Taller gear ratios on a 5 speed
Hey guys, once again I'm thoroughly confused and need some assistance.:bowdown: I've spent the whole day searching old mnet threads on the subject and trying to make sense of all the info and I'm back to square one, so I have to ask for help.:mad:
Here's what I want to do: I want to get a shorter gear ratio on my car and I'm thinking about buying a set of 3.6 gears. The thing is that everything I read about it is based on a 6 speed transmission and I want to keep my 5 speed. I want some simple suggestions on how to get the results I'm after without breaking the bank. Brain, before you say it, I'll admit it: I know less about drivetrains than what I know about engines! :gay: Thanks for the input. Rafa |
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94-97 36 59 84 112 137 (3050RPM @ 60MPH) I want to change it to something close to this: 5-speed '06 38 63 90 120 147 (2873RPM @ 60MPH) What is the cheapest way to go about it? and if I could I would even try to make the speed on 1st and 2nd gear even longer. I'm I making any sense? Thanks |
Originally Posted by Spaniard
(Post 183755)
Here's what I want to do: I want to get a shorter gear ratio on my car and I'm thinking about buying a set of 3.6 gears. The thing is that everything I read about it is based on a 6 speed transmission and I want to keep my 5 speed.
There really isn't a way to get 3.63 gears without breaking the bank though. They're quit expensive, if you can find them. |
Originally Posted by cjernigan
(Post 183758)
A set of 3.6 gears would be considered taller gearing, not shorter. The 3.63s would allow you a faster mph at redline, or a lower RPM when cruising, however you want to look at it.
There really isn't a way to get 3.63 gears without breaking the bank though. They're quit expensive, if you can find them. My question Chad is: would I get to have a higher (not so much faster) mph redline with a simple change to 3.6 gears on a 5 speed? What has me confused is the fact that everyone mentions a 6 speed transmission when they talk about 3.6 gears and I definitely want to keep my 5 speed. |
Yes switching to 3.6 is perfectly doable and it will accomplish what you're trying to do. The taller 3.63s will give you a higher mph at redline with your 5 spd. Considering right now you have either 4.10s or 4.30s unless someone previously swapped 3.9s in before.
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Originally Posted by cjernigan
(Post 183773)
Yes switching to 3.6 is perfectly doable and it will accomplish what you're trying to do. The taller 3.63s will give you a higher mph at redline with your 5 spd. Considering right now you have either 4.10s or 4.30s unless someone previously swapped 3.9s in before.
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Originally Posted by Spaniard
(Post 183776)
This thing is then settled (man I'm really dense:bowdown:).
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Originally Posted by reddroptop
(Post 183779)
All you need is a new speedo gear in the transmission. Part number: M502-17-441
Can I take the opportunity to ask some dumb questions on this subject? As I stated before, I got absolutely no clue about drivetrains (sorry) :confused: I always thought that for me to get the higher final speed on any gear I had to change speedo gears but I also get the sense that if I change my diff gears I would accomplish the same thing. Is that true or not? |
The speedo gears are just so that when you change the gears in your diffrential your speedometer reads the correct speed.http://miataroadster.com/brands/mazd...vemechx200.gif
http://miataroadster.com/ They sell just the speedo gear i believe. Scroll half way down the page. |
Originally Posted by cjernigan
(Post 183788)
The speedo gears are just so that when you change the gears in your diffrential your speedometer reads the correct speed.http://miataroadster.com/brands/mazd...vemechx200.gif
http://miataroadster.com/ They sell just the speedo gear i believe. Scroll half way down the page. I'll read about that one tomorrow. Thanks. I know one day, all these dumb questions are going to bite me in the ass. :gay: BTW, I'm going to start a thread in the BS section asking Rick to place my :gay: smilie back on the left side. I miss it! Thanks for all your advice guys :bigtu: |
Originally Posted by cjernigan
(Post 183788)
The speedo gears are just so that when you change the gears in your diffrential your speedometer reads the correct speed..
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Originally Posted by reddroptop
(Post 183806)
Yep, cjernigan is correct. Sorry for being so vague.
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rafa- if you have any salvage yards with early 80s rwd 626/mx6 manual trans, you may find a 3.63 ring/pinion in them.
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Originally Posted by m2cupcar
(Post 183927)
rafa- if you have any salvage yards with early 80s rwd 626/mx6 manual trans, you may find a 3.63 ring/pinion in them.
I like your idea though (in fact, when I got married the first car I bought my wife was a 626 coupe with manual transmission:o) What I can do is check those salvage yards for anyone who may be interested in this forum. I appreciate all the assistance. :bigtu: |
Originally Posted by Spaniard
(Post 184003)
Thanks man. I just bought them this morning from mazdamart. It was their last set and I really wanted it.
I like your idea though (in fact, when I got married the first car I bought my wife was a 626 coupe with manual transmission:o) What I can do is check those salvage yards for anyone who may be interested in this forum. I appreciate all the assistance. :bigtu: I've driven the red TDR car (260+whp from a blower) with a 3.63 and 5-speed...its really nice even with the blower. It would be god-like with a turbo. |
Originally Posted by hustler
(Post 184009)
I'm interested...big time.
I've driven the red TDR car (260+whp from a blower) with a 3.63 and 5-speed...its really nice even with the blower. It would be god-like with a turbo. I have to go back to the shop tomorrow morning for what I hope will be the last time for the install. Ask and I'll find out. |
3.63 ring and pinion. I can order a new one for $350 or whatever, so keep that in mind too.
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One other thing; m2cupcar mentioned early 80s Mazda 626 but the one I originally bought my wife was a 79 and I recall that she also had an older 626 (73 if I remember) when she was single. If any of that generation appears, do I discard them?
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Originally Posted by hustler
(Post 184023)
3.63 ring and pinion. I can order a new one for $350 or whatever, so keep that in mind too.
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