3.4 clutch to 3.0 flywheel?
#1
3.4 clutch to 3.0 flywheel?
OK, got a 3.4 from an auto 4Runner, gonna mate it to a R150 manual. I've been researching this quite a bit. I know that the normal/best route would be to get a 3.4 flywheel, clutch and pilot bearing and use a 3.0 pilot bearing. The 3.0 cluth could also be used, but it's smaller, right? The tranny has the shorter input shaft.
What differences are there between the 3.0 and 3.4 flywheels? Could I just drill the 3.0 flywheel to accept the 3.4 clutch? I could get a 3.0 flywheel _much_ easier and cheaper than a 3.4 flywheel, but I don't like the idea of a smaller cluth than original. I also have very good possibilities to do the machine work myself, so it won't be a problem. Are there any gothchas in this plan?
- Mise, Finland
What differences are there between the 3.0 and 3.4 flywheels? Could I just drill the 3.0 flywheel to accept the 3.4 clutch? I could get a 3.0 flywheel _much_ easier and cheaper than a 3.4 flywheel, but I don't like the idea of a smaller cluth than original. I also have very good possibilities to do the machine work myself, so it won't be a problem. Are there any gothchas in this plan?
- Mise, Finland
#2
Registered User
There is a reason it's a bigger flywheel.
Just go with the 3.4 clutch and flywheel, the 3.4 pilot bearing, and the 3.0 throwout bearing and be done with it and never have sleepless nights regarding your tranny.
Just go with the 3.4 clutch and flywheel, the 3.4 pilot bearing, and the 3.0 throwout bearing and be done with it and never have sleepless nights regarding your tranny.
#3
OK, thanks. That's what I'm trying to find out. It's a bit confusing as I've gotten the impression that the flywheel (at least the ring gear) diameter has to be the same, if the same starters and bellhousings fit them both.
The clutch mountings and possibly some other minor mods would be easy to do, but if the flywheels are too different, I'll just have to source a 3.4 flywheel. The closest ones available will be in the US, I guess.
The clutch mountings and possibly some other minor mods would be easy to do, but if the flywheels are too different, I'll just have to source a 3.4 flywheel. The closest ones available will be in the US, I guess.
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