rx-7 vs supra vs 300zx

 
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Old 05-08-05, 07:37 PM
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supra was never a sports car.......or a true sports car. its a gt car, grand touring....... it has a good ride, luxury features, but it also has some sports car in it........... and i love both cars. Thats why i have both
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Old 05-08-05, 08:46 PM
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well the motto is "money talks" and like everything if you want a fast car it will be as fast as your wallet will take it (along with the accompaning skills). right now i am running mid to low 13sec quarter mile with minimal mods (tid, air filter, 3in turbo back, ported exhaust housing and wastegate, safc, mbc, efan 9psi boost) and stock most guys are running like mid to high 14's if they are competent behind the wheel. friday night my friend ran 14.9 first time at the track with his 87 Z turbo with an air filter. thats pretty darn good and i watched a mostly stock mkIII run 15.1 then 14.9 with filter and exhaust so none of these cars are ultra slow from the beginning. i mean find a stock or similarily modded honda or such that can do the same is slim. my h22 95 prelude with intake, exhaust, and centerforce clutch ran a 14.9 @ 97 and that car was damn near untouchable by most n/a hondas on the street, and i raced them all shapes and sizes from ls/vtec hatches, to turbo EK Si's, to 95 integra with 60 shot and even another prelude h22 96 with 60 shot. hell i even beat an old acquatace's stock TII and another friends mostly stock MR2 and now i could walk on it with my TII or my SRT4. Driving skills are the key to a fast car. Now if you are interested in rx7's thats great and i beleive that that is what this thread started out all about, not a whose what is faster. there will always be someone faster. personal taste, uniquesness (why i chose my 7), and support from those around usually dictate your chose in car. so now that i am done ranting and raving, anyone interested in rx7's i will say this, they are a great car but they are not without there quirks. read, learn, ask and keep it in one piece.
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Old 05-08-05, 09:51 PM
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Old 05-08-05, 09:56 PM
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lol too funny my bro has an mk3 supra turbo, my buddy has a 300zx TT and i got an 87 tII. we always battle over **** like this
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Old 05-08-05, 10:37 PM
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come on guys, all are cars come from the same heratige........ kinda......... we don't need to be arguing, we should be out there smoking those domestics that always talk about american muscle and how jap cars are crap and stuff........... why can't we just get along
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Old 05-08-05, 11:00 PM
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JZA70's run 14'sec stock, I have a turbo II also. Rx7's have the upper hand on handling, but the supra will beat Rx7's on a straight run... Rx7's are cheaper and easier to modify but the 1jzgte has more potential to be faster. Too many biaest peeps on here who only know RX7's. Do your homework !!!!!!!
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Old 05-09-05, 12:53 AM
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eh, I have $6000 in my mk3 supra...12.06 at 112mph 1.62 60' on DR's...12.67 at 110 on street tires.

rebuilt the 7m, made a t4 manifold, put on a garrett to4e, HKS 50mm wastegate with an 11.3psi spring, 4" off the turbo down to 3.5" exhaust where the cat should be, open dump tube for the WG...in the intake department I went with a K&N cone, lexus v8 afm, custom bar & plate FMIC, made a front facing intake manifold and 2.75" aluminum IC pipes, and put on a turboxs RFL bov. Fuel consists of greddy 680cc injectors, walbro 255lph fuel pump, aeromotive AFPR, SAFC2. suspension mods are bilstein struts, eibach springs, lipp traction bars, suspension techniques sway bars, polyurethane bushings. built r154 5-spd tranny, spec stage 5 clutch, aluminum driveshaft, fidanza flywheel...

fabricated the manifolds and IC pipes etc myself...no reason to pay someone else to do it. I'm having someone tig weld together an 8 point moly cage right now so I can put in the 18.75psi wastegate spring and get in the 11's.

I know my car would get owned by an rx7 in the twisties, however my car is not made for that. It was a luxurious tank, now stripped of its amenities and comforts(well...it still has carpet and a dash...and a cup holder), built for straight line acceleration and nothing else. What's the point of this pissing contest? I kill you in drag, and in return you'll kill me through the turns on the way home from the strip.
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Old 05-09-05, 01:27 AM
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Originally Posted by Tessai
I raced an 80's turbo Supra in my N/A with just exhaust and a cone filter. Exhaust = header, presilencer, dual ebay fartcannons . He got a slight jump at the start as he hit the gas before I downshifted, but I began to pull on him near the top of 2nd gear - we let off around 65mph, as it was just a friendly thing. He also had a passenger. Still, for him to be boosted, it was quite redeeming for me.

BTW, the "pulling" was very slight - at the beginning I was about at the rear of his door, and by the end I was at his front fender, so it was more even than anything. I can't wait for boost! .
Either your friend cant drive, his motor is almost gone(low comp), his turbo is gone, or he just doesnt know how to drive.. An n/a rx7 with exhaust and cone filter, will never touch an n/a supra, neverless a turbo one...

Originally Posted by Its NA I swear
eh, I have $6000 in my mk3 supra...12.06 at 112mph 1.62 60' on DR's...12.67 at 110 on street tires. know my car would get owned by an rx7 in the twisties, however my car is not made for that. built for straight line acceleration and nothing else. What's the point of this pissing contest? I kill you in drag, and in return you'll kill me through the turns on the way home from the strip.
I see civics running 12's there are plenty of n/a and turbo Rx7's running 12's. If you want to kill me or someothers in drag, try to hit lower than 12's. **** it takes about 300-350 for an rx7 to hit 11-12's. Thats easily done.
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Old 05-09-05, 02:12 AM
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This is a great debate. Here is my list and my thoughts on some cool 80s turbo cars.

RX7turboII: I own an 88 and for a couple hundred bucks it will run in the mid to high 13.s

Supra turbo: Heavy I have never been in one but I don't see many fast ones.
300ZX turbo : Stock turbo is way too small
280Z turbo : It is a bit older but they run very strong. My friend has one and even bone stock it felt like a low 15 second car. Should be easy to make big power.
Conquest TSI/Starion: Heavy injection system sucks big time looks cool
Mustang SVO : Super cheap to get into the mid 13.s handle very well good breaks not too heavy.
Merkur XR4TI : Same motor as svo minus the intercooler independant rear light weight mods the same as the SVO.
944 turbo : Good all around cars the turboS would blow the doors off anything on this list stock for stock$$$.
924 turbo: My brother has one and it runs in the mid 16.s stock but it handles awsome even on the stock 15" rims with 205-60s
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Old 05-09-05, 02:49 AM
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low 12's on pump gas and low boost.... still on stock bottom end and head. 6K includes 4000 for the car and rebuild. I'll give you a much better time after the roll cage and new wastegate spring are in.

mk3's can run 13.5's with a dollar's worth of washers to shim the internal wastegate, intake, and exhaust...what's your point?

I know there are quick 2nd gen rexes, however I have not come across a single 2nd gen that could pull on me drag racing. I'm sure you don't come across quick mark 3 supras often.

rx7: Looks badass. out handles the crap out of my car.

mk3 supra turbo: heavy, runs rich stock, gets richer with intake+exhaust...aftermarket is very expensive. not many sub 13s ones in wisconsin. fastest 7m powered mk3 runs 10.66, and very few bother with road racing. body roll, oversteer...suspension needs a lot of work.

300zx turbo: economy turbo...kinda like the 1g eclipse turbo! my girlfriend's brother has one. his suspension seems worse than the supra, but it could just be worn from all the years of abuse.

Last edited by Its NA I swear; 05-09-05 at 02:52 AM. Reason: my spelling sucks.
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Old 05-09-05, 03:23 AM
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damn guys stop cross posting among other forums, rx7's and supra's have their good and weak sides, i say they are both late 80's and eairly 90's classic cars in my opinion. any how, supraforums.com holla JDM KING!!! i lurk every forum, and registerd awhile back!!
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Old 05-09-05, 04:01 AM
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For the 6K that you put into your car a RX-7 would own you at drag racing and also road racing.. I have about 7K into my car, and after a turbo and FMIC upgrade, I Should be in the 11s.. My car weighs less than 2600lbs, and I'm shooting for 400WHP. About 2K of that 7 have been in a body kit and paint since my car is attracted to poles.
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Old 05-09-05, 11:21 AM
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Originally Posted by HoangRx-7
do you know what a jza70 is? all i have to say is, i own both and the supra would smoke the turboII in drag. rx7 has much better handling though, the supra is not a "sports car" its more of a gt car and they are not in the same class. the supra has alot more luxury options compared to a 7....... and its a big brick on wheels..... but the jza70's are still fast. stock for stock a jza70 would smoke a turboII in drag, and the turboII would outhandle a jza70........ IMO
Dude, do you know what you're talking about either?
JZA70 does not automatically means it's a 1JZ...
Obviously you know what a 2.5GT is - do you know what a 3.0GT?
Besides, last time I checked, the 1JZ was not brought into the U.S.
I think it's safe to say that geocentrically, the discussion is based on U.S. vehicles, so throw all that JDM **** away.

3200 lbs / 280ps = 11.4 (lightweight Supra)
3600 lbs / 280ps = 12.9 (heavyweight Supra)
3000 lbs / 200ps = 15 (FC turbo)


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Old 05-09-05, 11:26 AM
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Originally Posted by zoonwen
JZA70's run 14'sec stock, I have a turbo II also. Rx7's have the upper hand on handling, but the supra will beat Rx7's on a straight run... Rx7's are cheaper and easier to modify but the 1jzgte has more potential to be faster. Too many biaest peeps on here who only know RX7's. Do your homework !!!!!!!
Go away troll.


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Old 05-09-05, 11:27 AM
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Originally Posted by ri0tvenom
damn guys stop cross posting among other forums, rx7's and supra's have their good and weak sides, i say they are both late 80's and eairly 90's classic cars in my opinion. any how, supraforums.com holla JDM KING!!! i lurk every forum, and registerd awhile back!!
Go away troll.


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Old 05-09-05, 11:32 AM
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RETED, its ok dont be mad that the 1jz is faster than a Rx7, Its a fact not a theory.

why exclude 1jz's I have one in my supra, and like i said i have an 88 Turbo II also.

Turbo 2 has the better handling
Supra has better top speed and acceleration
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Old 05-09-05, 11:36 AM
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Originally Posted by zoonwen
RETED, its ok dont be mad that the 1jz is faster than a Rx7, Its a fact not a theory.

why exclude 1jz's I have one in my supra, and like i said i have an 88 Turbo II also.

Turbo 2 has the better handling
Supra has better top speed and acceleration
Sorry dude, where I live there is no such thing as a 1JZ Supra.
Metaphysically speaking, how can something be faster than me when it doesn't exist?

Go away.


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Old 05-09-05, 11:38 AM
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I think an FC turbo with 6k will easily make 11s if done right. I bought my 87 for 1k and only have about 1500 in mods(custom t04, fmic , 3 inch exhaust, cai, injectors,pump, safc, rtek). Ill bet with a stand alone and street port rebuild(3k more max) I would easliy be in the 11s no problem.
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Old 05-09-05, 11:41 AM
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dont 80's supras have that nice head gasket problem?
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Old 05-09-05, 11:45 AM
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How hard is it for you to understand that there are people out there like me, who have a 1jzgte in our supra??? I know atleast 5 other people in the dallas area who also have 1jz also.

even though the 1jz was not offered in the supra in the us, its fairly easy to obtain and swap, which i did.
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Old 05-09-05, 11:47 AM
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yeah the 7mgte has head gasket problems, thats why i went with the 1jzgte which is the little brother of the 2jzgte's in the new supras
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Old 05-09-05, 11:48 AM
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umm im pretty sure that completely emilinates this stock to stock comparison...

if we are going to do it like that then lets have a sr20 240 seeing that is "stock" to you and a 20bREW FC seeing that is also stock by your logic and you 1jz mkIII. we are talking about stock motors via US specifications.
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Old 05-09-05, 11:50 AM
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Originally Posted by zoonwen
How hard is it for you to understand that there are people out there like me, who have a 1jzgte in our supra??? I know atleast 5 other people in the dallas area who also have 1jz also.

even though the 1jz was not offered in the supra in the us, its fairly easy to obtain and swap, which i did.
well then if you doing motor swaps thats great. Try comparing it to a 20b swapped 2nd gen rx7.

Last edited by bigturbo; 05-09-05 at 11:59 AM.
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Old 05-09-05, 12:06 PM
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the difference is that 1jz did come in mk3's, same with 240 with sr20's. 20b's only come on 3rd gens not 2nd gens.

I have a cuple friends with black top sr20s , there quicker off the line but 1jz are stronger in the long run.
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Old 05-09-05, 12:29 PM
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Originally Posted by Low Impedance
dont 80's supras have that nice head gasket problem?
you mean the 1986.5-1988 problem that was fixed in about 15 minutes? headbolts were torqued at 59 instead of 72ft-lbs...that was IT. Dealer would fix it for free too.
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