NE RX-7 Forum Serving ME, NH, VT, MA, RI, CT, NY, NJ, DE, PA, OH, WV, MD and VA

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Old Mar 5, 2008 | 01:32 AM
  #26  
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Originally Posted by 0din
hi im new to the rx7 and i plan on getting one and then swapping in a v8. I live in PA and am currently in high school, 12th grade.
Sounds good. Keep us updated.
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Old Mar 5, 2008 | 01:18 PM
  #27  
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Because you can put 400 ft lbs of torque into a 2700lb car with the SAME weight balance over the front wheels as stock without every cracking open the motor or having to pay someone for tuning. Thats why.

Originally Posted by helghast7
^^your right theres nothing wrong with rotaries and v8's......BUT.....really whats the point? why not get a camaro- firebird- trans am, grand national, mustang, charger, challenger, cuda,....yada yada yada......and just use that?

to be different? NOT!

call me what you want.....but there are tons and tons of people that want these cars WITH the engines they were supposed to come with so they can aswell say they have something different, something that stands alone.

on another note, a pistons a pistons a pistons a piston. they all have the same basis no matter what little changes they make. the last thing i saw that even made me a bit interested was displacement on demand....and even that wasnt so grand....how many engines that are mass produced for automobiles can say they dont need pistons or valves to work? thats different

but you know what it is a free country after all so do what you want......just dont expect everyone here to be giddy about the swap

and unlike some people we all wont call you idiots just because we dont agree with you

lastly, may i make just two suggestion, and if you would be so kind as to listen. can you at least drive the car(if you buy one that runs that is) with the stock engine and see what you think before you do the swap, you may find you like it. Lastly please dont trash the engine, sell it to somebody...its alot better off that the engine stays in circulation then meeting a cruel destruction before its time.

thanks
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Old Mar 5, 2008 | 01:41 PM
  #28  
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Listen people im planning on buying a rx7 with no motor in it and putting in a v8, i love the way rx7 look, i just want the reliability of a v8, thats why im buying an rx7 with no motor. so if some of you could keep your pants on that would be great.
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Old Mar 5, 2008 | 02:39 PM
  #29  
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You can do what you want It's your choice, but what bothers me is the misconception that a rotary is unreliable. It is reliable! The problem is that there are so many backyard mechanics out there that re-use seals, gaskets, and don’t care to use a micrometer to make sure parts are with in spec.

Mazda also has the racing record to prove it that the rotary is reliable and Mazda is the only Japanese make to win the 24 hour Le Mans. Mazda wanted to compete again the next season, but they changed the rules and banned the rotary from competing. If the motor was un-reliable then why prevent it from competing? Why change the rules? The rotary would just break down, right?

It’s cool that you want to have a V-8, but a rotary is just as reliable as a V-8.

A V-8 does have more torque no doubt about it, but than you have to make sure you can put all that torque to the ground or you'll just spin the wheels until you get traction.

In my opinion the rotary has the right balance it's small, has less moving parts, and enough torque to get you off the line and into the high rpm range where the rotary truely shines.

Last edited by 2wankel; Mar 5, 2008 at 02:46 PM.
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Old Mar 5, 2008 | 03:08 PM
  #30  
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well i guess i can do some more research on rotary but do many mechanics know about rotary? and also how much would a decent rotary engine cost that would be comparable to an ls1 in speed or hp
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Old Mar 5, 2008 | 03:46 PM
  #31  
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All said and done the performance aspect difference between a LS1 and Rotary has yet to be determined. We are doing a friendly competition in the NE for just that.

These arguments have be beat to death 100x times over. In the end, do what is right for YOU and YOU alone.

Here are some things to think about in your decision
- Any engine is only as good as its mechanic (look in your area for shops and their reputation as you will probably need one either way in the future)
- There is negligible weight difference between a turbo rotary and an aluminum LS motor
- Reliability is purely an opinion based thing. Each option will have its issues as you deal with either old parts and wiring or parts that were not originally intended to be mated together.
- The cost for heavily modifying the car going either route will be about the same in the end.
- There is nothing magical about either motor. They were both created by human beings and both combine fuel and air to create combustion.
- With a turbo rotary you will have to worry about air and water temps. With a LS1 you will have to worry about oil slosh and oil pumps/timing chains that usually need to be upgraded

In the end, they are both cars. They will both get you to point B and neither of them will get you into a super secret club.

It doesn’t sound like you are a purist so don’t worry about those fools ranting and raving. If you want to know which one performs better, then that has yet to be decided.

Read up a little more about both options and make the decision yourself. Feel free to go to local meets and see if you can get a ride in either version.
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Old Mar 5, 2008 | 04:25 PM
  #32  
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Wow I forget to say Hi to the new guy lol
this topic really turned upside down.
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Old Mar 5, 2008 | 08:32 PM
  #33  
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My rotary was reliable, I had a tuned PFC for it, and all the supporting mods. I really liked it. But considering the next step for me was a GT35R aspec kit, the price of it, and the fact that I was going to have to deal with finding a tuner and getting the car to said tuner for work, not to mention then chance that the tuner may blow up the motor and I'd have to start all over. I had just read too many nightmare stories about it.

The Rotary is reliable if done right, however very few tuners out there can in fact get it right, and thats what makes working with the rotary difficult.

Originally Posted by 2wankel
You can do what you want It's your choice, but what bothers me is the misconception that a rotary is unreliable. It is reliable! The problem is that there are so many backyard mechanics out there that re-use seals, gaskets, and don’t care to use a micrometer to make sure parts are with in spec.

Mazda also has the racing record to prove it that the rotary is reliable and Mazda is the only Japanese make to win the 24 hour Le Mans. Mazda wanted to compete again the next season, but they changed the rules and banned the rotary from competing. If the motor was un-reliable then why prevent it from competing? Why change the rules? The rotary would just break down, right?

It’s cool that you want to have a V-8, but a rotary is just as reliable as a V-8.

A V-8 does have more torque no doubt about it, but than you have to make sure you can put all that torque to the ground or you'll just spin the wheels until you get traction.

In my opinion the rotary has the right balance it's small, has less moving parts, and enough torque to get you off the line and into the high rpm range where the rotary truely shines.
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Old Mar 5, 2008 | 08:37 PM
  #34  
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Originally Posted by 0din
hi im new to the rx7 and i plan on getting one and then swapping in a v8. I live in PA and am currently in high school, 12th grade.
i saw a guy with a v8 in an rx7... i laughed really hard
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Old Mar 5, 2008 | 08:56 PM
  #35  
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My Friend Got A Real Nice 7 He Has Nice Paint Job Nice Simple Interior

Nice Rims But When People Ask About Engine ,real Rotary Fan And Even

People That Know The Rx7's They Go ( Ohhhhh) It Has A V8..like Not

Impress, Car Runs 10's But Whats The Thrill In That It Sounds Like A

Muscle Car,,not A Rotary,,
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Old Mar 5, 2008 | 09:15 PM
  #36  
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Originally Posted by f1blueRx7
My rotary was reliable, I had a tuned PFC for it, and all the supporting mods. I really liked it. But considering the next step for me was a GT35R aspec kit, the price of it, and the fact that I was going to have to deal with finding a tuner and getting the car to said tuner for work, not to mention then chance that the tuner may blow up the motor and I'd have to start all over. I had just read too many nightmare stories about it.

The Rotary is reliable if done right, however very few tuners out there can in fact get it right, and thats what makes working with the rotary difficult.
I agree with you, with a turbo you have to have it tuned right and it is more susceptible to detonation. An NA is a different story virtually bullet proof. Le Mans 787b was NA.
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Old Mar 5, 2008 | 11:45 PM
  #37  
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Originally Posted by su_maverick
All said and done the performance aspect difference between a LS1 and Rotary has yet to be determined. We are doing a friendly competition in the NE for just that.

These arguments have be beat to death 100x times over. In the end, do what is right for YOU and YOU alone.

Here are some things to think about in your decision
- Any engine is only as good as its mechanic (look in your area for shops and their reputation as you will probably need one either way in the future)
- There is negligible weight difference between a turbo rotary and an aluminum LS motor
- Reliability is purely an opinion based thing. Each option will have its issues as you deal with either old parts and wiring or parts that were not originally intended to be mated together.
- The cost for heavily modifying the car going either route will be about the same in the end.
- There is nothing magical about either motor. They were both created by human beings and both combine fuel and air to create combustion.
- With a turbo rotary you will have to worry about air and water temps. With a LS1 you will have to worry about oil slosh and oil pumps/timing chains that usually need to be upgraded

In the end, they are both cars. They will both get you to point B and neither of them will get you into a super secret club.

It doesn’t sound like you are a purist so don’t worry about those FOOLS ranting and raving. If you want to know which one performs better, then that has yet to be decided.

Read up a little more about both options and make the decision yourself. Feel free to go to local meets and see if you can get a ride in either version.
i would have to say that i would agree with this the most,

the only thing i dont agree with is the name calling.......it appears to me that the V8 people enjoy calling people names that voice their opinions very dissapointing
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Old Mar 5, 2008 | 11:58 PM
  #38  
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Yeah Stay with the rotary you would be surprised what you can do with it
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Old Mar 6, 2008 | 08:49 AM
  #39  
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Originally Posted by helghast7
i would have to say that i would agree with this the most,

the only thing i dont agree with is the name calling.......it appears to me that the V8 people enjoy calling people names that voice their opinions very dissapointing
It works both ways. You really have to take a step back and say "Am I posting this because I'm a fanatic and really have no factual insight for the v8 rx7 argument? Or do I have something of value to add to the conversation."

I think if every "Don't rip the soul out of the rx7" and "Omg rotary sux, v8 rules" poster used the above logic, then there wouldn't be anymore name calling.
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Old Mar 6, 2008 | 11:15 AM
  #40  
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Originally Posted by 2wankel
I agree with you, with a turbo you have to have it tuned right and it is more susceptible to detonation. An NA is a different story virtually bullet proof. Le Mans 787b was NA.
I agree with this 100%. I think the NA Rotary is an extremely good motor and the only reason I didn’t go with a NA 20B instead of the V8 is because of limited supply and harder to find replacement parts. I honestly hope that the new car they have in the works will be an NA 3 rotor because I know that it would be a blast to drive.

The problem with rotaries in the US has always been tuning. If you go to any good tuning shop in Japan, they spend days tuning the cars instead of hours. FEED uses stethoscopes to listen for any possible knock. If we had this type of quality and owners who were willing to pay for it, you would see a lot less problems with the cars. Hell, even Mazda admits they have a long way to go. Look at all the recalls with the RX-8 due to needing re-flashes to the ECU.


Lets face it, RX-7s have gotten a lot cheaper over the years and so have their owners. Instead of paying for the R&D of proven companies they are buying e-Bay knock offs and not reading FAQ’s. How many times has someone posted a thread in the 3rd gen section saying “oh noez, I think I just blew my motor!!” after they just bought their car and thrown on a full exhaust and intake without thinking about leaning their car out or boost control?

Originally Posted by helghast7
i would have to say that i would agree with this the most,

the only thing i dont agree with is the name calling.......it appears to me that the V8 people enjoy calling people names that voice their opinions very dissapointing
Sorry about any name calling but I just cant deal with fanaticism in any discussion. It has lead to more hatred and persecution in our worlds history than anything else. Everything is inconclusive about the swap in performance standards right now. I understand that purist rotary folks don’t like the idea of doing the swap but nobody has the right to tell someone else what to do with their car just like any other part of someone’s life.

Originally Posted by f1blueRx7
It works both ways. You really have to take a step back and say "Am I posting this because I'm a fanatic and really have no factual insight for the v8 rx7 argument? Or do I have something of value to add to the conversation."

I think if every "Don't rip the soul out of the rx7" and "Omg rotary sux, v8 rules" poster used the above logic, then there wouldn't be anymore name calling.
Very true. When people stop feeling like there is more to these cars than a bunch of parts assembled together then we can have a normal discussion.

Everyone should look at it this way. How silly would all this sound if you replaced what we were talking about with something else? How about hamburgers? Would you be ranting and raving the same way if someone bought a hamburger but requested mayo instead of mustard on it?

Remember, you bought a car, not a way of life.
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Old Mar 6, 2008 | 12:34 PM
  #41  
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Well some people say owning a rotary IS a way of life xD

hell my buddy Izzy has tattoos of a rotor choking a piston xD
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Old Mar 6, 2008 | 02:00 PM
  #42  
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no, it just takes up your life - I kid I kid

Look, the point of it is that nobody is telling you how to work on your car so dont tell others how to work on theirs.
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Old Mar 6, 2008 | 02:28 PM
  #43  
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welcome to the darkside kid. good luck!

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Old Mar 6, 2008 | 11:36 PM
  #44  
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Originally Posted by f1blueRx7
It works both ways. You really have to take a step back and say "Am I posting this because I'm a fanatic and really have no factual insight for the v8 rx7 argument? Or do I have something of value to add to the conversation."

I think if every "Don't rip the soul out of the rx7" and "Omg rotary sux, v8 rules" poster used the above logic, then there wouldn't be anymore name calling.
i have, and i have come to understand what really bugs me, its not the whole swaping the engine part, i can live with and respect that...after all theres very few cars that could be as huge a sleeper as ours regardless of engine(well except for the FD)
its this:


Originally Posted by 0din
hi im NEW to the rx7 and i plan on getting one and then swapping in a v8. I live in PA and am currently in high school, 12th grade.
Originally Posted by 0din
well i GUESS i can do some more research on rotary but do many mechanics know about rotary? and also how much would a decent rotary engine cost that would be comparable to an ls1 in speed or hp
Originally Posted by su_maverick
Lets face it, RX-7s have gotten a lot cheaper over the years and so have their owners. Instead of paying for the R&D of proven companies they are buying e-Bay knock offs and not reading FAQ’s. How many times has someone posted a thread in the 3rd gen section saying “oh noez, I think I just blew my motor!!” after they just bought their car and thrown on a full exhaust and intake without thinking about leaning their car out or boost control?
people know absolutely nothing about our cars...what so ever. we have the dumb leading the naive.... its a **** load of people who were clueless about the engine that fucked theres up so they went V8, then there friends want a Rx7 so that person tells their friend to just do the swap from the begining because the engine is weak and unreliable.

this is what i have a problem with, this is why most mechanics are afraid of our engines. why people(example) with like 4 posts that joined yesterday are saying that rotors suck, that they guess they should look up more info after they made their decision to put the car under the knife.

theres this kid in my school that i ******* want to beat the **** out of because of what he says. just becasue the school went to e-town and there was a a couple rotors there that he knows everything about them, and that hes going to do this with them and that with them, and a rotor can destroy anything. i swear if i hear him say to put a rotor in (insert name of car here) one more time, hes going to dissapear.

the sadest part about the whole thing is, he knows i have one. but rather than really learning and understanding, he just spreads his b.s all over....yet he doesnt say a peep when im there, because he knows all hes saying is ****. people like that who blow motors then spread the lies.

these are the people that annoy me.....not people like you 1blueRx7, who drove it then decided to go bigger

but like i wrote before, do whatever you want. a frames a frame. its not like its my car.

im done i have no more to say.
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Old Mar 7, 2008 | 11:35 AM
  #45  
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Helghast - if we are ever at a meet together I will give you a ride :-D
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Old Mar 7, 2008 | 11:50 AM
  #46  
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Originally Posted by su_maverick
Helghast - if we are ever at a meet together I will give you a ride :-D

LOL, I think you need to specify that ride.
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Old Mar 7, 2008 | 12:15 PM
  #47  
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har har har.
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Old Mar 7, 2008 | 02:55 PM
  #48  
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Im in lancaster, there is 2 guys in york with v8 7's One a FD making like 500hp, and a FC thats almost done. I personally run a rotary. Ive driven a couple v8's and it didnt do much for me. So if your looking for rotary info, Im around.
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Old Mar 7, 2008 | 03:02 PM
  #49  
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Originally Posted by 0din
hi im new to the rx7 and i plan on getting one and then swapping in a v8. I live in PA and am currently in high school, 12th grade.
Hey wat's up man! Welcome to the site! Not too often I see anyone from PA on here, glad i can add you to my list!
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Old Mar 7, 2008 | 06:52 PM
  #50  
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Originally Posted by su_maverick
Helghast - if we are ever at a meet together I will give you a ride :-D
u going to the md bbq or mazdafest? i should be at both
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