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The flywheel in my 3TC is an aftermarket flywheel and it is quite a bit bigger than the stock 4AC. With that being said it doesn't look like it will spline up with my starter cause it is not big enough in diameter. The stock 3tc flywheel should be 200mm in diameter and so should the 4ac... SO! Does it sound like I just need a 4AC starter or what could I do?
-the flywheel that is in my car is bigger than the stock 4AC flywheel.
-new starter?
Or
-3tc flywheel?
(Starter is cheaper)

I tried reading this like 8 times and the same question came to mind. What does a 3tc have to do with a 4ac? Do you have a 1983 corolla? Your first sentence is killing me! First find out if you have a 3tc or 4ac, not really sure about it but I dont think you can use a 4 ac starter on a 3tc or the other way around. I cant even try to explain what I want to tell you!

Maybe an 83 rolla with a 3tc engine , if so ? No The 4ac f/wheel can not be used

Hmmm...
Allow me to stir some mud in to the already unclear waters...

Maybe OP owns a corolla originally equipped with 4AC and T50 gearbox to suit?
Maybe the OP has made a good decision to replace the 4AC with a 3TC?
Maybe OP is hoping to bolt the 4AC T50 and its clutch/flywheel up to the 3TC?

3TC bellhousing bolt pattern is different to 4AC.
3TC flywheel bolt pattern on the crank is different to the 4AC.

As already indicated you need a gearbox and clutch and starter motor from a 3TC, or ones which are actually compatible!

Nope still no clearer???


Cheers,
Jason

3tc, also uses 2 different sizes of starters....