Added: 3 years ago
From: coke1078
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  • NEWS FLASH!!!! Mazda announced they were no longer going to make retardy engines:( I wonder why?

  • Any video or pictures of the oil pan and cradle? I am putting a 5.3L in my first gen and just wondering how other ppl have done it. So far I have not found much info on this swap at all.

  • What makes these cars unique is the rotary engine... :-/ You killed it...

  • @JonathanKillam

    I totally agree with you

  • nice! I put an LS1 in my Porsche 924!

  • fail 

  • 2010 Corvette LS3 / 430hp / 26 hwy mpg

    2010 Mazda RX'8 / 230hp / 22 hwy mpg

    So which type of engine would you consider the inefficient gas hog?

  • @alan1320x You forgot the size and the rpms...

  • @LiveWire8241 who cares about the size and rpm? Mazda fanboys get all butthurt because the ls1 is simply a better motor. It's cheaper, makes way more power easily, has a bigger aftermarket, sounds better, usually weighs LESS, is more reliable and is extremely simple to work on.

    Not to mention, it's also more fuel efficient and has lower emissions.

  • @cyberslick18 All us "fanboys" care about that stuff dude, that is what Im saying, and a ls1 does not weigh less than a rotory, not even the new 16x. Also, Putting a piston engine in a rx car is like putting a piston engine in a plane, its just wierd. You cannot compare a piston engine directly to the rotory like that when they have no similarities, and don't hate on pople because they see the value in something you don't, that just makes for an arrogant character.

  • @LiveWire8241 we have been putting piston engines into planes since the wright brothers invented them "dude". Are you telling me I can't compare two car motors because they aren't similar? Please, pass the crack pipe.

  • @LiveWire8241 There is only one way to look at it. The motor moves the car. So you can either have a motor, that for about $5000, will make you 250 horsepower give or take. Another 6k for a decent turbo (the ONLY way a rotary is going to make power), and you'll have a quick car with a tiny powerband, that will shit out a seal once a month, and no torque.

    Or for $5k from start to finish, you can have a 550 rwhp naturally aspirated monster with a gigantic powerband that will never break.

  • @cyberslick18 Btw, you can add more rotors. So yes there is power outside of forced induction. 4-rotor 8's have won Le-mans and such. A 20B rotory produces somehwere of 300 hp, and it's 2.0 liters. Sti's and Evos only make that via forced induction (though they are faster by virtue of awd benefits). And a Evo or Sti will beat any LS1 engine off the line anytime. So you can see the rotory is not that far off, you just have to pay some extra to play.

  • @LiveWire8241 You can't honestly compare a four rotor to a freaking ls1. There are probably fewer than 20 running four rotors on the planet at the moment. Saying you can add more rotors is like saying you can add another v8 and make a w16. Yes, technically you can, but no one has the ability to do that in their garage, or without some serious cash. Hell, an eccentric crank for a four rotor costs almost $15k. I'm talking bang for buck. I could put a turbine in an rx7, doesn't mean its smart.

  • @LiveWire8241 So which would you rather have? $10k for a high 12 second car that sounds like a lawnmower, or $5k for a car running in the tens that sounds like one of the most iconic sports cars the world has ever known, has a powerband the size of texas, makes just as much torque as horsepower (most rotary guys forget this, but torque is what actually moves the car), is totally bulletproof (200k miles on a performance motor? You can with the ls1) and a ridiculous aftermarket. Rotary? Please.

  • @cyberslick18 I dislike the use of your "please" clearly people have chosen rotory over piston, as RX cars do sell, and rx-7s are hard o come by anymore (in good condition, as is with any older car). Try finding something like a roadrunner in good condition for under 15k, probably not going to happen. Hell my friend just bought a rivera for 4k and it was basically trashed up.

  • @LiveWire8241 I don't know why you are talking about price of the car, that's not my issue. I'm talking motor for motor, the ls1 is vastly superior in just about every category except weight. Unless your car has to make min (or max) weight for an event, weight is almost entirely negligible by the additional power made.

    You also keep forgetting to mention torque. A 20b rotary make 300 hp (at the crank, more like 240 or less at the wheels), and almost half as much torque.

  • @cyberslick18 The price of the car comment was directed twoards your comment nobody likes rotory cars. Aside from that yes, the 20b makes something like 250, 255 at the wheels (rwhp) but that comes with the terrain; everycar does that, the nice thing about mazda platforms is that they transfer the power so well.

  • @LiveWire8241 A full dressed 265hp (and much less torque) 13B-REW weighs almost 375 lbs, a chevy ls6 dropping 450 hp/400ftlb STOCK weighs 450lbs dressed.

    Are you mad? It weighs 75lbs more and is about twice the motor. Which would you honestly rather have?

  • @cyberslick18 First off, on your weight quotes, why are you quoting a twin turbo rotory? Those are old motors and are much less efficient than, say, the upcoming 16x. Second, a 13B-MSP weighs 247 lbs. That is the bare guts and glory of the situation with its 220+ no f-induction. Don't be quoting inaccurately please, you are misleading all those who are reading this. And I would prefer you not comment 6 times to make a point because I am only reading those which pop up in my inbox. Thnx.

  • @alan1320x the rotary also consumes oil. :D

  • @alan1320x

    2010 corvette

    15 mpg

  • @heinamen You have completely defeated me. YOU are wise beyond your own years.

  • @alan1320x how much each of them cost dum bass and how much maintanence and parts and shit

  • @KLONIME1001 well after initial cost i think u can get a 2010 vette for like low 30s now since its 2 years old...the engine is bulletproof trans bulletproof..rear may be suspect if u do a million burnouts..so mazda lets see..rotary eats oil so possibility of running low and blowing up..un blanced possibility of of fouling and blowing up simply iunreliable possiblity of blowing up.... trans suspect ...rear...not bad really...since theres barely any tourqe 2 break ne thing..love the rx7s ne way

  • @bergaflickal

    I would not say a rotary "eats oil" it may consume maybe a quart every 2k to 3k miles, but thats not bad consider it was designed to do it. There is really no chance of going so low on oil you blow it up, you would have to be pretty stupid. The old rx8 transmissions were a bit suspect but the new 2009+ transmissions are GREAT. The rx8 having 232 hp NA is pretty damn good considering the rx7 was 280(final iteration, 3rd gen fd) and it had dual turbos lol.

  • good lookin car have a 79 same color

  • wow. ruin a perfect car by putting american shit in it

  • while ls1 is a good engine, its prolly my last choice... but thats my opinion and thats not my car. its a nice car man and good to see people making cars the way they want them. i personally would have went with a 5.0 or just stayed in the rotary family all together. still though, sick ass car. its easily faster than my truck and my pos grand am lol

  • any have any idea how expensive 3/4 rotar engines are let alone fitting them ?

    *sigh*

  • @Crazybenjiwoo they are also heavier than an ls1.

  • this is no longer a RX-7. =|. no offense but RX is rotory experimental ... and its a rotory no more

  • what size rim

  • I absolutely LOVE this car but I would like to know one thing.. why do import racers talk so much crap about american muscle engines and then put one in an import?

  • @steelstrings1312 It goes both ways really. Domestics talk shit on imports and imports on domestics. The reason why domestic guys don't put import engines in is because they're expensive as hell. A toyota engine might cost 6k. Ls1 cost like 2k?

  • Very nice. You made the car great!

  • wow! now i wanna go drop a 2jz in a 70 boss mustang!!! whos with me!?

  • how do these particular rx7's handle at high speeds on the interstate?

  • never tought that car could be yellow lo nice car man

  • no one should ever put any piston in an rx7 doesn't matter what year. fact of the matter is you can get just as much power from a rotary and they are much easier to build and work on than a piston engine. I have owned 3 FBs and they are the best cars I have ever owned. Unless you've had one or at least driven one dont talk sh*t cause you don't know what your saying. And yes even tho I love rotary I agree the rx8 is a pile of crap, sorry to any one who has one I've driven them and the 7 is better

  • Yea that rotary was put in there front midship to make the weight distribution 50/50. i dont care how much power you have, if you unload the rear end like that youre asking to get sideways at a bad time. mazda spent millions designing that shit. if it aint broke...

  • Has your Rx-7 run an 11 second quarter mile?

  • yes, go to my page and youll see quater mile runs..

  • Have owned Mazda's and have had no problems with them ever. Even drives in the snow very well and that is a read well drive car.

    I love Chevy's, owned a K5 and reluctantly sold it, but in no way would I say a rotary engine is crap, you don't know what you are talking about.

  • They need some serious development, that's for sure. They drink way too much gas even compared to a V8 and aren't very reliable. It's a great concept, it just needs further development.

  • The gas mileage can be tweaked, the worst part about the Mazda used to the gaskets seals would break. But if you have ever really driven an Rx-7 and redlined that thing over and over again, it can take a beating and keep going. Maybe I had luck with the one's I owned, but never had problems with them.

    40 less fuel parts and should you need a new engine, easy to replace and not expensive, not on the older models.

  • My 7 has 108k miles on the engine and it has been the most reliable car I've ever had. And yes, when you only have one manufacturer developing the engine that's only been around (in real production form) since the 1960s, there is quite some room for improvement. Throw an F1 budget at a rotary, and see what happens.

  • My friend used to have an RX7 and he said it was a total money pit as far as the repairs and whatnot. So I'm kinda going by that lol

    Definitely, it'll shine if they further develop the technology. Only thing is that now we're leaning towards fuel efficiency and lower production costs.

  • i think you mean rear wheel..not read well. no?

  • OMG yes a Rotory that gets the same or worse gas mileage as the LS1 is so wonderful... yeah...

    Lets look at the newest Rotory found in the RX8's, we have 200NA HP with every damn bolt on and thats pushing it. Its a POS, then those say boost it... ok boost an LS1 again results show LS1 vs any model Rotory the Rotory will not out perform.

    Now lets hit reliable... and watch it fly right by. Almost every RX8 out has been back in before 40kmiles for everything from motor to tranny problems...

  • say no more. own one and have someone slap you everytime you do something wrong. and if you fuck it up, you either got fucked by the guy who sold it to you or your freind wasnt slapping you hard enough. owning them and racing them and just running your mouth are two very different things, im not saying your wrong but own one a good one under good care, and then get back at me. till then STFU

  • ok so i assume you're talking about the LS1 being in a vette rite? yea well incase you didn't know, vettes are known as "super cars" they fall in a class with vipers & the ford GT. they're not on the same line as rx7s or rx8s so shut the fuck up.

  • ls1's come in 1997-2002 camaros and trans ams.. those are in the same class...

  • WOW I upset a few so lets cover some bases

    I have owned 2 1st gens and 1 2nd gen. The Rotory is a cute experiment that failed.

    None of my points are not backed up by facts sorry its just the truth.

    The LSx Series is found in the Camaro, Firebird, Corvette, GTO, Chevy/GMC Trucks, SUV's the list goes on so again don't be arrogant because your upset.

    I personally think the RX7 FC is on the same level with a Camaro and such, its a great car esp with an LSx in it.

  • Why did you reply to me..??

  • I was just replying to this string of the topic since so many replied to me.

  • cool

  • not doubting ur logic, but just wonderin y u feel that the rotary failed?

  • To be honest there are things I dislike:

    1) Boost and Rotorys results in blown Apex Seals, and this gave the rotory a bad name,. honestly before this reliability was not bad with them.

    2) Gas Mileage sucks though... granted I am basing most of this off the newest Rotory in the RX8 but come on 15mpg or so.... Without the Trq of a V8 which can get 19mpg to 26mpg with a 6 speed... I personally regard that as a failure.

  • @crossgt6 it would be interesting to see what different manufacturers could do to make a reliable rotary...since mazda def doesnt make the best reciprocating engines...maybe its mazda that sucks and not the rotary itself...lol

  • Not saying your wrong, but if this was true im sure we would see more manufactures making rotary engines.

  • @03protegeES i think the research and design cost, and the fuel consumption thing might be scarin them away lol

  • 3) The fact that most who own the RX8's & have problems do not know how to service them, however in hind sight I do not remember the 13b using as much oil as this new one does.. maybe its just me.

    But those are my reasons to dislike the rotory.

    I have claimed down since this started, I still think its a neat idea I just don't feel they are that great of a stepping stone when cost vs power is really looked at.

  • @crossgt6 i can see where ur comin from, but imo 1) theres more to a rotary than apex seals, and the same problems can occur in a piston engin (ie rings, valves, etc). 2) gas mileage does suck but the huge flames out the muffler make up for it. 3) people should educate themselves about rotaries b4 buyin one. they are designed 2 burn oil so check it regularly. again this is my opinion...and another thing...the 13b is THE ONLY rotary engine mass produced. there are THOUSANDS of diff piston engines

  • Sweet car. i don't see why people are offended by it?

  • why abuse the little car :(

  • u god damn rednecks piss me off

    wat?? ur tooo stupid..rotary too complicated for u?? that motors better

    off in your minivan...ur no true rotary fan.

    ohh and by the way nice FB =D hahah

  • bygyella is pissed off he found biggeryella. That's a bad ass ride!

  • hey bygyella !whats it to you maybe somebody wants to build something unique and reliable unlike a rotary

  • yes because putting a common muscle car engine in is unique. more people do this instead of leaving in the original engine or putting in an s4 rotary which suggests that this is not unique in the least bit.

  • whats unique is a ls1 in a FIRST GEN RX7 please dont comment if you dont even got a car in your profile

  • Why is that people can't seem to build the engines that come in the car. Seems to me they should learn how to build the rotary opposed to putting a LS1 chevy or 347 ford V8 in them. I think it takes a away the cars characteristics,even though it's clean,knowing it has a pissed on piston in it, just takes away the meaning and mystic of the RX-7. Sad!

  • true . my dad and uncle had rx7's an rx2's they had rotary all the way!!! roti !

  • god someone that finally understands ur right

  • What type of mufflers? do you have any part#'s

    also how is your exhaust set? sweet sweet ride!

    TC

  • did you fish tail it at the end dude? nice fb btw! dont mind the haters, i have a honda too, but i just love the ls1 swap in the rx7 chassis.

  • what a waste of a good 1st gen :/

  • if u had an rx7 i might of respected your comment but dont comment if you drive a piece of shit hundai.

  • clearly you didnt see the video of my piece of shit beating an rx7 did you? seriously, why would you do this to a perfectly good 1st gen, RASP (rotaries against piston swaps)

  • yea i did and that rx7 was a rotary u aint going to beat this one with that piece of shit lol

  • not without a 100 shot but i know a honda civic with a 50 shot thatll kill it

  • how fast is the civic in a quater?????

  • youll think im bsing you, but its never legally ran a quarter. its ran a couple times a ccc, its just an old hatch, a k swap, with a 50 shot. it put a car length on a z06. but i think the 1st gen is lighter than a z06 im not sure, itd be a good run,

  • it better be a 10 sec civic.

  • rotary engines kicks pistons engines ASS

  • listen up dirt bag you're talking a lot of shit... lets see what you got?

  • uh ls1's are v8s dude

  • algien me puede orientar sobre que modificaciones se hacen para ponerle un v8 a un rx7 85 se los agradeceria mucho

  • like

  • sounds lika v8

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