Mazda RX7 FC with 20B Rotary open intake powerful !

[skvakagud]

Pffh, a sound of a rotary is way more epic than dubstep. <- And I like certain dubstep pieces so not cus im a hater. It's just way beyond that. Specially given how mainstream and easy to make most dubstep is.. A rotary is.. Like a rotary. Now that's one kick ass comparison..

[toplessrider91]

This is the wet dream I have for my 89 S5 FC....

[Ilovesa22c]

FC with a 20B peripheral port AND pink floyd. pretty dope vid dude.

[55bobito]

I cant wait til my 20b is done

[Mr671yigo]

@cobrachoppergirl its not a daily drive car , so the air filter does not matter.

[Projekt07]

if the sound of a rotor engine could be labelled a music genre, it would be dubstep...

[trexeater101]

@Projekt07 wow thats the best comment ive ever seen

[11alexx22]

Thats a brutal fucking idle!!

[andrew1501]

@SlidewayzzS13 looks like a 3 rotor setup. ...whoever thought there was a turbo is retarded. the manifold alone tells you that lol

[andrew1501]

@cobrachoppergirl you run it this way on the dyno or for short distances. There are covers for the ports to run on the road. but from what i can tell this is a track car.

[234167]

@cobrachoppergirl do you think it would drive behind a car?or on a dusty road??this is a drag car

[X3lfl3X]

beautiful.

[JustLuxurious]

is this bridge ported?

[yurmomsbuddy]

@JustLuxurious no, its peripheral port.

[iFlex69]

i don't know but the idle sorta sounds like the bass of a hardstyle song...

[musclekid13]

@SlidewayzzS13 Usually you would put a filter over an ITB system, shame on this person for not ahah.

[guevodeplomo]

i still cant believe dudes would much rather stick a big ol v8 in an rx7

i prefer a 20b

[mattheep12]

@cobrachoppergirl its in a garage.......... obviosly put filters in before driving down a dusty leaf bug filled rat run.

[az112a]

@cobrachoppergirl to suck the rat in means that you revv the ever loving shit out of it right as you are starting it. which could be no better for it than sucking a bug into it occasionally

[Pigioto1]

@cobrachoppergirl lmao I actually pictured the stupid rat getting sucked in! xD

well, usually, any car that has ITBs is an all motor race car. Not to many people put ITBs on street cars. Hope this helps

[Noisebomb55]

wtf real slow take off lol

[iamxeddiex]

I love this n/a beast!

[donaircooleone]

nice, pink floyd :D

[slicktrx]

JUST PLANT IT!

[Brendon00000]

Hyperdrachen, yes without filters any objects that go in like rocks, bees, or leafs will destroy the engine, yes filters should be used, but this 20b is non turbo, those are ITB's, which require removal of the turbo because air isnt forced in, it is given a free flow, which ITB's are they and what exhaust manifold was used

[hyperdrachen]

er hey something I don't understand on these setups? Isnt it a problem that the air is unfiltered?

[Warblade118]

Sounds weird. Not really in a good way…

A N/A rotary, don’t they make like 150HP at the most and it takes crazy rpm?

[wheyez]

@Warblade118 Sounds awesome! (possibly an aquired taste)

That wound be making close to 300rwkw (~500hp)!

Slide throttle injected 20B PP, thats a pretty serious bit gear, wish they had given it a decent rev though!

[Warblade118]

@wheyez Uh…okay, 500HP NA? Believe it when I see it. All I see here is a rotary with ITB. Kinda underwhelming…

[wheyez]

@Warblade118 You've obviously never been for a ride in one then! 500HP NA 2L Rotary, yep you'd better believe it! Do a little research on it, check some more vids etc...

My best mate & my cousin both have PP (peripheral port) 13B's one 55mm IDA, the other throttle body injected, one makes 190rwkw, the other 220rwkw and thats from a 1.3L N/A! Just to further prove the potential of a rotary NA, the 787B le-mans car made about 800HP (with a restrictor) and that was an NA 2.6L quad rotor! :)

[Warblade118]

@wheyez (I was talking about THIS car,the only thing I see and hear in THIS video is intake pulsations, but thats not important now)

I‘ve been in a few rotary powered cars. Not impressed. But I’ve also been in plenty of Big Block powered cars, so I’m a little hard to impress. “500HP from 2L rotary.” Tell me something, how is a rotary engine’s displacement determinate relative to a 4 stroke piston engine? I guarantee you, for the purpose of comparing HP/L, the relationship is not what you think.

[wheyez]

@Warblade118 agreed, the vid of THIS car is kinda lame, could have been awesome if he give it some!

However i love rotaries, the sound, the revs, the power delivery...... each to his own i guess!

As for the displacement, the actual displacement on each rotor is 654cc (13B, 13G, 20B, 26B). But, according to FIA rules, the technical displacement is 1.8 times greater! (so still pretty impressive)

[Warblade118]

@wheyez To be very clear, I respect the fact that you like rotary engines. However, what I do get tired of is people mischaracterizing the abilities of the engine. (I’m not saying that’s what your doing.) I do feel that rotary has gotten an underserved reputation for tiny displacement and huge output. And here is were we may disagree. This is how I see the relationship between rotary and piston engines:

[Warblade118]

@wheyez Consider this:

I’ll use the 1.3L 2 rotor as an example .65L + .65L. For every rotation of the e-shaft, there are 2 power impulse totaling 1.3L. If I were to compare this to a 2.6L 4cly, I would get the same, 2 impulse/rev, .65L each. A 4 stroke only uses half its displacement/revolution to actually produce power. If you compare the output of a 1.3L rotary, to a 2.6L 4cly, you’d find them about the same. This is why I’m unimpressed with the output of rotary.

[Warblade118]

@wheyez You surprise me. I thought you being such a rotary buff you’d be beyond that basic misconception. The e-shaft turns 3 times to the rotor’s 1. So, on a 1 rotor engine, for every rotation of the e-shaft, you get one 1 power impulse (stroke is the wrong word, but that’s irrelevant) (and 1 int and 1 exh event) on a 2 rotor engine you get 2 impulses and so on.

[Warblade118]

@wheyez Also, I’m sorry, but your wrong about the total displacement of all three faces/rotor being .65L. it’s the displacement of each individual rotor chamber. If what you say is true, each rotor chamber would displace only .21L. That’s smaller than a average sized lawnmower engine. The external dimensions of a rotary engine are far to large to displace such a tiny volume.

[Warblade118]

@wheyez If you don’t believe me about the displacement or 3:1 thing, check out: “watch?v=OuId4nuxXaM&feature=r­elated” titled “Rotary Engine Rotational Demonstration” you can also go to my page, its in my favorite’s list. Here he explains the 3:1 relationship, and you can also see the displacement of 1 rotor face is much closer to .65L. Hope that helps!

[wheyez]

@Warblade118 Yeah your right about the 3 revolutions, not sure why i thought tw, and had the ratio backwards, just went and looked at all my rotor stuff and yeah its 3:1. strokes impulses meh same thing...

Im actually a Nissan man myself, but really like rotors!

[midnightslyr22]

yea thats N/A

[sk8tildeath91]

like to see a mustang idle like that.

[maluchman1]

@cobrachoppergirl in the vid that is a drag car proboly not used for the street, and if it was used for the street, they put on air filters.

[irvmug]

the idle is siiiiiiiiiiiiick

[JefFreezePerformance]

All engines are aspirated. N/A doesn't mean "NOT Aspirated", it means "NATURALLY Aspirated", meaning no forced induction. Not sure why everyone is saying N/A vs Aspirated. I'm sure you mean N/A vs turbo.

[FUGGINGMAD]

@cobrachoppergirl I'd say they'd run socks on them

[iamxeddiex]

N/A!

[Gleban09]

good point but cars like that dont drive on dusty roads or kept in places infested with rats! its purely for show or an occasional drive. yes ig u remove the filter of ur daily driven car it would cause damage to ur engine.

[TheTwisty92]

Hmm turbo not

[SUPRAHOLIC101]

omg are you dumb.

A naturally-aspirated engine or normally-aspirated engine (or "N/A" - aspiration meaning breathing) refers to an internal combustion engine (normally petrol or diesel powered) that is neither turbocharged nor supercharged.

[SUPRAHOLIC101]

if you knew anything about n/a and aspirated they sound way diffrent

[SUPRAHOLIC101]

N/A means natuarly aspirated thats when theres no forced induction and when you have say a turbo its called aspirated uhh durrrr so might wanna freshin up on ur stuff there champ

[elmnt4lfe127]

every engine is "aspirated," not only boosted ones.

"uhh durrrr so might wanna freshin up on ur stuff there champ"

[081588101]

thats what i also thought first.

but u have to remember that this is a rotary.

maybe the turbo is placed somewhere behind that open intake plenum...im just not familiar enough with rotary engines!

[SlidewayzzS13]

@081588101 There's no way for the boost to get in to the throttles without piping lol

[SUPRAHOLIC101]

N/A Rotorys sounds way nicer in my opinion than aspirated

[Racr4Lyfe]

Do you know what N/A stands for? If you do, you'd realize that what you just said makes no sense.

[TrojanSlug]

Mereces 1 Panda no eres merecedor de ese coche!!!!!

[mxmang]

haha ya

[supersevenn]

There is nothing like the idle of a hot rotary or a 935 turbo

[WaZa992]

HP?

[medoseedo11]

Thats all motor.

[ae86T450HHP]

k i got a 13BT 210km/s on it 5speed 2nd gen PULLS GREAT NEVER A REBUILD! you just have to know how to take care these motors complete stock!! daily driven accept winters amazing car!!

[sedaso8]

99% of the carS are PiSton Ok 1% is RoTaRy POWER Look like 200% Le Mans 91 after that they in streesssss

[liveguns]

NICE, but buddy, why didn't you rev the rpms for us? i mean after all your video taping it, and you took the time to throw it up on the internetz. =/

[L3g4cyTT]

Too many people think Rotaries need rebuilt every 5 minutes, which simply isnt the case, A well built well maintainted rotary will last just fine.

[woodyate]

thats a loud little bugger my mom made me get off computer because she thought someone was in the driveway

[Z32spdstr]

damn that sounds vicious the hell with a v8 lol j/p i still like this engine too bad the seals go bad in them thus dont last long sighs

[LordJesseD]

A well made rotary won't go bad any sooner than a piston engine.

[Z32spdstr]

i always thought they only last about 80,000 to 100,000 if ur lucky and take care of it well

[LordJesseD]

I did say "well made," not backyard bodge-job, like a lot of today's "performance" cars.

Rotaries are difficult buggers. Well built, they're great, otherwise, they're a nightmare.

[betekvs]

they last much longer than that.

[GeRmAnIaNhAcKeR]

my car had 186k miles on it and an asshole didn't look after it... overheated it and the coolant seals went out... if they had just filled up the damn reservoir it woulda been fine... thing is... it still ran perfectly fine... these engines never die... unfortunately it poured co2 into my radiator so the buzzer(warning you that you're low on coolant) wouldn't stop goin off... even when it's completely full..

[trianglepower]

My '85 13B just hit 276K and is still pulling strong. After I pulled the engine and replaced the entire fuel and air intake system, it's actually running better than it did 5 years ago and is even getting better fuel economy than it used to!

[hotmazda14]

sweet motor. i would love to have one for my FB. although i dont really care for that body kit.

[KennyKenv]

car's got a heart man... luvin it

[rx7vtec]

it is turbo in the other vidds, must of been put on after

[abominableaussieman]

this isnt turbo, silly fool who posted this. its soooo obvious. fukn awesome though

[PAC0TAC0]

retard not turboed

[bosgreene36m3]

sorry bro, but thats what they call a naturally aspirated

[dint500]

it sound nice

[swss12]

man i wanted to see some rubber flyin off the back

[KAZANTIPER2007]

piece of shit!

[jtlovett27]

HOw is this turbo If it has ITBS?????

[Jak3Mac]

Rice...

[darkblaze176]

Sorry dumb shit this is no where near rice!! this is what real tuners can do.

[Jak3Mac]

Im sorry you cant tell rice from JDM....

[darkeyce02]

the guys right, your wrong

[Jak3Mac]

Uber rice...

[darkblaze176]

your a f*&*& idiot if you think that this car is rice. rice is someone who put huge wings unpainted body kits wrighting all over there car this is a very clean RX7 NO RICE added! theres a diff between rice and A TUNER!!

[Jak3Mac]

... rice...

[SpideyFan6010]

I just came.

[Audi2000t]

me 2

[ramoneskickass]

haha for real

my ears are in extacy

[justcallmebad]

do u no that ur actually living MY fantasy?

[drantman]

is that the RB sliding plate throttle design ?

[TotalHalfSchizofren]

awesome 5*