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Why Would Anyone Do a 20B Conversion?!

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Old 11-15-04, 01:06 PM
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Why Would Anyone Do a 20B Conversion?!

In the last thread, someone was talking about getting a 20B for his FD and it would cost well over 35k for it. Now here's my question: WHY!? I love this car as much as the other owner, but is it really worth it? For the price that you are paying, you could get a 911 with fewer miles, fewer problems, and it would be a baseline which you could improve on. Either that or you could get a new M3 and prob. even a supercharger which would make it even faster! Also, it would be around the same in terms of speed, 0-60 and 1/4. It just doesn't make sense to me any more. I've always understood people getting an exhaust or an intake, because you can't just shell out all that money at once for a car, so you improve it a little at a time. However, he's dropping a rediculous amount of money on something that could be imprved by just getting a new car!!!
Old 11-15-04, 01:09 PM
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Simple.....because they can.
Old 11-15-04, 01:09 PM
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Some people have too much money
Old 11-15-04, 01:09 PM
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3 rotors is a rotor heads dream!!
Old 11-15-04, 01:11 PM
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more like 4 rotors
Old 11-15-04, 01:17 PM
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First off. You can build a 3 rotor car for a lot less that 35k.

That aside, it's all about what you want. Some people make dodge omni's fast.
Old 11-15-04, 02:02 PM
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if you think a supercharged M3 is gonna hang with a single turbo 3 rotor, you have to do a little research. I dont even think there is a streetable supercharged M3 that can hang with my single turbo 2 rotor. As for a porsche, make as much power as a 3 rotor with a porsche motor and you arent exactly gonna be reliable. Now if your talking about a stock cosmo 3 rotor with stock twins at stock boost with stock emissions crap, then i see where your coming from. But who is gonna put a bone stock cosmo motor with all the stock **** in their car???
Old 11-15-04, 02:05 PM
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i believe that a single turbo 3 rotor is probably the best bang for the buck mod. Then almost any other mod for any other car. 600+ rwhp isnt exactly an easy thing to come by in a 2800 pound car that you can drive every day.
Old 11-15-04, 02:06 PM
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Simple more power...If I had the money I would do it too..
Old 11-15-04, 02:06 PM
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If you want a 911 to compete with a 20b car, you are defininantly going to need a 911 Turbo. I havent seen a 993 or 996 Turbo for under $70k.

A 911 n/a is about as fast as a stock FD. High 13s in the 1/4 mile. A 20b would blow this away, so would a single turbo 13b.
Old 11-15-04, 02:11 PM
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Originally Posted by Marshall
Simple.....because they can.
nice bmw or porsche > mazda
Old 11-15-04, 02:19 PM
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well 20b conversions up here with single turbo and management, the whole ten yards under 30 000 cnd... lets see u buy another car with that much money hang with it.... and how many porsches u see on the road compared to 3 rotors? its about uniqueness...
Old 11-15-04, 02:19 PM
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why not
Old 11-15-04, 02:20 PM
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Originally Posted by fastcarfreak
if you think a supercharged M3 is gonna hang with a single turbo 3 rotor, you have to do a little research. I dont even think there is a streetable supercharged M3 that can hang with my single turbo 2 rotor. As for a porsche, make as much power as a 3 rotor with a porsche motor and you arent exactly gonna be reliable. Now if your talking about a stock cosmo 3 rotor with stock twins at stock boost with stock emissions crap, then i see where your coming from. But who is gonna put a bone stock cosmo motor with all the stock **** in their car???
$35k is for a stock 3 rotor with the standard twin-turbo cosmo turbos... upgrading it costs more... in the same way, you can upgrade the supercharged m3 with cams, a built engine with more boost...
Old 11-15-04, 02:23 PM
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Originally Posted by Louis M
nice bmw or porsche > mazda
To you.

A nice BMW is chump change for alot of people who can afford 3 rotors. The don't have one because they don't want one, not because they analyze the finacial benefits of each. They do it because its a hobby they like.
Old 11-15-04, 02:25 PM
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Originally Posted by Louis M
nice bmw or porsche > mazda
Why are you here then?
Old 11-15-04, 02:26 PM
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http://www.pettitracing.com/rx7/ --> Click on 'Banzai'

This should answer your question
Old 11-15-04, 02:29 PM
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Originally Posted by RidicilousRx7
well 20b conversions up here with single turbo and management, the whole ten yards under 30 000 cnd... lets see u buy another car with that much money hang with it.... and how many porsches u see on the road compared to 3 rotors? its about uniqueness...
alright, so you're saying for the price (20k (car) + 35k (just 3rotor) + 10k (upgraded) = 65k) there isn't a better car for the price?

BMW M3 (45k) + Built Engine (5k) + Engine Management (+tuning) (3k) + Turbos and Related Parts = Just as fast with a new car
Old 11-15-04, 02:31 PM
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Originally Posted by bricke
Why are you here then?
because a m3 is much more expensive than a ten year old rx-7! isn't that why a lot of us are here! (btw, i had a 94)
Old 11-15-04, 02:41 PM
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You are apparently thinking that most people who do a 20B have others do it for them..wrong. If you pay pettit or someone else to do it, then 2 things have happened.

1) you have proven you don't have the desire to learn technical info and take on a challenge.
2) You are willing to get raped by someone for lots of BS time.

There are subframe kits available for 2K including bumpsteer correction. and NO cutting to the car. Then a 20B is only around 3k or so with stock turbos and ****. Unless again you are willing to get raped by the shop telling you they are 10K

Basically it comes down to they can and they want to.And as others have said, to get a car that will stay with a 20B single you are going to have to spend 100K plus. and then the real question is WHY? And i am talking a "real" sports car, not a drag racing straight liner. That is for camaros throw in handling and the field gets even more narrow.

Last edited by BigIslandSevens; 11-15-04 at 02:43 PM.
Old 11-15-04, 02:57 PM
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LOUIS ur a idiot and u just proved it, WHO THE **** pays 35 000 AMERICAN?!?! for a stock cosmo... when here in canada my friend got a friggin GT42 single turbo with haltech and custom exhuast and everything for under 30 000 cnd which is about 26 USD... and why 20 000 FD?!? 10 000 is fine with a clean body since u dont need the 13b engine.... u my friend are a MORON
Old 11-15-04, 03:06 PM
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Originally Posted by Louis M
alright, so you're saying for the price (20k (car) + 35k (just 3rotor) + 10k (upgraded) = 65k) there isn't a better car for the price?

BMW M3 (45k) + Built Engine (5k) + Engine Management (+tuning) (3k) + Turbos and Related Parts = Just as fast with a new car

Just as fast? What kind of turbo kit and built engine do you plan on putting on an M3 to make it just as fast as a single turbo 20B (500rwhp). I found a turbo kit for an M3 that costs $10,900 and we might as well throw in the cost of installation by a shop since you are doing the same with the 20B.

Whats with the cost of 35k for the 3rotor along with 10k in mods? Please, if you are going to buy an Rx7 for 20k and planning on modding it into a 3rotor, it better have some mods already done to it if cost is an issue.

I would take a 20B over an M3 anyday, no matter how fast the M3 was.
Old 11-15-04, 03:06 PM
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Originally Posted by RidicilousRx7
LOUIS ur a idiot and u just proved it, WHO THE **** pays 35 000 AMERICAN?!?! for a stock cosmo... when here in canada my friend got a friggin GT42 single turbo with haltech and custom exhuast and everything for under 30 000 cnd which is about 26 USD... and why 20 000 FD?!? 10 000 is fine with a clean body since u dont need the 13b engine.... u my friend are a MORON
I'm an idiot... that's right, because I can spell you without spelling it "u" and you're without spelling it "ur"? The price of the Banzai kit is $35k. Maybe you can talk the price down $9k which you believe to be so, but good luck trying. Also, you say that you can find a FD for 10k. Well that will probably have body damage, poor suspension, or other problems which will have to be fixed, adding to the cost. I am a moron, thank you for point it out. I never like to point to this, but just remember that I've been learning and sharing for twice as long as you have on this site.
Old 11-15-04, 03:08 PM
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good cond FD body from what I once saw for sale. A price of $ 6500 USD
Old 11-15-04, 03:08 PM
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Pettit Racing in Fort Lauderdale, FL, has created the Banzai RX-7. Dispatching the quarter mile in a scant 11.4 seconds at over 126 mph
There are plenty of cars that can do this for under 75k



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