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 Post subject: 3.52 Trans-Axle
PostPosted: Wed Mar 19, 2008 9:28 am 
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Location: Etch-A-Sketch, Ohio
Lotsa knowledgeable folks on this board. Who among them can tell me EXACTLY & WITHOUT QUESTION which U.S. spec Geo Metro's came with this trans-axle, How to recognize them (other than counting gear teeth), and any problems I might encounter swapping one into a 2000 Metro 3 Cyl. There seem to be SEVERAL threads concerning this information, but I'm older & get confused easily........ Thanks in advance


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PostPosted: Wed Mar 19, 2008 6:00 pm 
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I know you wanted an answer without question, but I'm not 100% on this.

The 3.52 wasn't in any Metros, but the 94 Swift Sedan with the SOHC 1.3l 8v engine definitely had this tranny.

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PostPosted: Thu Mar 20, 2008 1:50 am 
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I'm pretty sure you'll find it in any of the '89-'94 SOHC 1.3L 8-valve Swifts. But if it's not the original transaxle in the car, there's no way to guarantee what ratio it has without counting teeth.

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1992 Swift - Parts car (gone)
1991 Swift - Parts car (gone)
1990 Swift - Parts car
1997 Metro - Parts car (gone)
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 Post subject: Re: 3.52 Trans-Axle
PostPosted: Sat Mar 22, 2008 6:45 am 
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Don't want to be a dick, but I'm really good at it so here goes.... Are you really sure that's what you want? That's a VERY tall gear ratio for a three cylinder with 13" wheels. Going to be slow as hell.

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 Post subject: Re: 3.52 Trans-Axle
PostPosted: Sat Mar 22, 2008 3:57 pm 
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Yeah, Slow, Numb, .......BUT the MILEAGE, my man, The MILEAGE !!!!!.............


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 Post subject: Re: 3.52 Trans-Axle
PostPosted: Mon Mar 24, 2008 7:36 pm 
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Location: Eastern Ontario
Don't worry, you'll still beat a 1st gen (diesel) smart car in a drag race... but that's about it. :P (Though they'll still beat our MPG!)

You realize the mileage change isn't going to be immense. I measured about a 5-6% improvement.

Also, it'll mess up your speedometer/odo a bit. (Different wheel/tire combo on the cars that had that final drive)

Edit: and to answer your original question, "I don't know." The car I got my 3.52 from apparently had its original tranny & I just lucked out, because I didn't count teeth or input vs. output revolutions.

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 Post subject: Re: 3.52 Trans-Axle
PostPosted: Fri Mar 28, 2008 5:37 pm 
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Location: PA
I would so LOVE to have this tranny, but i've only ever seen 2 swifts in my area and they were on the road-not in the yard =(
I guess putting in the xfi trans will have to do =)


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 Post subject: Re: 3.52 Trans-Axle
PostPosted: Fri Mar 28, 2008 7:37 pm 
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Location: Eastern Ontario
I would have thought the 4-cyl Metros would have the tall gearing as well. Didn't the US get those in the 4th & 5th generation in the sedans?

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 Post subject: Re: 3.52 Trans-Axle
PostPosted: Fri Mar 28, 2008 9:18 pm 
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Location: PA
That was a thought as well. All i could find though were 2-dr autos. Anyone know the RPO code for that trans if i do find a manual in a newer one?


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 Post subject: Re: 3.52 Trans-Axle
PostPosted: Sat Mar 29, 2008 6:19 am 
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Mk4 and 5 Metros with a four cylinder got 3.79, same as an XFI, RPO is FY3.

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 Post subject: Re: 3.52 Trans-Axle
PostPosted: Sat Mar 29, 2008 7:07 am 
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We just don't get the good stuff in the states :cry: When i build one up it's gonna be a B**** to get ahold of a 1.3L and wiring to go with it probably, but that's a diff end of the spectrum.
I am one step ahead with the xfi trans i have sitting at home, but can i put the 3.52 final drive into that trans? I thought they were the same setup, but do not remeber.
Just curious really....i think the xfi will do me fine. I just wish mine was atleast a 92 so i could put the ECM in also.


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 Post subject: Re: 3.52 Trans-Axle
PostPosted: Sat Mar 29, 2008 8:24 am 
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Woodie wrote:
Mk4 and 5 Metros with a four cylinder got 3.79, same as an XFI, RPO is FY3.


Right - because they had the taller tires. Probably the same effective gearing as the 1.3L Swift 3.52 with the smaller tires though.

So there's your answer, disrespected3cyl: Use the XFi trans, but stick 155/80/13's on the car. Then lower it. :)

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 Post subject: Re: 3.52 Trans-Axle
PostPosted: Sat Mar 29, 2008 5:34 pm 
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Location: PA
But with the 13" i'll have to change the speedo gear to accomodate i believe. As long as that will work-i'm in! That'll give me the effective ratio of 3.52 :D
Maybe i'll just run the 12" 1st and see how it drives.
Oh, the 155/80....is that the factory tire size for the mk4/5?


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 Post subject: Re: 3.52 Trans-Axle
PostPosted: Sat Mar 29, 2008 9:08 pm 
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Location: Eastern Ontario
I don't know much about swapping the speedo gear, but there's a post around here somewhere (from Coyote X I think) that talks about them. I understand they're swappable.

And, yes, the mk 4/5 cars had 13's. Not sure if they all had the 155 80's though. Mine does.

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 Post subject: Re: 3.52 Trans-Axle
PostPosted: Sun Mar 30, 2008 7:24 am 
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Yes, all North American cars after '95 came with 155/80-13.

disrespected, you need to give it up on the speedometer fixation you have. Who cares if it's reading a little low? Plus you won't be racking up odometer miles as quickly.

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 Post subject: Re: 3.52 Trans-Axle
PostPosted: Sun Mar 30, 2008 4:44 pm 
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Location: PA
Woohoo! Just found a 5spd in a mk4/mk5 today! I can't be certain it's the right one, but i would guess that it is. Other gearing wasn't put in those years, was it?
Anyway, if someone wanted one; i could get it for $80.
Just wanted to share in my happiness. I just can't wait to get the flywheel from it =), and also the 13" rims. I did find a nice set of Hyundai 14" rims, but for economy, i'm going to stick with the 13" and smoothie caps. Otherwise, there were some nice 15" Galant rims and 15" aftermarket star rims on a Galant as well.


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 Post subject: Re: 3.52 Trans-Axle
PostPosted: Mon Mar 31, 2008 4:55 am 
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disrespected3cyl wrote:
Woohoo! Just found a 5spd in a mk4/mk5 today! I can't be certain it's the right one, but i would guess that it is. Other gearing wasn't put in those years, was it?

I think the 1.0L and 1.3L had different final drives.

_________________
1994 Metro - MPH project (getting a DOHC G13B)
1994 Metro - MPG project (getting an XFi G10)
1992 Swift - Parts car (gone)
1991 Swift - Parts car (gone)
1990 Swift - Parts car
1997 Metro - Parts car (gone)
1993 Metro - Parts car
1989 Swift GTi - Parts car
1998 Metro - Parts car


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 Post subject: Re: 3.52 Trans-Axle
PostPosted: Mon Mar 31, 2008 10:32 am 
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Joined: Tue Nov 15, 2005 7:41 pm
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Location: PA
you mean the 1.0 mk3 xfi and the mk4/mk5 1.3L or you just mean the mk4/5 1.0 and 1.3?
Due to the topic and the cmversation, im guessing you just mean mk4/5... So i have to make sure it's the 4cyl then.


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 Post subject: Re: 3.52 Trans-Axle
PostPosted: Mon Mar 31, 2008 6:35 pm 
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North American mk4/5 - 13" wheels
Three cylinder RPO FX9 4.39 ratio
Four cylinder RPO FY3 3.79 ratio

If you get the tranny and the wheels, your speedometer/odometer will be correct.

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 Post subject: Re: 3.52 Trans-Axle
PostPosted: Mon Mar 31, 2008 9:04 pm 
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Location: PA
thought so. thanks woodie!
I need to stop thinking about tire/wheel/trans sizes! I found some 14" rims that i thought of putting on the var, but that would defeat the gas savings by going with the 13" steelies and moon covers.
here:
http://www.wheelcollision.com/wccpix/62285.jpg


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 Post subject: Re: 3.52 Trans-Axle
PostPosted: Tue Apr 01, 2008 1:17 am 
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Location: Eastern Ontario
14 inch rims would be worthwhile if you put LRR rubber on them - the Bridgestone RE91's are reportedly very good (Insight OEM tire).

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 Post subject: Re: 3.52 Trans-Axle
PostPosted: Tue Apr 01, 2008 5:47 am 
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Location: PA
geometro-now you're just letting me give into the demons :wink:

i do like the idea of smoothies for aero, but the others are nice, and im usually a 5-spoke fan. Maybe just put 175's on the 14".....way.
oh, well-it's off topic any i'll have to keep thinkin.


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 Post subject: Re: 3.52 Trans-Axle
PostPosted: Tue Apr 01, 2008 9:02 am 
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Location: Eastern Ontario
You're not being hardcore enough. Truly hardcore would be getting those nice looking, light 14 inch rims, outfitting them with some quality LRR tires, then drilling & tapping to screw smoothies on. :P

Oh, and don't forget to lower the car to make up for the lift you'll get if the new wheel tire combo has a bigger diameter.

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 Post subject: Re: 3.52 Trans-Axle
PostPosted: Tue Apr 01, 2008 9:33 pm 
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Joined: Tue Nov 15, 2005 7:41 pm
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Location: PA
you really think those 14" aluminums will be lighter thsn the 13" steelies?!
HA!-that would defeat the purpose of the rims to put smoothies on-love the idea. LOL!

I plan on keeping the diameter the same as the 13". And yes, the car will get a little bit of lowering.


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 Post subject: Re: 3.52 Trans-Axle
PostPosted: Wed Apr 02, 2008 12:09 pm 
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Joined: Sun Apr 22, 2007 4:14 pm
Posts: 556
Location: St-Ours
Final drive ratio from a 4 cylinder single overhead cam, unknown year.
I just kept the ring and gear. I also had to shave off 1/64 of an inch on the ring. Then everything fit and cleared perfectly. This ring and gear is really the lowest one available.
Up front an brand new XFi cam was secured on this forum. And to finish it: smoothies also known as Bonneville Salt Flat racing Hubcaps. They are the 13 inch size found at Go-Kat-Go.

My original ring and gear is on it's way to Holland (I hope) to act in a drag race.

Fuel economy was not what was expected on average. Probably the long cold winter and unblocked radiator had something to do with it. On the highway, for a 400 mile trip I just barely acheived 50 miles to the gallon this past week-end.


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