Imports

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Lighter and more compact. Lower C of G and better weight distribution and centralization. Also the RE Amemiya FD has been using a rotary in the Super GT series and JGTC when it was called that. Then there's the Formula Mazda series in the states that use relatively stock rotaries out of the RX-8.
Yes, but those are production-based series, so of course would allow factory-style engines. But as far as I know rotaries have been outlawed in the Le Mans series.
 
Pshaw... of course rotaries are reliable... you just have to remember that, like two-strokes, rotaries consider motor oil a consumable item. :D

Much as I think most of Toyota's modern cars are just plain boring, I've always had an attraction to their big ones... that Century up there is wowzah.

I'm oddly fond of Toyota Crowns...

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And this is what I'd like to do with one...

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I'd post more... but most modified Crowns are VIP-style... too low, too blingy, too DUB for my tastes...
 
Perhaps it's because of their high tendency to be unreliable.
Technically they're very reliable, just short-lived like I said. If you've got a built and turbod rotary you can predict exactly what will go wrong, and when.
 
Riiiight.
There aren't any timing belts to tension, no valve lash to adjust, no rockers or lifters or pushrods or any sort of drivetrain that could potentially develop problems. There are three moving parts and provided you keep them oiled they'll hold their compression for 200,000 miles with half the maintenance required of a piston engine. Everything is short lived once you start adding power though.
 
Yes, but those are production-based series, so of course would allow factory-style engines. But as far as I know rotaries have been outlawed in the Le Mans series.

I agree.


There aren't any timing belts to tension, no valve lash to adjust, no rockers or lifters or pushrods or any sort of drivetrain that could potentially develop problems. There are three moving parts and provided you keep them oiled they'll hold their compression for 200,000 miles with half the maintenance required of a piston engine. Everything is short lived once you start adding power though.

Yeah they're definitely more reliable than the average person thinks they are. Definitely more than I believed at least. I think it's just that a significant amount of people who own them are second hand owners. Their original owners most likely treated them like piston engines and neglected them like many typical (lets not start another aero discussion now :lol:) American car owners neglect their cars. Adding to that, these new owners are also the people who go out and drift them about and bounce them off the rev limiter constantly, clutch kick, etc.

I have a friend who has owned a Turbo II for some time (also a drifter but doesn't drive the car like a 16 y.o.) and until he swapped it for a bridge ported engine not so long ago (the Turbo II 13b is now in his, previously NA, convertible) it never had any unreliable episodes.
 
There aren't any timing belts to tension, no valve lash to adjust, no rockers or lifters or pushrods or any sort of drivetrain that could potentially develop problems. There are three moving parts and provided you keep them oiled they'll hold their compression for 200,000 miles with half the maintenance required of a piston engine. Everything is short lived once you start adding power though.

the NA models are fine. The Turbo rotaries are the problem.
 
the NA models are fine. The Turbo rotaries are the problem.
From what I've seen, they seem to last longer if you run the piss out of them on a regular basis. Weird, but coming from someone who works on Mazdas, he says the ones that come in with problems are usually the ones owned by old people who never drive them hard.
 
From what I've seen, they seem to last longer if you run the piss out of them on a regular basis. Weird, but coming from someone who works on Mazdas, he says the ones that come in with problems are usually the ones owned by old people who never drive them hard.
That's pretty much true for most cars.
Baby them and they've got problems but drive them like they're supposed to be driven and they seem to hold up.
 
Agreed. The only times I've heard of Honda engines blowing up for example are when the first owner was in their 70s and never went above 3,000rpm in fifty thousand miles, and then the second owner was a car enthusiast who used the car as it was designed and the upper reaches of the engine hadn't been run in.

The other thing I've heard from rotaries is that whether you potter around at low speeds or thrash them, fuel and oil consumption is pretty much the same. So you may as well thrash them.
 
The other thing I've heard from rotaries is that whether you potter around at low speeds or thrash them, fuel and oil consumption is pretty much the same. So you may as well thrash them.
Fuel consumption goes up and down just like anything, and oil consumption depends on rpm so those aren't really reasons. The main reason is because rotaries' compression ratio varies with rpm - at lower rpm the compression is actually mighty low. The engines run very dirty down there and carbon buildup can muddle its performance. It's quite noticeable so you have to rev it out every now and then to keep it clean.
 
and vehicles running 6-71 blowers? I seem to remember King Krunch having trouble keeping oil in the engine during the '89 season...
 
I need to go back to Scotland :drool:. I love the external wastegate on the white Evo, the whole car just flows so well together.
 
Silver S2K gets a 👍 from me. White bB in the vid doesn't. I don't mind the car, and styling and colour wise there's nothing wrong with it, but much as I sometimes like slammed cars I still don't get the whole massive camber and stretch thing. Just looks daft.
 

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