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(Jalopnik)   What happens when a 21-year old takes a first generation RX7, throws out the rotary engine, puts in a V8, and makes a whole bunch of other questionable modifications? (Not safe for work language)   (jalopnik.com) divider line 82
    More: Cool, rotary engine, adaptations, generation RX7  
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10777 clicks; posted to Geek » on 12 Feb 2013 at 8:54 PM (1 year ago)   |  Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



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2013-02-12 06:39:23 PM
A friend of mine in high school had exactly that car.  Back in 1992.
 
2013-02-12 07:31:21 PM
I can't imagine a V8 in an RX-7.  I'd be afraid of the thing turning into a pretzel every time I stepped on the gas.
 
2013-02-12 08:20:57 PM
I thought Wankel invented the rotary engine...
 
2013-02-12 08:59:30 PM
I miss my '82 and '85 RX7s, both were eminently reliable and fun to drive, even in Canadian winters.
 
2013-02-12 09:04:23 PM
My 85 RX7 was the best car I've ever owned. Still miss it, and doing 130mph on I-5....
 
2013-02-12 09:08:56 PM
Mark Hamill did it first.

www.vetteonline.com

The kid even stole his hair.

1.bp.blogspot.com
 
2013-02-12 09:09:50 PM
This is one I prepared earlier

i47.tinypic.com
 
2013-02-12 09:11:33 PM
You came in that thing? You're braver than I thought.
 
2013-02-12 09:13:43 PM

ekdikeo4: A friend of mine in high school had exactly that car.  Back in 1992.


Exactly?
 
2013-02-12 09:14:42 PM
That kid is going places.  Not anywhere good but he's going.  Fast.
 
2013-02-12 09:14:52 PM
Looks like something straight out of "Road Warrior".
 
2013-02-12 09:20:12 PM
I laughed when I saw the Harbor Freight multimeter. I use the same one.
 
2013-02-12 09:20:34 PM
I love cars like that. They are the essence of hotrodding. A word which, in my own worldview, excludes shop-build and purchased part cars, but includes anything built, no matter how ugly, slow or poor handling, with whatever a person had laying around.

Good stuff.
 
2013-02-12 09:22:13 PM
Add one of these on the side

i117.photobucket.com
 
2013-02-12 09:23:46 PM
My high school auto teacher would have fainted when he saw this -- he is/was a rotary engine specialist.
 
2013-02-12 09:25:47 PM
A V8-swapped RX7 is nothing new, but good on him for cobbling this thing together!
 
2013-02-12 09:25:50 PM

theflatline: Mark Hamill did it first.

[www.vetteonline.com image 640x427]

The kid even stole his hair.


The asymmetrical hood scoop on that always annoyed me.
 
2013-02-12 09:46:48 PM
Looks like a candidate for the 24 Hours of Lemons
 
2013-02-12 10:02:47 PM
My first car was a '85 RX-7. On the morning I got it, I took it out to see how it handled on the freeway. Began to accelarate, and after about 30 seconds, I realized I was going 110 mph with no shaking and rattles in the car. Best car I ever owned.

/RIP Rocket: 2000-2003
 
2013-02-12 10:08:44 PM
What happens when a 21-year old takes a first generation RX7, throws out the rotary engine, puts in a V8, and makes a whole bunch of other questionable modifications?

Gawker reposts it from reddit. That's what happens.
 
2013-02-12 10:09:50 PM

Vodka Zombie: I can't imagine a V8 in an RX-7.  I'd be afraid of the thing turning into a pretzel every time I stepped on the gas.


Actually, a Vette V8 is one of the easiest piston engines to drop into an RX-7.  You can easily buy a mounting kit for an LT1, it drops right into a second-gen RX, and makes it into a 300hp car with almost perfect 50/50 weight distribution.  It's pretty neat to do if you have the time, money, and skill.
 
2013-02-12 10:14:44 PM
The rotary is the entire point of the RX-7.  The handling balance is amazing and the engine is so smooth and quiet.

If you want to drag race, go mod an old Corvette or something.

/miss my '88 FC3S
 
2013-02-12 10:17:31 PM

DemonEater: Vodka Zombie: I can't imagine a V8 in an RX-7.  I'd be afraid of the thing turning into a pretzel every time I stepped on the gas.

Actually, a Vette V8 is one of the easiest piston engines to drop into an RX-7.  You can easily buy a mounting kit for an LT1, it drops right into a second-gen RX, and makes it into a 300hp car with almost perfect 50/50 weight distribution.  It's pretty neat to do if you have the time, money, and skill.


It was sad how the rotary engine did the RX series in.  They were excellent cars with great balance, but the Wankel gave them an unsavory rep they never recovered from in the eyes of the general public.  I always thought Mazda should have offered a V6 (or maybe I4) + FI option.  The engine swapped ones are excellent little cars, if the general public had been able to buy something like that stock the RX might have survived.
 
2013-02-12 10:29:46 PM
My favorite thing is the cowcatcher mod on the front, like it's a steam engine of death that says "yeah critter that happens to be wandering across the road, you're a Tostito."
 
2013-02-12 10:35:13 PM
Good for you, kid. Future president of 4chan Motorcorp!

Love it.
 
2013-02-12 10:37:11 PM
how does it pass inspection?
 
2013-02-12 10:38:52 PM
I particularly liked the tach with the extra hand-written gauge points, "LOL" and "NO!"
 
2013-02-12 10:41:49 PM

summersa74: Looks like a candidate for the 24 Hours of Lemons


200 bs lap penalty at least

likely candidate for people curse if the kid is an asshat
 
2013-02-12 10:41:57 PM

BalugaJoe: how does it pass inspection?


The guy spent $13K turning a shiatemobile into a rocketship, you don't think he knows how to grease a palm?
 
2013-02-12 10:43:51 PM

BalugaJoe: how does it pass inspection?


well, he ain't old enough to purchase the liquor for bribing the judges at LeMons, so I hope he brings some good munchies
 
2013-02-12 10:43:58 PM

BalugaJoe: how does it pass inspection?


It doesn't.  And there isn't an insurance company in the world that would cover him driving it.
 
2013-02-12 10:44:17 PM

Vodka Zombie: I can't imagine a V8 in an RX-7.  I'd be afraid of the thing turning into a pretzel every time I stepped on the gas.


Nah, the body's pretty tough.  The weakest point is the upper rear link mounts on the body, the poor rear suspension geometry combined with the way the metal comes together making it rust-prone in every climate make those tend to tear out.  BTDT.

I do find humorous how Subby implied that throwing out the rotary was one of the questionable modifications.  I'm not one of the holy rotors, but for performance use, to get a piston engine to be as reliable as a rotary is a lot of work.  A Ford V8 won't tolerate extended use over 6000rpm without an aftermarket block (and crank if '82-up) while even full race rotaries are surprisingly stock inside.  The one in mine is all OEM components save for some clearancing (and many hours of porting) and it's an anvil.

But then, I stopped playing with piston engines for performance use when I got tired of looking at engine internals without first using tools.
 
2013-02-12 10:50:21 PM

BalugaJoe: how does it pass inspection?


What's "inspection"?

/ http://www.youtube.com/watch?v=M2KZByFivwU
 
2013-02-12 10:50:26 PM
Nice find subby!

/ex 1st and 2nd gen RX-7 tuner.
 
2013-02-12 10:53:00 PM

Mister Peejay: 'm not one of the holy rotors, but for performance use, to get a piston engine to be as reliable as a rotary is a lot of work.


The big problem is that most people didn't know how to maintain the rotary engine in their RX7.  Then the RX8 came out and it had some early on problems with flooding, which killed them in the court of public opinion.

/plus the car nut community for GM V8s is much bigger than the rotary engine community at this point
//easier to find spare parts
 
2013-02-12 10:54:47 PM

redsquid: I laughed when I saw the Harbor Freight multimeter. I use the same one.


Harbor Freight is the goodies! My wife actually doesn't mind aimlessly walking around in there.
 
2013-02-12 10:57:23 PM

fusillade762: Looks like something straight out of "Road Warrior".



Seriously. That motherfarker is going to do nicely in the post apaocalyptic world.  I mean he has a goddamn multimeter for the gas gauge!!! WTF, that's amazing.

Oh, and that kid is DEFINITELY a /b/tard.
 
2013-02-12 11:05:13 PM

ha-ha-guy: The big problem is that most people didn't know how to maintain the rotary engine in their RX7.  Then the RX8 came out and it had some early on problems with flooding, which killed them in the court of public opinion.


There's really nothing to maintain, which is the funny part.  They just don't tolerate short-cycle driving, being shut off when cold, or being driven lightly for extended periods.

Unfortunately for Mazda, this describes well over 99% of the driving public.  I suspect much of the RX-8's problems stem from the high teenage-girl ownership percentage.  Nothing against teenage girls, they gotta drive something too, but "It's Cyclops's car" is exactly the wrong reason to get one.

Someone else said it best - rotaries make incredible racing engines, and crappy street engines.
 
2013-02-12 11:06:04 PM

lithappens: My first car was a '85 RX-7. On the morning I got it, I took it out to see how it handled on the freeway. Began to accelarate, and after about 30 seconds, I realized I was going 110 mph with no shaking and rattles in the car. Best car I ever owned.

/RIP Rocket: 2000-2003


Ditto on the '85 RX-7- first car I ever bought with my own money.  Some great memories in that car- being startled by the engine overrev warning at 7k RPM, hitting 115 on I-5 late at night, scaring the crap out of my girlfriend on some twisty roads in the Santa Cruz mountains.

/Also going to the store with my roommate and a friend.  Roommate volunteered to ride in the cargo area.  Halfway home, friend turns to me and says "You know, it probably looks bad to have 2 white guys in a car with a black guy stuffed in the trunk"
 
2013-02-12 11:11:27 PM
I like it. Here's what a sneaky old man with money did to an RX7.
 
2013-02-12 11:12:50 PM
Mazdas have smiley faces on the front. They may be the only cars more wussy than a VW Beetle and that comes with a flower ffs. Why not just mod a 8 year olds Barbie convertible?
 
2013-02-12 11:16:25 PM
Hopefully that kid hasn't spent $13k on that. And hopefully he learns how to properly wire and build a car. From the looks of it he'll have wiring problems before long and a cobbled together car usually comes apart. I like rough looking "thrown together" cars most of the time. The trick is building a proper car and just not making the outside pretty.

And, old school v8's might have trouble lasting at high rpm. The newer ones will run to 7,000 or more with little problems. Heck, NASCAR is limited on rpm now. They were running over 10k rpm with a pushrod two valve engine.
 
2013-02-12 11:24:42 PM

NBSV: And, old school v8's might have trouble lasting at high rpm. The newer ones will run to 7,000 or more with little problems.


Solid "it depends".  It's a common failure mode in the Corvette/CTS-V/etc community (including LS1-swapped FD RX-7s) to be at a track day and suddenly the engine turns into a mass of scrap metal.  I'm unsure what fails first, but the end result is a piston converted into oil pan granola, a broken cylinder liner (sometimes just the top chipped out like what happens in a Boxster/911 engine, sometimes broken through to coolant, sometimes the rod reaches for the outside world and succeeds), and broken valve leading to debris distributed to the rest of the engine via intake manifold.

There's also a common problem with timing chains braking on track-used engines, which is also something that leads to unpleasantness although not nearly as severe.  May be related to valve float, which could also lead to problem A.
 
2013-02-12 11:50:04 PM
My first car was an 83 RX7.  It had a huge sunroof compared to most cars of that era.  Fun to drive on curvy roads.  Not a lot of power, though.  I remember having to turn the AC off when going uphill in the Appalachians.  I suspect modern vehicle ACs are a lot more efficient though it's hard to tell since even tinyass little commuters have 150+ HP these days.
 
2013-02-12 11:53:11 PM
 
2013-02-13 12:00:52 AM
Whomever is narrating that video is trying WAY too hard to be Jeremy Clarkson without the accent and failing miserably.
 
2013-02-13 12:07:25 AM
Gearbox needs to release a patch to Borderlands/Borderlands 2 so you can spawn this bad-boy at Scooter's "Catch-A-Ride" stations.  It would be a perfect fit.
 
2013-02-13 12:24:14 AM
This looks interesting.
*watching*
Pedobear. heh
*moments later*
A "That's What She Said" sticker?
*throws bowl of cereal at monitor*
 
2013-02-13 12:33:07 AM
http://www.youtube.com/watch?v=96Hv_jRQMv8

This kid did a damned good job, but this guy ('s check book) captured it so much better. The ultimate FU car. It would be the greatest daily driver you could ever want.
 
2013-02-13 12:36:36 AM

Feral_and_Preposterous: ekdikeo4: A friend of mine in high school had exactly that car.  Back in 1992.

Exactly?


well, ok, not the exact same car.  But, a 79 RX7 with a V8 in it.  It was pretty fun to step on the gas, but there was way too much power there for the rest of the car to handle without fighting with it tooth and nail
 
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