I am new to the whole rotary world, I am used to being seated behind a huge V8 engine of a Corvette. I got the 1990 Rx-7 as a project car, it is non-turbo. I got it at a great price and thought that I couldn't lose out on it with the price I payed for it. My question is....

How far can this engine go non-turbo?

It runs good, just a little afterburn is about the only problem.

If I have to I will put either a turbo on it or swap the engine out.

Any help would be great, thanks...

 

there is alot of choices... depends on how much money you are willing to spend

 

there was a thread about this. I forget the title. Try searching.

Jarrett

 

if you want lots of hp do the turbo swap...

 

I belive this is the one your thinking of.

beefy n/a

 

To be honest, there's not tonnes you can do to the NA to make great gobs of power and still be streetable (besides installing a turbo). A bridgeport and nitrous can put a good 250 down to the wheels and still be reliable, but if you want to make more, you're looking at peripheral porting and other extremes.

 

Aaron you've got a good point. However being an N/A maniac i'm also a GO for getting more power.

I'll make this short since it's been covered in Previous threads.

Basic mods, Intake Exhaust (FULL) iE: Header/mid/catback of highquality. This will yeild some noticeable powerincrease. Throttle body mod, emissions removal (yes i know. removing emissions doesnt help HP but it does make engine bay relitivly easier to work on)

After these basic mods you could get a light flywheel. maybe even get some Nitrous.

Than comes the bigstuff. Porting, rebuilding (get that motor running to 110% compression and add a nice Large/mild street port you'll be all set.

One of the largest drawbacks of the stock ECU system is the AFM. once you've got a street port and header and intake ect.. all that Air is trying to go thru a small/cheap/ now ineffective silver box with a flapper door. This will be the time to upgrade to a standalone EMS Haltech/wolf/i recommend Microtech (only cause we sell them) With all those mods and a standalone ANY ENGINE would come alive.

-Markus

P.S Microtech/BP 13b 4port coming soon...

 

this is what im doing next since my car got stolen.. Ive done the whole n/a thing just havent bother street porting it.. Ive done the whole T2 thing with the fuel computer but I still love the feel of the n/a and I would love to keep driftign more and would rather do that in a n/a.. heres what I plan..

1990 block / huge street port / twm intake manafold / microtech / aluminum flywheel / street strip clutch.. with full suspension that would make a very fast n/a

 

BCTY your are very correct. with a large port, proper fuel system and FULL exhaust with some sort of Cold air induction (plumbing to front of car?) and Standalong EMS you could be pushing around 220-230hp at the wheels. Could be more could be less that's a good estimate That Aint badd.. now is it?

-Markus

 

I saw a guy putting a four rotor in his. Don't know if it actually worked, but it would haul ***** if it did.

 

Dave Gibson at fc3s.org is in the development stages of a turbo kit for us N/A guys. I personally perfer a supercharger but figured I'd spread the word for him. It will be awesome when he's through. Go Here and then click on "new products" and you'll see it under there.

 

That's not even funny. They shouldn't get N/a Guys hopes up like that. :P

 

It's true. People said we couldn't/wouldn't make CF hoods, but we did We are doing a number of things for the FC right now, and even a few things for the FD as well.

 

hey if i get another n/a i would love to get a supercharger for it.. but that is one of those n/a myths that seem to never happen and someone is always trying something to get it to work ( air pump ) it would be awesome to have one and ill buy one if it hits the shelfs.. love to try the different feel over a modded turbo and a highly modded n/a..

Tyler

 

Turbo kits for NA....yawn....

 

This guy is used to being behind a Vette V8. Ten bucks says he sells the car or does a piston swap.

 

200 whp is fast?

 

I don't see a standalone adding 55-60 hp. Sorry.

Stock intake manifold system, thats about where you're going to top out a 6 port block. The AFM is not as restrcitive as people wish it was.

 

i love how people are always saying 'port job, stand alone fule sys, etc.... and your good for about 230WHEEL horse power" but does anyone have 6port n/a with 230whp?

 

You want a supercharger? Me too. Heres the one I'm keepin an eye on.

Sch---> Fuel Injected Supercharger

 

why not, i would miss the torque too. not to mention how much cheaper it would be.

 

I miss torque so much, my vette was putting down 425ftlbs of tq and 350hp to the ground. I loved pacing another car on the freeway at 65mph and then slamming it into 2nd, the vette would take off like the other car was standing still.

 

the answer is no

 

13B not torquey enough? Drive 10A or 12A cars, you will feel 13B is so torquey Anyway, you always gotta stay on high rpms if you want to go faster on NA, but you don't feel torque much...

 

i say tear it down and put an S/C on it, that should net you some good numbers.