hey y'all im new to the rotary scene and my bud wants to sell me a 83 gsl for 900. he gave me a ride in it and i was impressed. so i may buy it, but if i get it i would like to create a ton of power. for starers i was thinking of a webbber sidedraft carb, and a street beat headers, and my home make dual pipe system. how much of a hp gain can i expect, and what can i do to get 250+ hp out of my 12a. anything helps thx

 

250 hp out of a 12a... hmm a mild street port, and 75 shot of nitrous maybe. wow you should just go with the 13b 6 port. i have the gsl-se and took the egi off. put a weber on it and i think that gave me about 20 hp. no exhaust and i can still grab 3rd gear. people tell me that when i get exhaust it should get me like 20 more hp.

 

Turbo or Supercharge it thats a start.

 

to get 250hp, you will need porting. street beat? perhaps you mean racingbeat. i would not waste my time with a custom dual pipe exhaust. i would spend the cash and get a racing beat exhaust. to get 250hp, you may want a blowthrough turbo setup, upgraded ignition and fuel system. perhaps a weber like you said. with an exhaust and carb, you can expect about a 40-60% gain in power. try www.rotaryshack.com, www.racingbeat.com, or www.mazdatrix.com, or www.pineappleracing.com.

 

rotaryshack.com the link above doesn't work because of a comma at the end this one will though.

 

www.rotaryshack.com Said the link worked then left off a vital part of it. Well now I feel stupid. Here you go!!

 

forced fed is the only way. Unless you wanta PP 12a that drinks fuel like no tomorrow.

 

thanks y'all alot

 

yeah roberts 12a makes 700 horse power too, I guess hes gonna have to change his s/n lol.

 

Big bridge or peripheral port.

 

Just remember that these aren't really streetable.

 

Does anyone have any dyno's on a 12a stock port with a turbo on a blow thru carb? I was curious what is the hp output is. I have heard claims but no one really has the dyno sheet. I just want to know what to expect when I finally get mine going.

Sorry for the thread jack, but it relavant to the subject.

 

My 12a J-bridge makes 245 flywheel hp. And about 11 MPG. kicks and bucks under 4,000rpms.

So you might want to go TURBO.

 

damn proxy error made me double post

 

Define "streetable".

There are people who find stock engines unstreetable! I'm one of them... damn thing has no low end torque and by the time you get to the powerband, it's like, "why bother?" Need more biggerful porting to make more low end, more midrange, more top end, all while sacrificing low load driveability.

Either that or get a bigger engine (artificially by turbocharging, or mechanically by yanking the wee little rotary and installing something that boings and has a lot of 'em)

 

Streetable meaning a decent idle and exh not too loud to attract cops.

 

Yeah, the stock idle sucks rocks, it can idle smooth down to like 400rpm. A properly decent idle goes brap brap brap at 1400-1700 or so RPM.

 

Yay for Peejay!
Thats the spirit!

Turbo this,Turbo that! I`ll stick to the Brap-Brap!
Karis

 

Ya I don't even know if a 12a would be worth turboing. I've thought long and hard what I wanted to do with my 12a. So if I go to a bigger engine like the 13bt I now have 3 12a's which are no good to me.

 

I'll take them off your hands. No Charge!

 

not worth turboing? 13bt is way over rated....12a is the way to go for the real all around performance for the money. if your turboing, go with the 12a dude

 

nothing like sitting there while the car goes brap brap brap brap bbbbbbb brap brap brap brap brap bbbb brap brap brap. I could go on for ever. then when you step on the gas it goes paaaaaaaaaaaaaaaaaaaan paaaaaaaaaaaanapaaaaaaaaaaaaaaaaaaaaaaan.

 

Drive a Tempo for a year. You'll run crying back to your RX-7. You don't know the meaning of "why bother" until you drive one.

 

go from dumping about 3000 into a civic and then buy a rx7 with a bunch of goodies......hehehe.....and then try and go back to civics.....the civic is now my g\fs. my rx7 is horrible on gas, but I love it. I find putting a 20 in the tank and using it all in one a good day....fun as hell. I can't drive my 7 so much cause of gas mileage but oh well. My exhaust can be loud as hell and sound like one of the guys down at the track but who cares its great.

 

My first car got as little as 2mpg, and needed 93 octane to do it. (BUT at least it idled really sweet )

RX-7 has goooooood mileage.