 5th driven gear



Now the new gears Yeaha !
The s51 5th gear is a larger diameter than the s54 5th.
The s51 driven 5th has a smaller diameter than the s54 driven.
You can't just change one, you have to change both for everything to work.





now with no 5th gears in there, we put the Camry driven gear on using a hammer and socket, then slid the Camry 5th gear with needle bearings onto the other shaft.



This is now the hard part. Putting the syncros on without them popping out all over. We held the back of the syncros and hammered/socket it on, then pressed the 5th gear against the back of the syncro, and got it in place. The back of the syncro has 4 tabs, they fit inside 4 holes in the gear, make sure you put the syncro on with the tabs/holes lined up or you have to pull it back off and align. Re-installed snap ring.

5th driven gear, 5th gear, and syncros on



selector arm back on and ring lined up



We used FIPG sealant and Stef put the cover back on



Waited an hour for the FIPG to dry, refilled the tranny (24mm fill and drain), under plastics back on, and went for a drive.

Here's the before and after

BEFORE - s54 80mph about - 3800-3900 rpms



AFTER - s54 w/Camry 5th gear set - about 3300-3400 rpms



About a 500rpm difference from before. Shifting from 4th to 5th the rpms drop down 1000 now.
Again, my how-to isn't the best (the twobrutal link I posted at the top explains things much better than I did).
Stef will probably post a couple pics too.

Questions and comments, post em up.

keywords :s54 s51 e51 e153 Camry Solara fifth 5th gear gearset beams taller longer transmission #boompow smile.gif


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Posts in this topic
- Batman722   Camry s51 5th gear swap   Jun 8, 2014 - 4:59 PM
- - richee3   Good stuff. I'll add this to the stickies when...   Jun 8, 2014 - 5:32 PM
- - Box   It's a good idea, I don't understand why s...   Jun 8, 2014 - 5:37 PM
- - enderswift   Edit: What's it like around town?   Jun 8, 2014 - 5:56 PM
- - Box   It should be around 1,500 at 35 mph and 2,300 at 5...   Jun 8, 2014 - 6:15 PM
- - Batman722   Gears 1-4 are not changed. I only changed 5th gear...   Jun 8, 2014 - 6:28 PM
- - ILoveMySilly97   Oh man. I need this. I do a lot of hwy driving and...   Jun 8, 2014 - 6:37 PM
- - Box   I felt that even the ST could do with a lower over...   Jun 8, 2014 - 6:47 PM
- - njccmd2002   awesome job.   Jun 8, 2014 - 7:31 PM
- - Defgeph   Nice work, this is really great info.   Jun 8, 2014 - 7:50 PM
- - CAcelica29   would this have similar effect on a 1mzfe with the...   Jun 8, 2014 - 7:55 PM
|- - Batman722   QUOTE (CAcelica29 @ Jun 8, 2014 - 8...   Jun 8, 2014 - 8:00 PM
- - Smaay   Good write up dustin. Did you use your original sy...   Jun 8, 2014 - 8:11 PM
- - Rusty   great photo guide   Jun 8, 2014 - 8:21 PM
- - Batman722   I used my original dual syncros. They didn't l...   Jun 8, 2014 - 8:41 PM
- - Special_Edy   Now just document the fuel economy difference, its...   Jun 8, 2014 - 9:58 PM
- - jordisonjr   Wow I was overwhelmed just looking at the pictures...   Jun 8, 2014 - 10:11 PM
- - sandusky1977   I've been wanting to do this and write it up, ...   Jun 9, 2014 - 8:27 AM
- - Syaoran   For everyone that has asked, this doesn't affe...   Jun 9, 2014 - 12:24 PM
- - presure2   This is huge, especially for guys that have beams,...   Jun 13, 2014 - 5:25 AM
- - hurley97   So I drove the beams for the first time since the ...   Jun 16, 2014 - 11:29 AM
- - 955SFE   Thanks a lot for that information. Finally someone...   Jun 16, 2014 - 6:47 PM
- - hurley97   Actually the 7th gen with the 6spd tranny is a lit...   Jun 16, 2014 - 8:05 PM
- - doory100   looks like a lot of work for such a minimal drop i...   Aug 16, 2014 - 7:29 PM
- - yellowchinaman   Looks like a good upgrade for top speed for the gt...   Aug 25, 2014 - 2:09 PM
- - Smaay   im going to do this when I put the V6 in Amy's...   Aug 25, 2014 - 5:39 PM
- - yellowchinaman   Does any one know the full gear ratios of the camr...   Aug 25, 2014 - 6:12 PM
- - presure2   Ray, this basicly uses the same 5th gear that...   Aug 25, 2014 - 9:26 PM
|- - yellowchinaman   QUOTE (presure2 @ Aug 25, 2014 - 10...   Aug 27, 2014 - 3:33 PM
- - Syaoran   QUOTE (Batman722 @ Jun 8, 2014 - 5:5...   Sep 7, 2014 - 10:00 PM
- - Batman722   It's a front mount from an ST. The same as a G...   Sep 8, 2014 - 6:43 AM
- - Syaoran   Interesting that they're interchangeable like ...   Sep 12, 2014 - 10:28 PM
- - msk59   Awesome write up! thank You Dustin. Question:...   Oct 7, 2014 - 8:16 PM
- - njccmd2002   just s54 tranny..   Oct 7, 2014 - 9:24 PM
- - msk59   Are you saying that this swap is only doable on S5...   Oct 7, 2014 - 9:43 PM
|- - mkernz22   QUOTE (msk59 @ Oct 7, 2014 - 10:43 P...   Oct 7, 2014 - 10:26 PM
- - Smaay   I havent confirmed this yet but i have the ability...   Oct 8, 2014 - 12:07 AM
- - msk59   that would be a very nice. Please keep me updated....   Oct 8, 2014 - 5:35 AM
- - Celicaguy13   The C60 from a Celica or s54 won't bolt onto a...   Oct 9, 2014 - 10:53 AM
- - Smaay   actually a C60 will be close   Oct 9, 2014 - 6:45 PM
- - msk59   Cannot wait to see Smaay's install   Oct 9, 2014 - 10:46 PM
- - Smaay   i just have a 7A and a 7th gen trans laying here, ...   Oct 10, 2014 - 1:20 AM
- - Celicaguy13   QUOTE (Smaay @ Oct 9, 2014 - 7:45 PM...   Oct 10, 2014 - 1:41 PM
- - Bitter   Back from the dead, someone sticky this please. ...   Jan 30, 2016 - 2:37 PM
- - NgoFcukinWay   back from the dead again! What's the part...   Sep 7, 2018 - 8:15 AM


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