Hi guys
There is another thread going at the moment about rotary conversions and i do not wish to hijack it but it has got me thinking about which one of the 2 has better power and reliability in reasonably standard trim ? I am toying with the idea of building a track car so compliance is not an issue.
Which one is easier to fit and more user friendly ?
Thanks
Bob

i'd go 13bt definitely for a track car, the drama's would be the brake master hitting on the intake and the clutch fork for the 13bt 5 speed other than that i had alot better time installing my 12a compared to the ca18det

I think to answer both sides of your question bob, it's a bit of a toss up, the rotary can be made to put out more power in reasonably standard trim and might be easier to fit to the car, but I dont think it will be as reliable as the CA in the long run.
my 2c

I'd probably go the rotary, specifically because of the weight (or relative lack of weight) of the vehicle. The rotaries (and please bear in mind this is a relative thing) in general produce more power but less torque than a comparable piston engine, which should suit a lighter car and a race-car at that. Plus, there's something quite enjoyable about the powerband of a rotary, even a turbo rotary.

If you are talking relatively standard engines, and making a complete guess as to how many hours you might cover in a year of competition, it's hard to knock the reliability of either one I suspect - you'd be running for a good few seasons before even having to think about any engine freshening up.

Bob there is a fella down hobart that as done the rotary conversion in a coupe It is a 13b I think. He is going to drag it.I bought the back end off him he had a r31 backend under it when I sore it .He is a mechanic and it is a really good job I may still have is number some were if you wanted to give him a call.

hate to say it but power = rotor
just keep screwing the boost into it

i'd rather go for a factory engine.. maybe a well done setup A15 with wiseco pistons. or ca18det

I have had both a 13B Jport 1200 ute and a ca18det 1200 coupe
The Ca18det was better in every way: power,realiability,economy,legality instalatiopn and not to menchin noise and police atraction. Yes you can get more power from a 13b turbo but in my opinion pretty $$$ for a decent engine build box engine managment ect. I would stick with the nissan 4 banger if I where you.

the rotor can make more power, but be prepared to spend a #OOPS#load of money. CA=better value for money.

just out of curiousity - is the car heavier with a ca18det or a 13bt? and secondly, is it possible to backspace the rotary further than the ca18det (or vice versa)?

I can never seem to get a straight answer as to the weight of a rotary engine. I'm also curious, due to the way the capacity increases - I suspect that the larger capacity rotary engines aren't that much heavier than the smaller ones, but could be wrong of course.