Best Year for 1G?

[GRNDSM]

I didn't say that the cars were bad, but they a PITA to deal with it...

Leon
RR

 

[jdmawd]

Originally posted by candela
Just like mine

ditto

 

[set3422]

disected a 91 and 93 tranny. The only difference is the double synchro ring on 2nd gear for 93. Some 91 has 22 spline center shaft and 5th gear synchro has an extra sleeve.


Set,

Originally posted by GRNDSM
'92 trannys were slightly stronger in 3-4 gear assembly. You would not see that deficiency until you get close to 400-500 hp range and even then, you are not always going to see it. But 93-94 trannys shifted much better. You can rebuild '91-'92 tranny to shift good, but it will not be as good as '93+ tranny...

So if you already have a good tranny, get a '92. If you have a good motor, get 93-94.

Another thing to keep in mind, is that all '94 DSMs came with CA emitions. Not a big deal, but that is the only difference between '93 and '94.

And ‘93+ AWD cars had bigger brakes.

Leon
RR

 

[SANiTaRiUM16]

thanks for the reply grndsm. I have another question though. I had some major work done to the tranny the past month and you can only use 93 tranny parts on a 93 car/ No other year eclipse parts are interchangable. They only used this tranny for one year, why?

 

[GRNDSM]

Mitsubishi has been doing some strange things with their trannys over the years. Just about EVERY year of tranny are different in some ways (I am speaking of internal components, you mix-match 91-94 trannys/cars)

Many people think that ‘93-’94 were the same, but I have heard that in ’94 they changed “something” again and the tranny was different from ’93… Now, most parts are still interchangeable, but there are some differences.

>disected a 91 and 93 tranny. The only difference is the double synchro ring on 2nd gear for 93.

Take a closer look at 3-4 assy, They are different on 91/92 trannys (stronger). They are a popular upgrade for high power 93-99 trannys, it makes them stronger at a cost of slightly worse shifting.

Leon
RR

 

[set3422]

i looked at the input shaft assy side by side (91 and 93) and the 3rd/4th on both year look the same. That's what Jon at TRE has told me too on 3/4 assy being stronger for 90-91. Porbably my 91 tranny is off a late model.

Mitsubishi parts procurement is all screwed up. You can have a 92 and still have a 3 bolt rear end, big rods on 92 model, and etc.

Originally posted by GRNDSM
Mitsubishi has been doing some strange things with their trannys over the years. Just about EVERY year of tranny are different in some ways (I am speaking of internal components, you mix-match 91-94 trannys/cars)

Many people think that ‘93-’94 were the same, but I have heard that in ’94 they changed “something” again and the tranny was different from ’93… Now, most parts are still interchangeable, but there are some differences.

>disected a 91 and 93 tranny. The only difference is the double synchro ring on 2nd gear for 93.

Take a closer look at 3-4 assy, They are different on 91/92 trannys (stronger). They are a popular upgrade for high power 93-99 trannys, it makes them stronger at a cost of slightly worse shifting.

Leon
RR

 

[GRNDSM]

>Mitsubishi parts procurement is all screwed up.

That was true to a point... We are talking about two different things here. Mistu was messing around with tranny components in Japan (that is where the trannys were build) and DSM factory in IL had some inconsistencies when it came to implementing those changes.

>You can have a 92 and still have a 3 bolt rear end

The only time that I have seen that was when people swapped out their 4 bolt rear ends in favor of 3 bolt before selling their cars (quick way to make $400-$500). It wouldn’t surprise me to find out that there were some early ‘92s that left factory that way. I just have not seen one and came across a LOT of DSMs .

>big rods on 92 model, and etc.

~99% of '92 model cars had big rod/6 bolt motors... That ~1% of small rod/7 bolt motors in '92 cars is not even worth mentioning.

Leon
RR

 

[set3422]

yup, i was at conicelli onetime and saw this stock 92 gsx awd had 3 bolt rear end. What's even more suprising is that the throttle body had 2 vac ports on top and 2 ports on side (90-91 model). The CAS has a wire connector as a whole assy. Basically, it's 90 parts on a 92 shell.


>You can have a 92 and still have a 3 bolt rear end

The only time that I have seen that was when people swapped out their 4 bolt rear ends in favor of 3 bolt before selling their cars (quick way to make $400-$500). It wouldn’t surprise me to find out that there were some early ‘92s that left factory that way. I just have not seen one and came across a LOT of DSMs .

 

[GRNDSM]

Originally posted by set3422
yup, i was at conicelli onetime and saw this stock 92 gsx awd had 3 bolt rear end. What's even more suprising is that the throttle body had 2 vac ports on top and 2 ports on side (90-91 model). The CAS has a wire connector as a whole assy. Basically, it's 90 parts on a 92 shell.

The 2 vac ports on TB were only in '90. They must have also used '90 TPS, ISC and much more. You can't easily connect those parts to a '92 harness.

I bet this '92 was re-contructed using '90 parts, so I would not base my opinion on this particular car...

Leon
RR

 

[DELTA_Rotary]

Just out of curiousity where on the car can you see if its got a 6 or 7 bolt from the factory?

 

[set3422]

on 1g turbo dsm, you can look at the oil pan facing the crank pulley side and if there's a hump sticks out or if it caves in. Cave in means 7 bolts and hump means 6 bolts.

Originally posted by DELTA_Rotary
Just out of curiousity where on the car can you see if its got a 6 or 7 bolt from the factory?

 

[Bohrn]

I'm kinda partial to the 91.

Best styling, clean but fast looking and the spoiler is part of the body not tacked on. Of course this is just my opinion.

And then just take a 4 bolt and big brakes off a 94 AWD and you are golden

Take a 2g exhaust manifold/O2 sensor housing and away you go

 

[GRNDSM]

Originally posted by DELTA_Rotary
Just out of curiousity where on the car can you see if its got a 6 or 7 bolt from the factory?

The quickest way is to look at the head to exhaust manifold studs. If the two outer studs larger than the rest of the middle studs (M10 vs M8), you have 7 bolt head on your engine. The odds are that it is original and that your motor is a 7 bolt motor. But there is a chance that the head was replaced.

Leon
RR

 

[twistedtsi]

so there are 1g with 7 bolt? i never seen that i dont think im gonna go check my car right now

 

[twistedtsi]

ok i just checked out my car and i did the manifold check but my outer studs were snaped wen i got the car... so i checked the oil pan and i have the hump so im guseseing i have the 6 bolt motor

 

[set3422]

you're blessed from crankwalk.

Originally posted by twistedtsi
ok i just checked out my car and i did the manifold check but my outer studs were snaped wen i got the car... so i checked the oil pan and i have the hump so im guseseing i have the 6 bolt motor

 

[Bohrn]

anything up to and including the 3rd month of 92 has the 6 bolt motor stock. Just check your door sticker/VIN to find out your month.

Of course, someone may have replaced it.