I have an 87 tii in California
the engine is not that great
but for about 400 i can get a good na engine in the mean time while i wait to get a good t2 engine later on
was wondering:
1)can put an na engine with the same t2 transmission?
2)are there any DMV issues having an Na when the car is turbo(currently non op)
3)is it worth it? even though its temporary

 

1. NA drive train does not match up with the Tii drive train as far as I'm aware. No
2. DMV shouldn't have any issues, but the smog check might (It's been 2 years since I've been in California so rules may have changed; someone else should answer this)
3. Only if you're desperate to get the car back on the road, I'd save more for a Tii engine.

 

1. Yes. The NA block will bolt to the TII Tranny. Be sure to use the NA flywheel for an NA engine.
2. Yes. The only way this will pass BAR is if the engine is from a newer car. https://www.bar.ca.gov/Industry/Engi...uidelines.html
3. No, not in my opinion. Just save for a TII Engine.

 

Whoops sorry, good catch on the first one. I thought you were swapping transmissions and such; read too fast.

 

#1 is wrong! You need to use the same series T2 flywheel (and any t2 clutch kit) to mate a t2 trans to an n.a engine. So if the block is s4 you need an s4 tii flywheel.

The trans output shaft spline count is different between t2 and n.a

Another option would be to get a t2 lightweight flywheel and a matching engine series rear counterweight.

 

I thought a TII pressure plate would bolt to an NA flywheel, hmm... Yes, the clutch disc is necessary to match the splines. TII disk in NA PP plate assembly? I don't really know off hand.

 

If I were to get he transmission with the na engine
Would that just make things easier?

 

Short answer, no, then he'd need an adapter driveshaft to go between the NA transmission and TII rear. If swapping drivetrain components, it's usually best to do all and keep it consistent front to rear - trans, driveshaft, diff, halfshafts.

To keep his TII transmission, he'll need to mount the TII flywheel and pressure plate on the NA motor, as the easiest way forward.

On a more general note: I don't see how this swap could make sense, even as a temp measure. The TII >NA swap isn't exactly plug-and-play - ECU, AFM, etc need to match the engine (although I think if you went with all-TII harness and sensors it could work, the ECU would just think it was always out of boost. Someone else would have to confirm that, and whether you'd go with the TII or NA injectors).

If the car is your daily and you need wheels, take the few hundred bucks you're thinking of throwing at an NA engine you'll find slow and a bunch of work to swap in, and put it towards an old Focus or Saturn SL or something that's a runner - the money you'll save on gas alone will speed along your being able to rebuild/replace your TII sooner!

 

hmm sounds like it would be a lot more
i guess i should have worded it plug and play
it would be a lot less of a hassle to get a t2 engine or rebuild instead since the car is already t2 and im just going to go with it not being worth personally
and before i agree to buy and do the work
this does answer questions ive had, and thanks for the replies guys