Originally Posted by hondasr4kids
Thanks never knew about this.
Pettit Racing supercharger should be nice too. ~Ramy |
i would have liked to see mazda put seq twins on their renesis if its so good. then it would be alot easier to compare the two engines. the reason its more reliable is because it doesnt have all the mess of the turbo setup. ive heard people running into alot of problems with the apex seals when they do turbo them. if mazda really thinks this renesis is a true performance platform why in the hell didnt they put it in a real two door sportscar? the rx8 is just fugly. if your only looking to get minimal performance with NO turbo then try swapping it into a 7. at least it would be more reliable, and the renesis would finally have a better home.
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Originally Posted by GOTBANNED?
waste of time..i'm a tech at mazda and i abosolutly hate the rx-8 that motor is soo under powered! To me i dont think the rx-8 deserves the right to wear a RX badge when you think RX you think pure sports car not a 4 seater tourer. the Mazda 6 has better power than the rx-8 and also handles amazing! and thats a 4 door family car! putting rx-8 motor in a fd would be a waste of time i think just me .02
even if it was turbo charged it would never make the amount of power a 13b-rew would make. Also you think that rx-8 wil pass smog after you do turbo it? Some guys are just passing smog as it is with just exhaust and intake and simple bolt-ons on thier rx-8 don;t forget when u turbo it that means more gasses coing out, managemnt that you have tune perfectly, etc.. you bumped your head. the fd is NOT the rx8. and my ported, turbo'd renesis will NOT perform like the stock 160-185 (depending on what mood the computer is in that day) motor. you mentioned it being underpowered, but mine will do almost twice the whp as a stock engine. the renny almost burns as clean without a cat as the rew does with a cat. the oil pan is more shallow, so i can mount the engine a bit lower in the chassis to improve handling. and are you uneducated enough to think a turbine wheel has any significant effect on emissions? come on, you said you were a tech. and moving back to power, keep in mind i drive a t66-powered fd. i have as much power as i want. this isn't about power. |
Originally Posted by BlueRex
...as far as I know it hasn't been done yet.
you're the only person that even addressed the original question :p: |
^^lol
and the Mazdaspeed6 handles great, but it can't match the RX-8. |
The supercharged 8's were just mules. That's not a real production model. Mazda would never have went through the emissions testing to make it a road legal model without releasing more of them. Doesn't make financial sense.
With the high compression rotors of the renesis you'll be retarding timing just to keep the motor from detonating. The motor mounts aren't the same. The intake was optimized for NA. I don't think it makes much sense changing it over. On the emissions side your just eliminating overlap with the side ports, your still injecting oil. Without a cat your emisions will still suck. Also fuel economy you have to be kidding. I make better fuel economy in my FD than my friend makes in his 8 with a gentle foot. |
1. I'd love to see a turbo Renesis motor in an FD. Zero overlap is a great idea for forced induction. I'd rather supercharge the Renesis for the torque and throttle response, but a turbocharger really cleans up the rotary's exhaust sound.
2. If you're looking to do something different, Dave, I hear that you've got the fab skills to install one of these: www.rotamax.com . They're not proven yet, but the design looks amazing on paper. -s- |
a tv antenna?
fritts... again, i'm not asking for anyone's opinions on the renesis motor. i asked if it had been done. and the renesis is amuch more efficient engine. no denying it. what on earth makes you think it can't match the fuel economy of the rew? saying your 7 gets better gas milage than someone else's 8 is just lame. they're not the same car. a toyota corolla gets better gas milage than a hummer too. |
sorry, the correct link is http://www.rotamax.net/ , it's an all-aluminum rotary engine, with a lot of improvements over Mazda's design. I've heard that it's direct-injected , but haven't seen proof of that yet. Their website has tons of specs, detailed drawings & dimensions for installation, etc...
-s- |
building mounts is easy. the flywheel and mating it to the transmission is the part i'd have to have done somewhere.
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Originally Posted by GUITARJUNKIE28
a tv antenna?
fritts... again, i'm not asking for anyone's opinions on the renesis motor. i asked if it had been done. and the renesis is amuch more efficient engine. no denying it. what on earth makes you think it can't match the fuel economy of the rew? saying your 7 gets better gas milage than someone else's 8 is just lame. they're not the same car. a toyota corolla gets better gas milage than a hummer too. Your comparison is the one that's off. Both engines are the same displacements same type of operation. From info on the 8 forum my AFR ratios are nearly the same except for WOT where the renesis is leaner (based on my tuning). Yet they get very different MPG. Explain to me how the renesis is more efficient. Is the side ports? I don't think so. |
Originally Posted by fritts
Your comparison is the one that's off. Both engines are the same displacements same type of operation. From info on the 8 forum my AFR ratios are nearly the same except for WOT where the renesis is leaner (based on my tuning). Yet they get very different MPG. Explain to me how the renesis is more efficient. Is the side ports? I don't think so.
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actually, it is. zero overlap
but you're still comparing an rx7 to an rx8. don't. |
Mazdatrix toyed with the idea when the 8 first came out but as fare as I know they never got their hands on a Renesis engine. I don't know what's the matter with some people. They sound like grumpy old people tht hate change. SOme of you are being stupid! Have you checked the prices of engine parts lately? My next engine will consist of as my Renesis parrts as possible. I suppose haters will just drop in a LS1 motor instead when they can't afford FD parts. Honda shops make drop in kits for newer and better engines. If we can get a legal turbo kit and the Renesis burns cleaner and it's cheaper, then what's wrong with that?
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i used the renny e-shaft and stationaries in my fd motor.
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Originally Posted by GUITARJUNKIE28
i used the renny e-shaft and stationaries in my fd motor.
yep, they're in my FC motor too. nice parts. :D |
i was going to use the renesis eshaft too cause it was lighter and cheaper but making it fit according to mazdatrix would be a problem. you'd end up spending about the same ammount for a regular fd one but it'd be lighter. i thought you already had a rx8 motor in your fd guitarjunkie. if not what was that motor i saw you selling not so long ago.
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some people are stupid..no matter how much hp you get out of a 4 rotor fd or a 4 rotor fc it's defintley not a waste of time and money as long as it's built right..dont get me wrong im not a big fan of he rx-8 body..but the motor is good..you could get a renesis do be just as quick as any rotary motor as long as it's built right..
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....yeah...now we're getting somewhere...who has made a 2-stage turbocharged 4-rotor Renesis and installed it in a FD? ...oops am I getting carried away?
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yeah, FD's are so superior to my poor RX8. I don't know why a lot of third gen owners feel the need to assert that their car is so much better than mine. They are just different. Yours might be faster out of the box, but look at the time you have had to develop an aftermarket. I can take 3 friends in mine. You could only do that in your with people hanging onto the spoiler and stuffed into the hatch.
We are members of the same family. |
Originally Posted by Terrh
yep, they're in my FC motor too.
nice parts. :D |
Originally Posted by Renesisfury
yeah, FD's are so superior to my poor RX8. I don't know why a lot of third gen owners feel the need to assert that their car is so much better than mine. They are just different. Yours might be faster out of the box, but look at the time you have had to develop an aftermarket. I can take 3 friends in mine. You could only do that in your with people hanging onto the spoiler and stuffed into the hatch.
We are members of the same family. you could buy my renny setup. bolt-in 300+ whp |
Originally Posted by GUITARJUNKIE28
you could buy my renny setup. bolt-in 300+ whp
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Originally Posted by GUITARJUNKIE28
~300whp, smog legal, and more torque than any other 2-rotor.
not to mention better fuel economy. ...it doesnt get better fuel economy than an rx7. |
Originally Posted by fcboy89
...it doesnt get better fuel economy than an rx7.
the car doesn't, but the engine does. it's noticably more efficient. you gotta remember the rx8 is a few hundred pounds heavier than the previous cars, and it's not geared for fuel economy: ~4500rpm @ 85mph, compared to the fd tranny and final drive which puts you somewhere around 3300ish rpm for the same vehicle speed. and the ported renesis gets better fuel economy than the stock renesis!! Renesisfury https://www.rx7club.com/showthread.p...hlight=renesis if you're interested, i'll figure out a price for what you'd need. if it's goin in an rx8, you obviously wouldn't need the $1200 tranny (unless you just wanted a spare), ecu, and some other stuff. and i'll figure out what to knock off if you want to trade your stock engine in too. |
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