WRX vs RX-7 from a stop - Page 2
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This is a discussion on WRX vs RX-7 from a stop within the Comparison: WRX vs World forums, part of the Community - Meet other Enthusiasts category; He said it was the second gen dude!...

  1. #16
    Registered User Shard's Avatar
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    He said it was the second gen dude!

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  3. #17
    Registered User LemonHerb's Avatar
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    To be honest I was really dissapointed how easy it turned out to be. I was exspecting more. But you never know, he may have not been really moded much. Or just needed to replace his engine, again.
    -Andrew

  4. #18
    Registered User Shard's Avatar
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    Originally posted by LemonHerb
    Or just needed to replace his engine, again.
    Ouch, uncalled for shot below the belt. Rotaries can last just as long (if not longer) than any piston engine if cared for properly. Many people treated this car as they did with their pistons, and thus you see many replaced engines.

  5. #19
    Registered User LemonHerb's Avatar
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    Isnt it really cheap in comparison to replace a rotory? That could be why they are treated worse because its not as hard to replace.
    -Andrew

  6. #20
    Registered User drbyers's Avatar
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    rotary engines

    I used to own an RX-7 and the biggest advantage - as well as disadvantage - they had were their engines.

    Wankel rotary engines are almost bulletproof because they have only one moving part: the center rotational shaft which spins the rotors as opposed to four-stroke pistons.

    That said however, the early generations of these engines suffered from excessive fuel and oil consumption because of their design. They also seriously lacked torque (the ability to burn fuel to turn into twisting force).

    It wasn't until the third generation RX-7 that Mazda did anything to remedy the situation.

    They dropped in two ceramic turbos to keep torque up - a primary one that continuously spun and a secondary one to really kick in once the revs climbed into haul-ass speed.

    Theoretically, the rotary engine could spin well past 10,000 rpm but the gas mileage already sucks, so you have to put a limiter on the engine.

    The third generation car also went on a serious diet, which let it stay competitive with any performance car of its time.

    They also handled better than anything out there because of their neutral 50/50 weight balance and super low center of gravity - thanks to the compactness of the rotary engine and extensive aluminum panels.

    In fact, I'd still buy one if I knew I could find one that had a decent body. The aluminum body panels would ding very easily. Beyond that the cars are an enthusiast's dream.

  7. #21
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    def was a 2 nd gen.
    A 3rd gen puts several cars on WRX.
    I raced a wrx when i only has exhaust and intake to his exhaust and intake and i pretty much just ran away...the race was over before it started. not being a ****...just my experience

    matt
    94 rx7 340rwhp @14psi
    12.5 @112 mph @12 psi on street tires and slippin clutch

  8. #22
    Registered User LemonHerb's Avatar
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    To be honest I thought I was gonna get wasted because it was an RX-7. I dont know about how good or fast each generation was. So I was dissapointed that it was so easy.
    -Andrew

  9. #23
    Registered User Jobe's Avatar
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    What are the models of the 3rd gens? Were they all TT or did they have any N/A's? I remember reading about single turbo FD's as well.

  10. #24
    Registered User 1fastwrx's Avatar
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    Originally posted by matty088
    [B]def was a 2 nd gen.
    A 3rd gen puts several cars on WRX.
    I raced a wrx when i only has exhaust and intake to his exhaust and intake and i pretty much just ran away...the race was over before it started. not being a ****...just my experience
    Well the guy i raced didn't know how to drive then. He thought he was cool and pulled next to me and did the BoV drive by. So i did it back to him and his friend was like you wanna run. I said sure, we went for a 30 roll and i just walked away from him.
    My only mods at the time, and still, are boost controller @16psi intake and exhaust.

    he got rid of that car and got an s2000.

    Patrick

  11. #25
    Registered User PKer's Avatar
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    Originally posted by 1fastwrx
    he got rid of that car and got an s2000.

    Patrick
    Not much of an improvement

  12. #26
    Registered User Shard's Avatar
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    Originally posted by Jobe
    What are the models of the 3rd gens? Were they all TT or did they have any N/A's? I remember reading about single turbo FD's as well.
    I stand corrected.

    www.rx7club.com
    Last edited by Shard; 05-07-2003 at 11:28 AM.

  13. #27
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    all the FD's sold in the US were TT, also he prolly tried to race a N/A FC, they are slow stock

  14. #28
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    2nd gen NA is slow

    I used to have a 2nd generation RX-7, non-turbo, and that is about as fast as a Civic SI (16 or 17 sec 1/4 mile). You'll have to step up to the 3rd generation RX-7 to get a challenge.

    I wanted to purchase a 3rd generation, and took a used one out for a test drive. It is approximately as fast as a WRX but is much lower to the ground, and is more of a true sports car. It also looks nicer. But it is more expensive (sticker) and has a high resale value.

    I'm not sure if I agree with the reliability claims. I haven't had that much experience or even knowledge of the 3rd generation car + mods, but I believe 'the word' is that they become unreliable once you start adding performance mods. Also, their engine bay is very dense and compact, making work hard to do.

    AstroDavid

  15. #29
    Registered User PKer's Avatar
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    Re: 2nd gen NA is slow

    Originally posted by dbenyaacov
    but I believe 'the word' is that they become unreliable once you start adding performance mods. Also, their engine bay is very dense and compact, making work hard to do.

    AstroDavid
    I think unreliable is an understatement, If you are going to buy a used RX-7 be wary of any that have 60K or more on the original engine.

  16. #30
    Registered User drbyers's Avatar
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    I had a first generation mazda and had well over 200,000 miles on the original engine and I drove like a maniac. Those engines are bullet-proof.

    As for being too crowded in the engine bay, all the engine's accessories and components are afixed mostly on top or near the front of the engine (which is by the way, amazingly compact itself).

    I wouldn't advise working on the engine yourself, however, unless you have a first or second generation engine. They were a lot simpler to take apart. As for the third generation engines, forget it - take it to a good rotary specialist.

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