2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Is it Possible to for a 13b without turbo, supercharger or bridgeport to do 160mph??

Old May 21, 2010 | 08:35 PM
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Is it Possible to for a 13b without turbo, supercharger or bridgeport to do 160mph??

My dream is to reach the end of my speedometer, and that's 160mph, just thought I would throw this question out there.
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Old May 21, 2010 | 08:41 PM
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Yes.
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Old May 21, 2010 | 08:53 PM
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RTR, haha, you gotta give me some hints bro! are we talking a fat porting job, and straight pipe exhaust along with performance intake, maybe a light weight flywheel?? or is there something else??
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Old May 21, 2010 | 09:10 PM
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Naws
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Old May 21, 2010 | 09:13 PM
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(
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Old May 21, 2010 | 09:23 PM
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don't worry about me killin myself, but i understand your responsible approach. 40 more miles per hour wont be anything too hard, i've youtube vids of 120, driving straight is driving straight my friend haha
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Old May 21, 2010 | 10:17 PM
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anyone knows how much more power a bridge port adds to an 88 NA? assuming racing beat full exhaust and cold air intake?
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Old May 21, 2010 | 10:47 PM
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Originally Posted by hashman626
driving straight is driving straight my friend haha
http://www.youtube.com/watch?v=ORh0xJV0y00

He was driving strait, didn't workout so well for him now did it.
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Old May 21, 2010 | 11:11 PM
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i'll take my chances, but i think there is a diff between 160 and 210 haha
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Old May 22, 2010 | 12:31 AM
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yah its possible but the first thing you need is a long *** straight away like the salt flats and not on a public road cuz that ***** just stupid
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Old May 22, 2010 | 12:42 AM
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Yeah man, a bridge will do with a nice shot of nos probably. Maybe even a good PP might do the trick.

And yeah, there are some MAJOR differences aerodynamically betweent 160 mph and 210 mph. The increase is exponential.
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Old May 22, 2010 | 01:28 AM
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lots and lots of downforce.
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Old May 22, 2010 | 03:47 AM
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Turn the 6pi into a large 4 port. Or go P-Port. I would want an aftermarket engine management system and a dyno though. You would most definitely need over 200hp and of course you would want the car lowered... I have only done around 125mph... And that was on a tired stock engine and stock suspension. 160mph is a tall order for an N/A car but it could be done. It just takes time, $$$, horsepower, a relatively safe place to do it, and some common aerodynamics (something that is almost already taken care of for you with the FC). If you plan on doing it on the streets, please make sure you are ready for the possible outcomes... Better yet, just don't even do it on the streets.

(P.S. front and rear splitters/diffusers/whatever you want to call 'em might help...)
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Old May 22, 2010 | 12:15 PM
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I went 149mph in my n/a took to long.

Just throw a turbo on there, it'll help. (Get there quicker)
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Old May 22, 2010 | 12:32 PM
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160 mph aint no walk in the park. My old 88 turbo II with 3" turbo back exhaust (and pretty much otherwise stock) did 148mph before it was maxed out. Anyways, don't do it, there is not much excitement to be gained when considering the risks your taking, may as well go autocrossing and have a lot more fun and what do you know, you'll be a lot safer doing so (hopefully
.
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Old May 22, 2010 | 12:46 PM
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my 87 tii pegged the speedometer (160mph) and then some with nothing more than an intake and gutted cat. massive boost creep and very cold ambient temps. Even though I did it in a dry lake bed, in hindsight, I was young and stupid (8 years ago?).

1) Probably not as much of a thrill as you think it will be. It'll take a long time to get to speed and there's nothing to feel when accelerating so slowly.
2) Need a massive space to do it safely
3) Even if using a massive area, you probably wont have the proper safety personnel present (EMTs, fire, etc)
4) Its an rx7, take it for some twisty's. You'll be much more satisfied.

Originally Posted by hashman626
don't worry about me killin myself, but i understand your responsible approach. 40 more miles per hour wont be anything too hard, i've youtube vids of 120, driving straight is driving straight my friend haha
Originally Posted by hashman626
i'll take my chances, but i think there is a diff between 160 and 210 haha

40mph diff? 50mph diff?
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Old May 22, 2010 | 02:19 PM
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Originally Posted by -Crash-
http://www.youtube.com/watch?v=ORh0xJV0y00

He was driving strait, didn't workout so well for him now did it.
Actually, I'd say that went relatively well.
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Old May 22, 2010 | 02:25 PM
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To the OP what speed are your tires rated to? That should be your first question, at least to yourself. Don't kill yourself!
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Old May 22, 2010 | 02:53 PM
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ls1? jk jk jk

honestly, safety first. but i dont think you can do it on a 13b, even with 13b-re block with rx-8 rotors. maybe if you had naws, but you would need either a huge 125 shot, or like 4 20 pound bottles to hold a 50shot for a long time, don't forget the bottle warmers.
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Old May 22, 2010 | 03:21 PM
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this is off topic but can you fit a 93+ rx7 engine into a 2nd gen?? rx7store.net has a 93+ with a fat turbo on it, race ported, for like 3 grand, maybe 4 after every little thing but that would the job!!
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Old May 22, 2010 | 03:34 PM
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The FAQ thread has all the answers you need
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Old May 22, 2010 | 03:39 PM
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Originally Posted by jon0886
my 87 tii pegged the speedometer (160mph) and then some with nothing more than an intake and gutted cat.
The stock speedometer is horribly inaccurate over speeds of 75. Just sayin.





And to the OP:
Just put the 7 on a cargo plane.
Done.
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Old May 22, 2010 | 04:03 PM
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There's no f*cking way a stock block NA FC will hit 160 MPH actual speed. You might get it indicated if you put 13" tires on it or change differential/speedo gear until it's 30% off.

There's simply too much air resistance and not enough power. If you had maybe 300 HP it would be possible.
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Old May 22, 2010 | 10:25 PM
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@MaczPayne, i went to FAQ and searched "swap" and got nothing, i know people will get mad if i post a thread titled "is it possible to put a 93+ 2 rotor in a 2nd gen" so yea haha
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Old May 22, 2010 | 11:09 PM
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https://www.rx7club.com/showthread.p...55#post5131155

5th post about half way down.


And for the original question, as others have said, I think it will take a lot of time and money and will definitely not be as cool as you think it will be. There are much better ways to invest your time and money into your car.
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