fd=fd3s
rx8=se3p

:D

You'd have to lower the compression ratio before you could run enough PSI to make it worth the time. Otherwise, you'll have some pretty short engine life. :)

^not really, higher compression = same hp with less boost than lower compression. The intake charge will be hot as a bitch but thats where an intercooler kit, and an alcohol/water injection system comes into play. For how much the rx8 costs, you really have to like the body style cause your definitly not getting a straight line monster and everyones knows this. A very very nice FD can be had for 2/3 of the cost of a new rx8 but it's never going to be a 2005.

nah not really, why go through all that trouble? thats why we have race gas..:D

basically if you have high compression and want to run high boost, you run higher octane..

No, higher compression will limit the amount of psi you can run safely, negating the purpose of running such a large turbo whos efficiency level is far greater than the 6-7psi it could run on an RX-8 before blowing the motor. The same goes for the S2000, and 350Zs etc. High compression factory engines are usually not best suited for large turbo gains, where the FDs very intake/engine is built around the turbo function.

I'm considering that the vehilce will run 91-93 octane fuels found on most pumps across the US. ;)

:confused: double post

though you guys ride the Rx8 and some of their owners they have a more reliable engine. the Renesis is the engine of the year i think in 04. the design keeps the seals from bending under load which is a problem that the previous generations suffer from!

hey making your own high octane fuel is not hard man..no need to go to the track and spend like 7 bucks a gallon lol :)

I wouldn't say its any more reliable than other non-turbo rotaries. :D Its a great car, but as far as the engine goes it doesn't do anything too dramatic. It functions for todays market, but had to make sacrifices in order to do so.

Hey, neither is tuning your ignition timing. If someone wants to take that route though (which is still exceeded by the 13B-REW rather easily), then best of luck to them. :bigthumb:

btw, are you still on top of your radiator ducting plans?

Yeah, High Compression really limits the amount of boost you can run without some work being done. All basic Turbo & Superchargers for the e36 m3 start at 6psi and 8psi with an aftercooler. After that, you gotta do work to have it be reliable.


But I dunno about where yall are located. I know back in Florida, at many of the Sunoco's (gas station) there would be like one pump, that sold like 100 octane, or like 102 or something around that octane. My friends used to go fill up on that, like once a month and drive around town in their little rice mobiles.

YOU KNOW NOTHING ABOUT THE RX8. It is LIGHT YEARS BETTER THAN THE RX7 BEFORE IT. The RX8 is a car you can live with. Much more tech advanced. Very refined and comfortable, seats 4, excellent handling and great freeway or roadtrip car. The GT8 has all the modern goodies you expect in Todays touring car. much more powerful than any other non-turbo rotory. Natural aspired engine that won't overheat and blow like it's turbo siblings. Great styling. All round sophisticated sportscar. Got rave reviews and awards. Picked car of the year by car and driver. The RX7's of the 90's was an inferior product in comparison. They were mechanical nightmares and hurt the rotory reputation. The Renesis rotory is changing that.

The future will bring a supercharged rx8 coup and convertible. Goodby Rx7. It had power with the 90's twin tubos but what good is it if they constantly break.

We had a few Sunoco stations around here (Maryland) that used to sell 94 octane, but those aren't around anymore as far as I'm aware. With gas prices as high as they are though, I don't think it even matters much at this point...for the few people that would *need* it, it would be too costly.

before this gets out of hand.......the RX8 cannot, should not and will not be compared to the RX7.......it's like comparing a civic with an NSX. the RX7 will forever be superior in performance but it cannot be compared to a SEDAN.....it might be more comfortable and have more creature comforts that the FC/FD had but that is BECAUSE THE RX8 was made as a SEDAN NOT A SPORTSCAR. the ROTARY reputation comes from the people that DO NOT TAKE CARE OF THEIR CARS....without proper maintenance the engine WILL fail...the same applies to the renesis. AS the renesis continues in development we will see advancements in the wankel rotary design....again....don't ever compare the 8 to any RX7 because the 8 is the CIVIC and the RX7 is the NSX of rotaries.


YOU AND FORCE13B are wrong.

The 8 is not the replacement for the rx7........it was a platform USED to bring out the NEW rotary engine with revised technology and design....you cannot invest in the production of a rotary SPORTSCAR(RX7) without a test mule (RX8). The 8 did well in sales and revived the rotary enthusiasm which is how Mazda will fund the new RX7.......the TRUE new rotary Sports CAR (not sedan)

basically you're compaing old tech with new..ANY new car will feel like the rx8 minus the underpowered engine it delivers for the price..i sat in a 05 acura rsx and it DEF DEF feels better and more comfortable than the rx8..its def a drivers car..not something where you just sit in and go because thats what its meant to do..

as far as performance? i choose balls to the wall power over a slow ass n/a engine with a warranty..people act like our engines are gold and its hard to find/get..people who buy these probably (i hope) know about these engines so making power but sacrificing some life is no problem to them..

and i dont mean to be offensive but the rx8 is not better looking than the FD..it looks good, its unique but compaing it to the FD, its def not better looking as far as style IMHO..

and like mazdarx7 said, the rx8 is not the replacement for the rx7..you think the mazdaspeed 8 (if it comes out) will be awesome? just wait until they unveil the new 7 (if they do)..it will always be more dominant..

rx7 rules forever, they of should perfected on what was already a great car, instead they go south, and pussy out with a NA motor and and saturn/7 combo..yeah the 8 is cool car, but it wont ever stand next to the 7...never

damn....so many ignorant 8 owners and 7 owners that are haters......why all of this?.....i wouldnt sat they 8 is a civic and 7 is an nsx.....thats not really a fair comparison.....maybe a nsx and integra type r would be closer in honda terms.....but still....cant we all just get along?.....the 8 is a great car for its purposes and so is the 7.....both are awesome in thier own ways but are also very different.....and its not really fair to compare 10+ year old tech to brand new....im sure if and when the new 7 gets released its gonna be balls to the wall.....but the 8 is a sportscar.....mazda said it themselves.....they are 2 different cars though and the 8 was never intended to replace the 7......lets get over the hate and get along damnit!!

well you can't come into an rx7 forum and calim the RX8 is superior to an RX7 and expect people not to laugh in your face bro....it's just damn "ignant"........and the 8 is a sports sedan.....BTW I hope to one day buy the 8 as a family car....by then I might a good USED MARKET price.;)

oh yeah...Idon't bother waving at 8 owners anymore.....they give me dirty looks like i'm gay or something........that's IF they even turn to look.

Word is the rx7 model name is dead. The next rx8 will be a supercharged 2 seater with the renesis engine. Rx8 is a test mule for the modern rotory not any old antiquated RX7 rotory. It has been brought back cause the 6 port now meets the stridgent emmision requierments that killed the rx7. The rx8 sedan is a true sports car according to every car mag and auto authority. It handles like a dream. and will out handle just about anything (unmodded)that is not a sportscar.

Yes the RX8 should not be compared to the RX7. The 8 contiues from where the 7 left off. Much, Much more car for the money. There's not going to be any rx7 is the future. The renesis is the future rotory and it's already called the 8. The rotory is competetive again. The 90's almost killed it with the rotory turbo blow up cars.

Looks are subjective. i think they are equally beautiful but the FD is dated.

I hardly call a 14.5 ET 148mph car slowass. You may mean the low powered Auto rx8. It ain't no super car but the 6sp hold it's own on the track.

A civic to a nsx? No it's like comparing an RX8 to the nsx. I'll take the RX8 and save my money. A civic is'nt anymore like the RX8 then it is the nsx. You may as well list all three in the same catagory with your reasoning. The rx7 is just a name given to past rotories. I got news for ya all. It's now called the rx8 renesis now. Live with it or get out of the present.

we'll see.

dude stop hating...your making the other 8 owners look bad :rolleyes:

I think this discussion is getting out of hand.

If anything the rx8 can be compared to the n/a rx7s. If you're making this comparison, then yes, the renesis motor is a big leap.

However, its kind of silly to compare the rx8 to an turbo fc or fd because of the forced induction. Even if you drop 5g to turbo the rx8, you're limited to 6 psi (greddy claims 250 rwhp or so).

If you drop 1.2g for pfc, 400 intake, 250 dp, 400 exhaust, thats 2250 total for the fd. You can run 12psi and make 300rwhp. so basically, you can drop half the cost of turboing the rx8 and make 50 rwhp more than the rx8, and still be reliable.

The rx8 is more of a sporty/sports touring car than a true sports car. The rx7 is a true sports car, a different generation maybe, but still a sports car. I'm actually glad mazda decided not to continue the using the rx7 name.

regardless of forced induction.....the Renesis is a technological advancement that is still under development.....it has potential but we are FAR from achieving the ultimate goal: a high reving, decently powered, reliable and FUEL EFFICIENT wankel design rotary.....the only thing the renesis has so far is DECENT power (for an NA rotary) and high revving..........I have yet to see how reliable the car is (hasn't been out long enough) and the fuel efficiency is not there.......the thing about the RX8 that we are arguing about is stupid..........we are arguing over which car looks better and which seats more or has a more comfy interior.......when we should all be talking about the heart of it..the Renesis. A true rotary enthusiast CAN look past the minor/major exterior and interior PROS AND CONS and realize that the Renesis IS the future and not the FE chassis( suspension is imporrtant too but ignored inmy argument).

no, the 8 does no continue from the 7, how many times has this been said? thats like saying the 300zx continued from the 240..

LOL FD is dated?? you obviously never owned nor driven an FD..go drive one for a day, you'll see how many looks, stares, waves and smiles the car will bring you..then you get the ocassional viper, 2004 mazda, o is that a new car? what year is that, 2003, 2005??

yeah, you're right, it is dated then lol.. the FD has endless lines, something that will always be in style now, and many more years to come..

and look at the sports cars of the 90s and the sports cars of this decade..umm looks like the 90s cars are still popular, probably more popular than this decade's sports cars..and we're in what? going into the 6th year?? lol come on man, these cars were made almost to its best..something you cant replace..

2ND THAT!!! Chrism1 and I are trying to bridge the rotary gap and your offensive posts (RXEXITED) are really coming off as childish. An FD is the King of rotaries in my book. Why does that bother you? I own an 8, and it doesn't bother me... ? .... I used to own an 87 gxl, also. They are both great, just different. Yes the Renesis is great engine, but it didn't get that way by accident-12A, 13B, 13REW, Do you see a pattern here? These are all superb rotary designs. PERIOD. We (this means you too!) can learn A LOT from the 7 owners! I for one would like them to share the their rotary passion and knowledge. In all fairness, it was because of their passion that the rotary is back anyway!
Just my 2 cents...

7 and 8 forever!

You mean new emissions test for 96, and a downword turn on the sportscar market as a whole killed the FD...just as it did most sports cars in the era, later catching the mighty Supra in 98.

Hats off to the 8 owners though who balance the other overzealous members over here. Chrism1 and Max5roadster, you have nothing to be ashamed of with your cars. While most 8 owners would/do get the nod, sadly most of them aren't aware of their rotary lineage.