Mazda RX7 VS. GST Eclipse

[dsm girl]

I was out tonight with my friends and we went out to the races and a Integra RSX was racing a RX7 and the RX7 lost by like 1/2 a car. I was out that night with my friends car a 97 GST with an intake, tunabe exhaust, and uper intercooler piping, any how I challenged the RSX and beat it by a car length and he took of earlier than me and jumpt ahead by 1/2 a car but I caught up and beat him. Everyone thouht I was squeezing because A month before the RX7 had beat the GST a car length and a 1/2 because the car had a boost leak but any how they challenged us for next week and I am trying to convince my friend to install my turbo xs dual stage boost controller on his car and also the 2.5 inch race cat. I am thinking of running 16 psi on the higher boost and stock boost in low boost, but I want to know how much boost would be safe to run with the mods i mentioned. We can run him withought the boost controler and I am almost sure I can beat him but just incase they do somthing to their car because they want to bet 100 dollars and we agreed, because I doubt they will do anything to their car. The funny thing is nobody thought an eclipse could be fast, they just got mad and really fast acused me of usin nos and by the way the GST has a type s blow off valve.

 

[13secGST]

Originally posted by 99MustangGt
all 3rd gen rx7's are 13b tt's.. they run about a 13.1 at 107 stock, the car can run 10's on the stock stts setup(sequential twins) so good luck...woooohooo my first post...and just bc its auto doent mean jack..he/she will be more consistant and if you are manual then you have to do the good shifting.....oh yea that 13.1 stock is underratted

where did you find your info?

1993 Mazda RX-7 5.5 14.0
1993 Mazda RX-7 R1 5.3 13.9
1994 Mazda RX-7 5.3 14.0
1994 Mazda RX-7 Touring 6.0 14.5
1995 Mazda RX-7 R2 5.3 14.1

really I've never seen that before where did you seen 13.1? I'm not saying it can't be done with a good driver and maybe some bpu's but I've never seen a stock rx7 that ran 13.1 maybe I'm just not looking hard enough

 

[99MustangGt]

i live 10 min from atco racway and a guy around the corner owns it...bone stock 13.1 at 107 and he sure isnt john force..ill see if i can find some info on the net about their stock times...but 14's ..depends on who did the testing...like road and track rated the 03 cobra at 13.4 but evan smith ran a 12.4 in it bone stock

 

[99MustangGt]

but thats a manual.......

 

[BD1]

Never heard of an Integra RSX heh

 

[1g dsm]

Originally posted by Bd1000Eclipse

what?

you're telling me a supra that is automatic will lose to a stick civic off the line.. come on.. automatics can launch too.. rev it up, slam it into gear..

are you retarded thats how you break transmissions.

 

[Bd1000Eclipse]

Originally posted by 1g dsm


are you retarded thats how you break transmissions.

no actually i'm not retarted shit head.. i didn't say it was the right thing to do i just said a lot of automatics do that.. i have never and never will own an automatic so i dont know the "correct" way.. u auto?, maybe tell us?..

 

[AWD]

I think we are forgetting one thing.

A RX-7 is rotary. Toqure is acceleration, rotarys have little toqure down low and auto he cannot lauch at a high rpms because he'll breaks his tires loose and spin or bog his motor. But that is what I had to do in my old camaro, due to nothing below 2000 rpm. But get a good launch girl or else you'll get beat hard. Try and find some stickys. That'll help you alot more than two lbs of boost.

 

[out there]

WOW, i wasn't aware that ALL 3rd gen rx7's were/are turbo... i've learned another semi-useless tidbit of knowledge. maybe it was having some problems with boost? maybe a huge boost leak, damaged wastegate, any number of problems could result in funky performance like that

 

[RuBiCaNT5X]

Originally posted by Bd1000Eclipse


no actually i'm not retarted shit head.. i didn't say it was the right thing to do i just said a lot of automatics do that.. i have never and never will own an automatic so i dont know the "correct" way.. u auto?, maybe tell us?..

Torque brake... Put the car in drive, rev the gas with the brake on and let it loose at go. Best part is, you'll have 1/2 - 3/4 boost (depending on setup) before you move. Don't hate on the auto's....

 

[bluesnow]

you ever so the upgrade motor they made for those cars. Normal cars have 2 rotors but they make 3 rotor motors. they put those 3 rotor motors in airplanes its kind of crazy.

 

[99MustangGt]

Originally posted by bluesnow
you ever so the upgrade motor they made for those cars. Normal cars have 2 rotors but they make 3 rotor motors. they put those 3 rotor motors in airplanes its kind of crazy.

i dont know what you are trying to say but
13b=2 rotors
20b=3 rotors
26b=4 rotors
yes they make a 4 rotor

i think the 12a's and b's may be the single rotors, not sure

93-95 rx7(which we are talking about) is a 13b 2 rotor tt, a 20b stap can be done but cost a butt load and is really not worth it since you can get a rebuilt 13b with a street port and 3 mm apex seals for cheaper

 

[13secGST]

Yeh I know...14's is way slow for a RX7 and I don't use that site as a god or anything...but it is close to stock times on our cars. At least for the average driver, and if this RX7 truely lost to an RSX-S then he is a shity driver because a bpu RSX-S will basically run mid-low 14's

I surprised a mustang guy knows so much about Rx7's a imports...i respect that, your not one of those v8s are better than anything guys.

 

[TommyTheCat]

By the time you've used the 20,000 for the 20b swap you can't compare it to a redone 13btt. Only a little(in comparison) to get much more hp.

And 3mm apex seals are known to be not worth it. Please don't go around saying it's such a mentionable upgrade as compared to a street port.

 

[switch]

ok first things first.......my friend ELY owns a 94 5SPD RX7 With only a full 3 inch exhaust and a RE amemya filter......the car had some boost problems due to bad vac hoses anyway he raced my other friends b20 vtec civic a got whooped the we Fixed the vaccum hoses and he put like 20 cars on the civic next day we went to the highway races we raced a couple of C5s and beat them by a car raced a ws6 and beat him by 3 cars raced two 600CC bikes from 100mph to 167 mph and only got them on top end after he shifted into 5th and got whoope by a Z06 by 1 car and 1/2... so i dont think your friend is going to beat that rx7...well maybe if its a really bad driver

 

[vertGST]

just like previously posted in this thread, it might be a scam. so i wouldn't race for money. you never know. thats the first thing i thought about when i read the first couple of posts on this thread.

Brendon

 

[99MustangGt]

Originally posted by TommyTheCat
By the time you've used the 20,000 for the 20b swap you can't compare it to a redone 13btt. Only a little(in comparison) to get much more hp.

And 3mm apex seals are known to be not worth it. Please don't go around saying it's such a mentionable upgrade as compared to a street port.

i would take better apex seals over a street port anyday and with out the apex seals the street port is kinda useless. one of the many down falls of the 13b is the fact that the exhuast mixture and intake charge mix bc of a crappy seal between the peanut(nick name for the chamber the rotor is in) and the rotor. this leads to a crappy idle and poor fuel econ. mazda claims to have this fixed this for the renesis(the rx8 engine) by moving the intake and exhuast ports farther apart in the peanut. they also added a second spark plug to get a better burn up all that extra fuel

 

[Desi4Life]

Well you all, I can finally intervine and put an end to this scuffle for I am a rotor head. I have an 87TII but have worked on many 13BREW motors. You CAN beat the RX7 if you drive better however, under identical situations, the 3rd gen rx7 will womp on the eclipse with the present set-up and remember, just as easy as you can turn-up your boost, so can the rx7. BTW, if you do race make sure that you shut-down after 55 mph because that is when the rx7 comes alive.
3rd gens are notorious for overheating problems due to the location of the intercooler behind the radiator but regardless, they are balls out fast. The car weights-in at under 3000 pounds and peaks-out at 255hp. Also, rotory motors are VERY high revving. I rev my rx7 to around 8000rpm when I lauch at the track (DON'T FLAME, ITS TRUE).
Just because it is auto does not mean you can automatically beat it. If you look at different specs, auto 3rd gen rx7s have a better 60 time than manual. The auto will bite quicker and then just GO.
So go race, make sure you aren't getting set-up and drive very WELL.

Desi

 

[midnght]

These are all valid statements. Everyone here sounds to be telling allthey know. I would say yes to the race but not for ANY money. As stated above, he can turn his boost the sane as you. Better luck putting that 16g in and then going for it. Stock for stock they are superior cars, maybe not drivers, but cars YES.

Race him and make him feel stupid for the race. But once money is mentioned after a defeat then something is ALWAYS up. Think of all the movies out there you have seen where people get hussled back and forth (White Men Can't Jump comes to mind).

Good Luck.

 

[TommyTheCat]

sorry mustanggt. But a streetport can net more, less-harmful hp than just adding 3mm. 2mm seals work up to a fine amount of power in a rotary. The 3mm's add more rotating mass to the rotor, create more friction, and only take less tuning to use. If you don't care about your 13b, you can just add 3mm's and up the boost. But with the right tuning you can use 2mm for all time. Why has mazda stop installing 3mm's since '85? Why do most japanese rx7 racers use 2mm's? Because they work.

And in the Renesis, they actually moved the exhaust ports to the side housing, thus killing most of any overlap the car had.

 

[TommyTheCat]

Oh, and I've never heard one rotary enthusiast call it a freaking "peanut". It's a damn rotor housing.

 

[Desi4Life]

3mm seals are designed more so for the extreme racer. You have to understand that these motors can handle T76 and T88 turbos if built properly 2mm seals are very versatile and are used by most street enthusiasts however, when it comes to the extreme racing level (ie sub 9 second cars) people tend to lean towards the 3mm because of there extra durability. Ari Yallon's 9 sec 3rd gen RX7 sports 3mm seals. To install the 3mm seals, you actually have to grind the rotor itself to make them fit. This job can only be done by a few experts that is why it is rare to find 3mm seals on the street.

Desi

 

[2GeNTSi]

yeah as mustanggt sait...all 3rd gen rx7s are twin turbo

 

[Mo-Bo0st]

Originally posted by 99MustangGt
all 3rd gen rx7's are 13b tt's.. they run about a 13.1 at 107 stock, the car can run 10's on the stock stts setup(sequential twins) so good luck...woooohooo my first post...and just bc its auto doent mean jack..he/she will be more consistant and if you are manual then you have to do the good shifting.....oh yea that 13.1 stock is underratted

this is the dumbest thing i have ever heard. first of all rx-7's were like low 14 second cars bones stock (assuming you can drive the hell out of one). So how your neighbor pulled a whole second out of his ass is beyond me, 13.1 and 14.1 sound an awfull lot alike to someone not paying real close attention to the coversation being had.

Second i have a friend who owns a 93 w/ 30,000 miles. That thing doesnt even feel like it pulls all that hard on the freeway. I dont understand why you guys all think this will be such a feat to beat this car. Assuming this isnt a scam, and you are a better driver, i would say you have a pretty good chance.

 

[EclipseValhalla]

Race him for the $100 and if you lose follow him home and then steal something that is worth $100 of his. HA HA HA!!!

 

[2GeNTSi]

I often see racing videos between Skylines and NSX etc. I just dl one of a Skyline, 3000gt, NSX-R running 12's. I believe I saw a RX7 run low 13's in one of those videos.