DAVID GRIMES

I've always heard that the rule of thumb for comparing rotory engines to boingers was to double the displacement, so 1.3 ( 13B ) is 2.6 and I guess the 12A would compare to a 2.3 liter boinger. That is like 12% greater displacement.

But the way they ( Mazda ) ONLY put the 13B in the fuel injected SE's doesn't really compare to the carbed 12A's as far as comparing the power difference based solely on displacement.

I'd bet that head to head with carb 12A versus carb 13B and FI 12A versus FI 13B ( with everything alse proportionally equal ) that there's only that 12% greater power relative to the displacement.

An additional 12% on top of 100 hp is noticably more, but not tremendous. That's why there are some really powerful engines of both 12A and 13B. There's alot of potential in both. The little bastards really perk up quick if you up the induction and exhaust correctly.

I want about 250-300 rwhp that can crank every day. I want that power without having tremendous boost levels. I believe my 4 port street ported 13B will give me that with 8-10 pounds of supercharger boost through a holley 650 without straining anything. We will see.

//[T.0.P]//

Doesn't horepower specifications as far as what's been done to car really matter when it comes to a rotary engine based vehicle? Like my 12A is based at 100bhp, but I have a good feeling that it can do some serious top end with or little modifications.

So as your saying 200-300rwhp, would that be fast enough for you if you were comparing it to a civic or another import? Or would you consider that horsepower will be competitive with TA's or even Z28's, or even the good ol' Z06

DAVID GRIMES

Dude !!! A 2000 pound vehicle with 250 to 300 horsepower to the rear wheels, with great throttle response, even 8000 rpm redline, with the right gears going on ( tranny through tires ) can and is a force to be reckoned with. Way beyond rice.

DAVID GRIMES

Stock TA's and Z28's and Mustang GT's are high 13's low 14's in the quarter. The above criteria would better their results easily.

kenn_chan

Nt to mention that T/A and Z28's are full on pork chops that handle like a wet mattress! hey Dave, has he figured out the sucking part yet, or is he still nibbling?

kenn

//[T.0.P]//

yeah I figured this car is beyound rice .. heh, most definately .. but you know when you get out on the road, your car gotta be serious too. But that is some hp for the rear wheels. If I go out there with a suped up 7 I would want to beat anything I would face down the road.

DAVID GRIMES

Well, unfortunately there are a few extraordinary cars ( stock ) that you'd best not mess with on straights on the street... Viper being one. We're talking stock 0-60 in like 3 seconds !!! And engineered to do it daily.

I know exactly what you mean about wanting to beat anything you face. It can be done, but to beat almost ANYTHING takes a reliability sacrifice IMO. To beat stock Z's and RX-8 and Camaro and Mustang and the occasional 'vette is doable without beating your **** up too bad.

The beauty of the rotory IMO is that you can triple the stock horsepower without a King's ransom and still have a car that can last indefinitely. When you double the horsepower on any boinger, **** starts twisting and flying apart and its life is measured in number of passes, not thousands of miles.

Now I got respect for a big block 600 HP torquemonster that used to have 300HP before somebody opened the Jeg's book and started spending many thousands of dollars, but **** if I would want to leave on a long trip ( say 400 miles ) in one some fine weekend. First of all, it'll never make it. 2nd, it'll take over 100 in gas. 3rd, it'll be a cop magnet everywhere you go even though it's technically legal ( all tubbed and treaded slicks ). And 4th, it'd probably ride, handle and drive like crap. Most do.