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MR2 Non-Turbo - Click HERE for Original Thread

hmong337
I'm really looking to purchase a non-turbo five-speed soon. I just need to get a few things sorted out first.

I'm looking around $7000 landed. What kind of mr2 will this amount of money yield for me? 3.5? 4? ...it has to be problem free. I want it in white or black... preferably white. Also, I live in Ontario. How much would it cost to get the car shipped to me?


I should have the money within the next month.

youngbex
why do you want NA?

twinturbo
I don't import cars or pretend to know everything about it. From what I have seen, I would say you could get a average condition turbo MR2 or a really good condition non-turbo MR2 for $7,000. Again.....not a quote or hard fact, just an educated guess.

hmong337
quote:
Originally posted by youngbex
why do you want NA?


So that I can drive it for a long time (Toyota Reliability) :p


...then build a Gen3 3SGTE outside of the car until the original NA motor dies... SWAP :thumbup:

twinturbo
Wouldn't a turbo model have alot of differences over the non-turbo model? such as larger brakes, fuel pump, intercooler, beefier drivetrain, LSD ect................?

If so then maybe it would be smarter to buy a turbo, and buy a non-turbo engine. Swap in the non-turbo engine, build up the tubo engine and then swap it back in. Or even buy another turbo engine and have one in the car while you build up the other? Might save you time and money in the end if you don't have to go swapping out all the other stuff and trying to find parts to upgrade the chassis, wiring, plumbing, drivetrain to handle a different engine with more power!
Just a thought...............

stealth
Only difference, is Brakes & fuel pump.

hmong337
quote:
Originally posted by twinturbo
Wouldn't a turbo model have alot of differences over the non-turbo model? such as larger brakes, fuel pump, intercooler, beefier drivetrain, LSD ect................?

If so then maybe it would be smarter to buy a turbo, and buy a non-turbo engine. Swap in the non-turbo engine, build up the tubo engine and then swap it back in. Or even buy another turbo engine and have one in the car while you build up the other? Might save you time and money in the end if you don't have to go swapping out all the other stuff and trying to find parts to upgrade the chassis, wiring, plumbing, drivetrain to handle a different engine with more power!
Just a thought...............



All that stuff can be sourced in a clip. As for brakes, even it was a 90-92 turbo model, you'd still have to upgrade the brakes to 93+ because the ealier turbo models still had slightly smaller brakes and weren't as robust.

As for the LSD and turbo transmission... the 1990-1992 turbo transmissions are garbage and would need to be upgrade to a 93+ unit. 90-92 transmissions only use a single cone synchro and will fail in due time and abuse. 93+ mr2 turbo transmissions use a dual synchro and are light-years stronger. I have a 93 turbo and my transmission compared to the 90-92's is like day and night. 93+ transmissions, 90% of the time come with a factory LSD and they work very well.

Essentially, major components on a 90-92 turbo mr2 still need to be upgraded.

This is why a naturally-aspirated mr2 would be a good starting point since everything in the turbo model is eventually going to be ripped out.

hmong337
quote:
Originally posted by stealth
Only difference, is Brakes & fuel pump.


90-92 transmissions...? 2nd or 3rd gear grindage.

stealth
quote:
Originally posted by hmong337
90-92 transmissions...? 2nd or 3rd gear grindage.


I dont have any:thumbup: Its all in the quality and preventative maintenance the previous owners take on their vehicles.

Bad Egg
That synchro issue comes up with regularity on the Alltrac/GTFour boards and the MR2 boards as well. Most people find that the synchro notchiness/grindage goes away with a tranny fluid change. The recommended GL5 is full of high-pressure additives and very thick, and supposedly those high-pressure additives are detrimental to the "white metal" synchro components(according to Penzoil info).

After reading up on the subject, I changed to GM synchromesh(has high-pressure additives but not GL5 rated) last year in my GT Four, and the synchros work flawlessly. There are several different tranny fluids that I have seen recommended for this problem, including ATF, but the synchromesh seemed to provide consitent results.

If a guy is doing a complete build, instead of just maintenance, I can see why he would go with a proven mechanical fix - that just makes sense to do it that way. People actively driving existing cars with this synchro problem don't have to resort to changing out a tranny when a fluid change will solve their problem.

He has his own experience to go by so I can respect that, I just don't agree with his "garbage" tranny assesment. If we can ease the synchro problem, I think the tranny itself is pretty bulletproof. Overall, I think his plan is pretty well thought out and I would like to see the end result. You gotta love a well built MR2...
:thumbup:

stealth
quote:
Originally posted by Bad Egg
That synchro issue comes up with regularity on the Alltrac/GTFour boards and the MR2 boards as well. Most people find that the synchro notchiness/grindage goes away with a tranny fluid change. The recommended GL5 is full of high-pressure additives and very thick, and supposedly those high-pressure additives are detrimental to the "white metal" synchro components(according to Penzoil info).

After reading up on the subject, I changed to GM synchromesh(has high-pressure additives but not GL5 rated) last year in my GT Four, and the synchros work flawlessly. There are several different tranny fluids that I have seen recommended for this problem, including ATF, but the synchromesh seemed to provide consitent results.

If a guy is doing a complete build, instead of just maintenance, I can see why he would go with a proven mechanical fix - that just makes sense to do it that way. People actively driving existing cars with this synchro problem don't have to resort to changing out a tranny when a fluid change will solve their problem.

He has his own experience to go by so I can respect that, I just don't agree with his "garbage" tranny assesment. If we can ease the synchro problem, I think the tranny itself is pretty bulletproof. Overall, I think his plan is pretty well thought out and I would like to see the end result. You gotta love a well built MR2...
:thumbup:



Couldn't say it better myself. GM Syncromesh will help aid the problem. But replacing the tranny is not needed, unless of course you just buy a 93+ clip with all the extra goodies.

Bulletproof...I have a buddy who cracked his tranny casing, and lost 5th gear on his car, last summer. I don't know if it was just bad luck, or what.

hmong337
quote:
Originally posted by Bad Egg
That synchro issue comes up with regularity on the Alltrac/GTFour boards and the MR2 boards as well. Most people find that the synchro notchiness/grindage goes away with a tranny fluid change. The recommended GL5 is full of high-pressure additives and very thick, and supposedly those high-pressure additives are detrimental to the "white metal" synchro components(according to Penzoil info).

After reading up on the subject, I changed to GM synchromesh(has high-pressure additives but not GL5 rated) last year in my GT Four, and the synchros work flawlessly. There are several different tranny fluids that I have seen recommended for this problem, including ATF, but the synchromesh seemed to provide consitent results.

If a guy is doing a complete build, instead of just maintenance, I can see why he would go with a proven mechanical fix - that just makes sense to do it that way. People actively driving existing cars with this synchro problem don't have to resort to changing out a tranny when a fluid change will solve their problem.

He has his own experience to go by so I can respect that, I just don't agree with his "garbage" tranny assesment. If we can ease the synchro problem, I think the tranny itself is pretty bulletproof. Overall, I think his plan is pretty well thought out and I would like to see the end result. You gotta love a well built MR2...
:thumbup:



GM synchromesh has been proven only as a bandaid for most grinding 90-92 transmissions. Although many have had success using this method, the problem is still there. That would be the weak single cone synchro design that toyota discontinued to use because they weren't up to holding the power . It's older technology that tends to fail, hence why they updated in 1993 to make a better all around car.

Trust me... 90-92 transmissions vs 93+ transmissions is like day and night. There is no comparison. 93+ transmissions are far superior because they worked out all the problems with the earlier model transmissions to improve the new one utilizing a dual synchro unit. Why go with something that has been proven to fail time after time?

I view the 90-92 MR2's as sort of like the guinea pigs for the market. Guinea pigs rightfully so because they were the first models mass produced so people didn't know what to expect and the problems that would arise due to design. Then 1993 hit and significant changes where made resolve the problems with the earlier models. Larger brakes, throttle body inlet, suspension geometry, and transmission made 93+ a far better car in general.

Tech2
fair enough from both sides, i will be careful with mainaining my transmission and use a special lubricant, and one day, when it fails, I'll upgrade. Neither one is wrong.

mx73someday
quote:
Originally posted by hmong337
I'm really looking to purchase a non-turbo five-speed soon. I just need to get a few things sorted out first.

I'm looking around $7000 landed. What kind of mr2 will this amount of money yield for me? 3.5? 4? ...it has to be problem free. I want it in white or black... preferably white. Also, I live in Ontario. How much would it cost to get the car shipped to me?


I should have the money within the next month.



Shipping to Toronto (for example) is $800-900. If your overall budget is $7000, and that leaves roughly $6000 for the MR-2 and the importation to Vancouver, then that should be plenty to find a good non-turbo MR-2. Grade 3.5-4.0 is definitely in range of that budget.




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