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04-27-2010, 04:52 PM | #37 |
Don't drive it, RALLY it!
Drives: 1999 echo PRC rally car Join Date: Oct 2008
Location: Joyner, Brisbane
Posts: 321
|
By ending up with taller gearing in each gear, all you do is make the car into a slug (more so). You lose the "close ratio" benefits of the C160 box.
Peak torque is developed between 4200 and 4400 rpm (depending on engine) so ideally, they are the revs you want to be doing while cruising for max economy. |
04-27-2010, 04:55 PM | #38 |
Drives: Paseo Join Date: Apr 2010
Location: BAY AREA CA
Posts: 7
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UPDATED WITH 3.8 FD
Exmple: with 205/55/16 wheels GEAR=------------------1-------2--------3--------4--------5----------6 c160 with 4.5 FD= 14.9 __ 23.1__ 31.9__ 40.6__ 51.6___ 65.3 @ 3000RPM C160 with 3.5 FD= 19.2 __29.6__ 41.0__ 52.1__ 66.3___ 83.8 @ 3000RPM c160 with 3.8 FD= 17.6 __27.1__ 37.6__ 47.7__ 60.8___ 76.8 @ 3000RPM c150 stock3.5 FD= 17.1 __31.9__ 46.4__ 62.7__ 71.7 _______ @ 3000RPM |
04-27-2010, 04:59 PM | #39 |
Drives: Paseo Join Date: Apr 2010
Location: BAY AREA CA
Posts: 7
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Ok well just a thought.
I guess I have to go back to the books on gear ratios. I figured if the end mph @ a certain rpm matched. Then It wouldn't matter the gear to final ratio. |
04-27-2010, 06:30 PM | #40 |
1NZ-6spd
Drives: '05 6-Spd Vitz RS Join Date: Oct 2008
Location: Oshawa, Ontario, Canada
Posts: 2,967
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Well, unless you can do precision machining and grinding, to remanufacture the output shaft with a different final drive gear on the end of it, there are no other options that I'm aware of.
All you can do is put on bigger 17 or 18" tires and put the speed sending unit from the Matrix XRS C60. That would get you close to the F/D you're looking for. |
11-02-2010, 04:20 PM | #41 |
Drives: Yaris Sedan 2005 Motor 1NZFE Join Date: Jun 2006
Location: Panama
Posts: 395
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Hi, I'm researching, the C60 transmission (toyota MR2 2003-2007, 6 speed) fit in my echo 2004.
Anyone have a feedback about that? MR2 and echo sharing some platform or parts.
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Yaris/echo 1NZFE NCP12 -> TEIN High-TECH spring, Tower bar Generic, HOTCHKIS Sway bar -> TRD Performance air filter, Stage 1 Gripforce F1 clutch Last edited by carlosh; 11-02-2010 at 04:54 PM. |
11-02-2010, 04:56 PM | #42 |
Don't drive it, RALLY it!
Drives: 1999 echo PRC rally car Join Date: Oct 2008
Location: Joyner, Brisbane
Posts: 321
|
The earlier MR2's (SW20) had the gear selector arms on the other side of the box. I don't know if they changed that in the newer MR2's but it would definately be worth investigating, otherwise you will have to swap that around.
Also check to see if the holes for the transmission mount are existing in the C60, if they aren't, but the thickened casting ribs are there,then at least you can drill and tap them to suit (which I had to do on my C56 box to make it work). |
11-03-2010, 08:15 AM | #43 |
1NZ-6spd
Drives: '05 6-Spd Vitz RS Join Date: Oct 2008
Location: Oshawa, Ontario, Canada
Posts: 2,967
|
Yeah I'm pretty sure the shifting arms on the MR2 C60 are on the opposite side. Also, the reason I didn't use a C60 in my conversion is because the axles used are bigger than the Echo. So you'd need custom axles too. The C160 is the one to look for.
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11-03-2010, 04:06 PM | #44 |
Don't drive it, RALLY it!
Drives: 1999 echo PRC rally car Join Date: Oct 2008
Location: Joyner, Brisbane
Posts: 321
|
Stock Echo axles fit in a C56 or C52 as well. But to save all the stuffing around I had to do to get the C56 to work, I would just get a C160 and mod the subframe to suit like Bluevitz did.
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04-13-2011, 05:12 PM | #45 |
1NZ-6spd
Drives: '05 6-Spd Vitz RS Join Date: Oct 2008
Location: Oshawa, Ontario, Canada
Posts: 2,967
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Wow, looking back, this was TOTALLY worth it. I love the ratios of the 6 speed driving around town. This was my number one on the the wish list of mods to my car, and I've had it for over a year now.
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04-13-2011, 05:21 PM | #46 |
Don't drive it, RALLY it!
Drives: 1999 echo PRC rally car Join Date: Oct 2008
Location: Joyner, Brisbane
Posts: 321
|
They should have come from the factory like this!
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04-13-2011, 07:29 PM | #47 |
1NZ-6spd
Drives: '05 6-Spd Vitz RS Join Date: Oct 2008
Location: Oshawa, Ontario, Canada
Posts: 2,967
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They only thing I'd change as a factory transmission is a 4.2FD instead of the 4.5. 1st gear is nearly useless unless you're on a hill or want to take off like there's a MAC truck barreling up your A$$.
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04-14-2011, 02:20 AM | #48 |
Banned
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Nice write up and build. Mad props.
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04-14-2011, 03:35 AM | #49 | |
ULTIMATE
Drives: 07 Yaris Turbo Join Date: May 2007
Location: Canoga Park, CA
Posts: 14,859
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Quote:
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04-14-2011, 08:14 AM | #50 |
1NZ-6spd
Drives: '05 6-Spd Vitz RS Join Date: Oct 2008
Location: Oshawa, Ontario, Canada
Posts: 2,967
|
Garm, this should be on your to do list.
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09-16-2011, 05:16 PM | #51 |
2ZR swap. DO IT! Ask how!
Drives: 09 Meteoric Metallic HB Join Date: Feb 2011
Location: West Michigan
Posts: 2,333
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Dredging up this old thing again, I'm curious about why the Toyota B Puller set is required. Is that something that could be rented from an auto parts store? $1500 for the actual thing is a bit steep for a DIY project.
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09-16-2011, 05:37 PM | #52 |
ULTIMATE
Drives: 07 Yaris Turbo Join Date: May 2007
Location: Canoga Park, CA
Posts: 14,859
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^ good timing, I'm starting on this next week.
__________________
Micro Image forums, online store and shop are now closed. It was a great eight year run, but it was time to focus on other things. I'm still selling parts on eBay under micro*image seller ID and customers can still make requests for anything specific. |
09-16-2011, 07:21 PM | #53 |
2ZR swap. DO IT! Ask how!
Drives: 09 Meteoric Metallic HB Join Date: Feb 2011
Location: West Michigan
Posts: 2,333
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I scored that used xB transmission from scioncrew. It's arriving Monday. Looks like at least one more trip to Harborfreight is in order.
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09-16-2011, 08:02 PM | #54 |
1NZ-6spd
Drives: '05 6-Spd Vitz RS Join Date: Oct 2008
Location: Oshawa, Ontario, Canada
Posts: 2,967
|
I borrowed the puller set from my local dealer because I had the option to. The puller is specifically designed for disassembling the transmission. Only thing I needed to fab up was a trio of studs. I'll take a picture. You can use any pullers you'd like, just make sure they're not going to chip the teeth on the gears.
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Tags |
6 speed, conversion, gearbox, transmission |
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