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 Post subject: finale
PostPosted: Wed Sep 01, 2010 9:43 am 
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Location: philippines
anyone here knows all the final gear ratios for all rear drive mitsus and their designated models?, like 3.89 comes from model xx with 5 speed

and which are interchangable with other models, lets say 4.22 from 84 lancer to be fitted on a 74 galant with 3.89

:) 8) :)


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PostPosted: Wed Sep 01, 2010 10:36 am 
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all models? :shock:


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PostPosted: Wed Sep 01, 2010 12:02 pm 
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uhm 84 lancer should share the 170mm diff with the I believe galant lambda, and sigma I believe? 74 galant is smaller I think.

You should just ask what gears you want and what ratio.

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 Post subject:
PostPosted: Sun Sep 05, 2010 2:03 am 
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matt wrote:
all models? :shock:


pretty much, if possible, or perhaps only those interchangables :)


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PostPosted: Mon Sep 06, 2010 8:23 am 
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motorhedz01 wrote:
matt wrote:
all models? :shock:


pretty much, if possible, or perhaps only those interchangables :)


That would be about an hour of writing.
There are 3 different gear sizes in the cars, 170, 180, and 200mm.
In the 170mm common in the smaller cars as well as all 2 liter and smaller AWD platforms you need to watch for light and heavy gearsets.
The ratios commonly available in 170mm axle Mitsubishi's are 2.86, 3.308, 3.54, 3.89, 4.22, 4.625, 4.88 & 5.38.

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 Post subject:
PostPosted: Tue Sep 07, 2010 5:59 am 
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Old Colt wrote:
motorhedz01 wrote:
matt wrote:
all models? :shock:


pretty much, if possible, or perhaps only those interchangables :)


That would be about an hour of writing.
There are 3 different gear sizes in the cars, 170, 180, and 200mm.
In the 170mm common in the smaller cars as well as all 2 liter and smaller AWD platforms you need to watch for light and heavy gearsets.
The ratios commonly available in 170mm axle Mitsubishi's are 2.86, 3.308, 3.54, 3.89, 4.22, 4.625, 4.88 & 5.38.


thanks, the only ones i'm aware of are 3.89s and 4.22s, its because recently i swapped(and counted them out of curiousity) a 4.22s from a lancer boxtype differential(ones with rear disc brakes) to 76 colt galants 3.89s, along with a 5 speed trans from i dont know what mitsu it came from and there was a slight difference from the old 4 speed, the shifter move backwards about two inches(the crossmember also moved but the chassis had provision) but the tranny is of the same length as the driveshaft fits the same position, i'm wondering too if there is a tranny that will fit excactly and from what car(mitsu) it would come from? :)


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PostPosted: Tue Sep 07, 2010 6:09 am 
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Quote:
i'm wondering too if there is a tranny that will fit excactly and from what car(mitsu) it would come from?

What engine are you working with?

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 Post subject:
PostPosted: Tue Sep 07, 2010 8:40 am 
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Old Colt wrote:
Quote:
i'm wondering too if there is a tranny that will fit excactly and from what car(mitsu) it would come from?

What engine are you working with?


4g32(timing chain), the thing that i mean excactly is the shifter/gear lever position, i got no problems with the bellhousing and mountings/support/crossmember, all is good except for that, i had to cut and fold the floor an inch to clear some space for it :oops: 8)


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 Post subject:
PostPosted: Tue Sep 07, 2010 9:01 am 
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The little KM118 5 speed is the best transmission for that. It is the one with the two upper mount holes on the left side so it will bolt to both a G32 or to a standard narrow block such as the 2L engines.
And yes the shifter is back a little bit on most of them. Kind of a PIA if you have a console but otherwise the shifter opening needs to be adjusted.

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 Post subject:
PostPosted: Tue Sep 07, 2010 9:40 am 
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Old Colt wrote:
The little KM118 5 speed is the best transmission for that. It is the one with the two upper mount holes on the left side so it will bolt to both a G32 or to a standard narrow block such as the 2L engines.
And yes the shifter is back a little bit on most of them. Kind of a PIA if you have a console but otherwise the shifter opening needs to be adjusted.


not quite sure about the two upper mount holes but i'll try to check them tomorrow morning, also, i read that there is a 5 speed 76 galant, though i think its the 2 liter(4g63), will that transmission from 4g63 fit the 4g32 and vice versa?, the 5 speed for 4g32 to 4g63?, cause we're planning to swap the 4g32 to 4g63(from an L300) later. :)


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 Post subject:
PostPosted: Tue Sep 07, 2010 9:53 am 
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The early 2.0 cars had that gearbox behind them also. If you intend to install a powerful engine you are better off with the KM132 from an L200 but if the L300 engine is going to remain pretty stock then the gearbox you have is fine.

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 Post subject:
PostPosted: Wed Nov 17, 2010 9:12 am 
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i think i should change the title "finale" to "infinity" as my queries never seem to end... hehehe

@oldcolt

ok, so now we already got an L300 4g63(non-silent shaft), i discovered that its clutch is bigger than the ones from the 4g32, no problem with that(bigger is better) but the holes on the clutch disc for the main drive is also bigger, thats the problem, is there a clutch disc that will fit the flywheel and pressure plate for the 4g63 but will also fit the 4g32's transmission's maindrive?, or i need to change the tranny too?

p.s.
the 4g63 we got came with a 5 speed tranny also but i dont think we will be using it because the thing is it had hydraulic clutch and the shifter is positioned way much more backwards than the 5 speed we had, the shifter is already on the top of the tranny's driveshaft cover, about those two upper mount holes on the left side, it had them, dont know if its the km132 or km118

and i recently found out the 5 speed 76 galants are astron 4g5s not sirius 4g6s, if my guts are correct, its telling me that the the saturn 4g3s and the astron 4g5s can share the tranny but not on the sirius 4g6s, will find that soon 8)


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 Post subject:
PostPosted: Wed Nov 17, 2010 2:56 pm 
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The 4G6 will share the mounting too.
The KM118 will have a 7/8 20 input spline, this is the same as all the FWD gearboxes so to get the clutch disk you need buy one for a car with a 4g6 FWD. This will give you a 215mm disk with the 20 spline center.

For a stronger gearbox an L200 should give you a cable clutch, the more forward shifter and the larger 1" 23 spline input. You will need a different propshaft for this box.

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Charlie
If it ain't broke, modify it.
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 Post subject:
PostPosted: Thu Nov 18, 2010 10:41 am 
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thanks, thats very useful info :tu: :D :tu:

one more thing(as always), according to the owner of the 4g63 we got, its cyl head was replaced already and it came from a turbo sohc 4g63, is it any different from the ones without turbo?, like the cams, valve, etc.?

i'm concerned especially on the cams coz we're just going for a carb set up


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 Post subject:
PostPosted: Fri Nov 19, 2010 4:45 am 
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Mitsubishi did not change the cams much back in the 80s between NA and turbo engines but I do not have the specs in front of me to say for sure.
Valves in the turbo engines were more heat tolerant. If they are turbo valves they will have a T of the face, in this case a 63T. You will have no problems running carby.

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Charlie
If it ain't broke, modify it.
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 Post subject:
PostPosted: Sat Nov 20, 2010 12:03 am 
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thanks again, now i just opened the whole motor, pistons are .50 oversized and cylinder walls had ridges, crank and conrod bearings are .25 oversized, oil pump is trash, looks like we really need a total overhaul


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 Post subject:
PostPosted: Sat Nov 20, 2010 4:29 am 
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Would it just cost less to find another engine to use?

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Charlie
If it ain't broke, modify it.
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http://classiccolt.forumcircle.com
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www.ffmsd.com


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 Post subject:
PostPosted: Sun Nov 21, 2010 5:20 am 
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Old Colt wrote:
Would it just cost less to find another engine to use?


i was thinking about that but imported engines from japan cost about a thousand us dollars and thats just a carburated sohc, we just bought this for about a hundred so maybe we'll just make the most of it...

till the next dilema :)


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 Post subject:
PostPosted: Sun Nov 21, 2010 6:57 am 
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I can see that money for a DOHC but not for a carby motor. I expect the rebuild will come out as a work of art anyway. You guys do nice work over there.

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Cheers,
Charlie
If it ain't broke, modify it.
faster, Faster, FASTER, Over the hill and accelerating.
http://classiccolt.forumcircle.com
http://www.cardomain.com/id/Old-Colt
www.ffmsd.com


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