1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

20b in 1st gen

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Old 03-03-04, 03:26 PM
  #26  
Rotating once again!!

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i'm thinking about trying to make a 4 rotor 13b, i have a spare one sitting in my garage, so i might pick up a spare one and try and experiment.
Old 03-03-04, 03:47 PM
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If you go to 3 rotor.com there is a guy who has built a 13b+1/2 of a 13B. He calls it 3ROTOR NOT 20B in a first gen. I think he had the engine built by Bill Nabham of Mazsport( the same guy that just built the 26b for the Beamer in Australia)
Old 03-03-04, 05:13 PM
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well this one is no photoshop

http://www.chitownsyty.com/albums/RB.../aak.sized.jpg

and this is the car that hosts that beast:

http://www.chitownsyty.com/albums/RB.../aai.sized.jpg
Old 03-03-04, 05:24 PM
  #29  
it WILL run

 
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*fap
Old 03-03-04, 07:12 PM
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that is good shopping choppin if i say so myself
Old 03-03-04, 07:12 PM
  #31  
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Originally posted by RoTaRyBoYz
it would be cool to have a 20b in 1stgen,especially when the 20b V-TECH valves kicks in at 5K rpm
BTW this is a photoshop pic of a 20b in my 1stgen....i'm a photoshop professionl,thats why it looks so real
20B VTEC? What the hell ware you talking about?!!
Old 03-03-04, 07:27 PM
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This one is no photoshop either. Paint Shop Pro to be exact (that's partially why it looks kinda odd color-wise).



Sorry, the forum won't let me post a picture of the car that hosts this beast.
Old 03-03-04, 08:12 PM
  #33  
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Originally posted by hornbm
20B VTEC? What the hell ware you talking about?!!
yea bro i was told that the 20b makes more power if u swap out the 20b Vtech valves for some 13b ones
Jeff its looking sweet man,unfortunately i cant afford paint shop pro,so i have to settle for PS ...when do u plan on firing her up Jeff?? the red rx2 is very nice & clean but u might have a unbalanced car with that 20b hanging over the front axles....i think cutting the fire wall and setting the motor back a few inches would give you a front/rear weight ratio close to or better than stock...
Old 03-03-04, 11:26 PM
  #34  
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Originally posted by mx5rx7girl
We're thinking of a 20B for the fb. that or a TII swap. If it is going to be the 20B, we'd like the NA street ported flava with a side of TII tranny/rear/wide body kit.

But instead of asking random people on a forum like this, I'm gonna call Tito at Alamo Rotary in San Antonio, since he did my friend's 20B fd conversion.
good luck with it
when i owned that car it turned lots of heads around town. black with panasports mmmmmm. in the end i sold it because i prefer a sleeper. i actually got pulled over once doing nothing wrong because he thought i looked fast i guess (was going the speed limit hehe).
if Tito could make that car as nice as Derricks fd id be impressed

-Gamble
Old 03-04-04, 11:54 AM
  #35  
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Originally posted by Directfreak
I agree with Jon_Valjean.


At Higher boost, the "O $hit" factor kicks in a little more,
and should be enough to put other big-boys (Porsche's, Vipers, Z06's) in their place.
How much Horsepower do you guys think it would take to beat a viper? Some guy at my work just bought a 2000 model (brand new, had been sitting on the showroom in oregon for since 2000). I would love to embarass him with my future turbo first gen. How much hp does a viper have anyways, like 500 or something?
Old 03-04-04, 01:27 PM
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After I get a few more little things. I'm waiting for a clutch bolt set and some aluminum plate. The rest is just work and engineering (time consuming).
Old 03-04-04, 02:29 PM
  #37  
I can has a Hemi? Yes...

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Originally posted by RotaryRevn
How much Horsepower do you guys think it would take to beat a viper?
350+ from a Roll. From a Dig it will be tough with the Viper's W I D E Tires..
Old 03-04-04, 03:18 PM
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You'd have to have around 450 to beat a viper.. its got 500 HP, and 525 LBS of torque.. Even though the RX7 is about 1000 lbs lighter with 450 HP you'r only going to be putting out like 250 - 300 lbs of torque so the viper will probably whoop your *** in the 60ft time so you will need the extra HP to make up for it in your top speed and longer gears will help. If you build the engine to a redline of abou 9 or 10K you should have a pretty good chance. But if the guy has modified the viper at all your back at the drawing board..

Actually here's a better anwser..
You have to beat this:
Quarter Mile: 11.77 sec @ 123.6 mph


To encourage you:
Dodge Viper, 12 seconds, $79,995 plus tax.
RX7, 10 seconds, $1,000 + ($5,000 - $8,000)in mods.
You could build 10 rx7's that'll whoop his viper for what he spent on it. :P

Last edited by natew; 03-04-04 at 03:26 PM.
Old 03-05-04, 12:24 AM
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Someday I'd like to get a gt35/40 turbo and street port the motor. That should put me over 400 horsies and give him a good run if nothing else. I can always through the cost factor in his face. He "only" paid 70k for his viper since it was a 2000 model year.
Old 03-05-04, 12:38 AM
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I can has a Hemi? Yes...

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Originally posted by natew
Actually here's a better anwser..
You have to beat this:
Quarter Mile: 11.77 sec @ 123.6 mph
Actually, those may be the stats for a new one, but
I personally raced one 2000 GTS model from a 2nd gear roll to about 115 and I had 2 cars on him, repeatedly.

This was at 17PSI, on my old non-drag radials.
The guy is a neighbor and a friend of mine.

From a dig, he had me by 3 cars for about the same.
but rolling, I had him every time.

I never posted it in the Kills section because everybody
was giving me slack about "street racing" without knowing the circumstances of the "track" (private airport runway nearby).
Old 03-05-04, 12:43 AM
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Originally posted by Directfreak

I never posted it in the Kills section because everybody
was giving me slack about "street racing" without knowing the circumstances of the "track" (private airport runway nearby).
So is that were the drugs come in??
Old 03-05-04, 12:49 AM
  #42  
I can has a Hemi? Yes...

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Originally posted by web777
So is that were the drugs come in??
Naw. The guy is a dispatcher at Tamiami Airport. It's a small private airport nearby for small private planes. They have 3 runways, but only use one.

We raced there after work one day, in a hurry.
In case Security came to hassle us.

It's the same place where I do my "tuning" / high gear
speed runs.
Old 03-05-04, 01:11 AM
  #43  
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20B 1st Gen

i'am about to do it on my car...

Old 03-05-04, 01:30 AM
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Nice! Did you use a video camera to shoot those pics?
Old 03-05-04, 03:40 AM
  #45  
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Originally posted by Directfreak
350+ from a Roll. From a Dig it will be tough with the Viper's W I D E Tires..
At the end of the day, it's all about traction, something the viper will always have more of. The rest is mathematical, power vs. weight. If you're talking about turning corners, then the viper will probably have a better suspension setup.

I can certainly tell you that bang for buck, you will have a faster car with an RB. Might not be the status symbol, and it might not have eight litres of displacement, but it will be faster if you're prepared to spend the money.
Old 03-05-04, 05:39 AM
  #46  
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Go ahead with the 20b. I would like to see it turbocharged though. Just make sure you beef up everything thats behind it starting with the tranny and diff. If it was me, I'd do a 20b turbo with upgraded tranny /diff (and anything else that can break from the power increase), upgrade the braking system, go with the fender flares like the ones from cpracing instead of the widebody kit(this is just personal preference, and through the fattest tire I could in the back without sticking out past the flares. Also, if I was gonna dump money into a 20b I would like to atleast push 500rwhp at a minimum. The most I've seen out of a 13b is about 700rwhp so I'm pretty sure 500 out of a 20b isn't asking too much but I think 700 might be a bit too much for me(in the beginning)
Old 03-05-04, 05:58 AM
  #47  
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What's so big about beating a Viper? I could probably take one depending on the driver, road conditions, etc...but in the end I'd be no match for the top speed of the snake.
Old 03-05-04, 06:00 AM
  #48  
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where the hell did my signature go? WTF
Old 03-05-04, 12:32 PM
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Yes the pic com from my F****'N video camera... the image quality is the result.... and i don't keep the original trany, axel ant tires( tires on the pic come from a GEO METRO hahahhaha)... the car is 103 HP stock whit the 12A ... litle difference whit the 300+ HP stock of a 20B.... just a litle question: why people are mostly running 20B n/a ?
Old 03-05-04, 02:31 PM
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I used a video camera to take my pic above. See the quality difference? Color difference? It's a black and white security camera.

I'm running NA because I can't afford an ECU, single large turbo, NPR (or whatever) intercooler etc. That's my reason. I'm sure others have their reasons. I will probably go turbo some day, but I'd also need to rebuild the 20B before then because it has a few miles on it already (which I also can't afford right now). Super cheap 20B swap for me will be as-is for now.


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