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20B/3 Rotor Conversion.. All things to do with 20B/3 rotor... Post pics, video, tech, etc..

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Old 10-09-2011, 05:05 AM   #1
DriFD3S
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This thread scares me... Not going to lie,
Scary as hell.
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JDM True Story.


the Vacuum line, to my MAP became detached while I was legally drifting.
my engine would not rev past 2500, and idled from 300-650 and was stalling.
Fortunately, I acquired a Zip-Tie.
I fixed a catastrophic engine failure, With a Zip-Tie.
JDM FTW.
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Old 10-09-2011, 09:19 PM   #2
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This thread scares me... Not going to lie,
Scary as hell.
Not sure what YOU mean...but I agree!!
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Old 10-12-2011, 02:13 PM   #3
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Chris... great build. I knew the car when it was here in Phoenix and considered purchasing it before you. Glad you got it instead!! Keep up the incredible build. Considering a similar NA approach to another FD build in the future. We'll see.
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Old 10-15-2011, 04:07 PM   #4
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Chris... great build. I knew the car when it was here in Phoenix and considered purchasing it before you. Glad you got it instead!! Keep up the incredible build. Considering a similar NA approach to another FD build in the future. We'll see.
Thanks!!

Sometimes I wish you had bought it..
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Old 10-26-2011, 08:39 PM   #5
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I ordered wheels and tires last week. The expected ship date is 11-14-11. Doug said he will be on the fenders the day the wheels show up.

They will build the front fenders around the wheel. That is what he usually does and we should have done in the first place. But oh well, here we are doing it right the second time.

I am not going to tell which wheels until I have photographs. Kinda childish maybe but I feel like doing it that way.

The sizes are:

Front: 18x9 +23 Toyo R888 255/35R18
Rear: 18x11 +38 Toyo R888 295/30R18

It looks like the slide throttle development is going to take longer than expected. So we are going to do the 90mm with custom intake plenum. This is different than the original plan. It is going to be more race looking than factory hot rod. In the future if the slides get worked out and produce more power we can install them with minimal fuss.

I am also having a guy in Australia make the mufflers. His name is Kevin and his company is AES. He makes them with mild steel and rockwool. The sound is deep and throaty. I think the biggest complaint might be they are too quiet. I know they will be heavier but so what.. He said around 14lbs per muffler.

http://ausrotary.com/viewtopic.php?f=7&t=193487

I have dumped the idea of butterfly valve in the exhaust and using the two different exhaust pipe sizes on the y pipe. Although Kevin is actually very involved in building and installing valves in his exhaust systems. I am going for simplicity. The point in my case was to make the car quieter in town and now I won't be living in town. The mufflers are going to take care of that issue anyway.

Last edited by Christopher W.; 12-31-2011 at 10:36 AM.
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Old 11-02-2011, 06:05 PM   #6
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Well, it seems we are back on for the slide throttles!!

I will let Logan discuss reasons and all. I am very happy about that.
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Old 11-14-2011, 12:04 AM   #7
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Yes, we were having issues finding a source for needle bearings on the slide throttles. And after testing the teflon versions had too much friction for easy driving. I did do dyno runs with the teflon slide throttles with excellent results however.

So after that brief detour the ITB's will be machined out shortly and good to go!
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Old 12-31-2011, 04:34 AM   #8
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my eyes are bleeding, this is a hell of a build!!
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JDM True Story.


the Vacuum line, to my MAP became detached while I was legally drifting.
my engine would not rev past 2500, and idled from 300-650 and was stalling.
Fortunately, I acquired a Zip-Tie.
I fixed a catastrophic engine failure, With a Zip-Tie.
JDM FTW.
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Old 02-20-2012, 10:42 PM   #9
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Ha, well another change!!

After getting one of the front Mariah fiberglass fenders widened it was decided....NO!

So no we rip up the original metal fenders. Luckily not on my dime but on Dougs!!

I have included Doug's comments with the photos.

"I think this will work better. After roughing in the custom fiberglass fender fattening, it became apparent that to get the right look we’d have to use the steel fenders. A more graceful line can be done this way, a look that’s truer to the original shape, and a perfect match to the rear."




"The rear of the fender gets relived vertically so that the original shape of the fender is maintained while allowing the flare to begin as subtly as possible."


Here is picture of the wheels I bought from Forgeline. It is their new GW3R wheel.



Front: 18x9 +23 Toyo R888 255/35R18
Rear: 18x11 +38 Toyo R888 295/30R18

That was a hard decision. At the very last minute...I mean last seconds of placing the order I went against my life long love of exposed bolts. I got the hidden option. I also got the center lock conversion.

This picture is a little darker than I am wanting but only one I have here.

The pictures I have been sent of the wheels on the car where with a camera phone and made the centers almost look blue. I am after a bright silver center section but not polished or machined and a polished lip. I have seen different pictures of the same wheels and some they look almost gun metal (I don't want) and sometimes they look bright silver. If I don't like it I send them back and change the color for $80.00 a wheel. I will know for sure when I go pick up the car to take it to Defined.

Last edited by Christopher W.; 02-20-2012 at 10:47 PM.
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Old 02-21-2012, 11:25 AM   #10
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Quote:
Originally Posted by Christopher W. View Post
Ha, well another change!!

After getting one of the front Mariah fiberglass fenders widened it was decided....NO!

So no we rip up the original metal fenders. Luckily not on my dime but on Dougs!!

I have included Doug's comments with the photos.

"I think this will work better. After roughing in the custom fiberglass fender fattening, it became apparent that to get the right look we’d have to use the steel fenders. A more graceful line can be done this way, a look that’s truer to the original shape, and a perfect match to the rear."




"The rear of the fender gets relived vertically so that the original shape of the fender is maintained while allowing the flare to begin as subtly as possible."


Here is picture of the wheels I bought from Forgeline. It is their new GW3R wheel.



Front: 18x9 +23 Toyo R888 255/35R18
Rear: 18x11 +38 Toyo R888 295/30R18

That was a hard decision. At the very last minute...I mean last seconds of placing the order I went against my life long love of exposed bolts. I got the hidden option. I also got the center lock conversion.

This picture is a little darker than I am wanting but only one I have here.

The pictures I have been sent of the wheels on the car where with a camera phone and made the centers almost look blue. I am after a bright silver center section but not polished or machined and a polished lip. I have seen different pictures of the same wheels and some they look almost gun metal (I don't want) and sometimes they look bright silver. If I don't like it I send them back and change the color for $80.00 a wheel. I will know for sure when I go pick up the car to take it to Defined.

BADASS, especially those wheels
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Old 02-21-2012, 07:51 AM   #11
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Wow.

This is going to be one of the sickest, if not THE sickest FC's around.

Bring it to DGRR!!!!
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Old 02-21-2012, 09:06 AM   #12
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this is awesome.
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Old 02-21-2012, 01:39 PM   #13
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Thanks for the comments!!

DGRR would be nice. Ha, good dead line to give to Logan at Defined.

The body work won't be much longer at all. The whole car is already painted except for the front fenders.

Now that Logan has the intake figured out basically all that has to be done is get the intake made and installed. I am not sure where he is right now with the slide throttles but I imagine still in the process. But then I have to go and put 800-900 or so miles on it, get it dynoed and dialed in, get all the little punch list stuff done. I don't know if that is actually possible by then.

I gave up self induced dead lines long ago. They bring on nothing but tension..
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Old 02-21-2012, 05:58 PM   #14
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What's your horsepower goal with Logan. Something in the 375 RWHP range??
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Old 02-21-2012, 06:27 PM   #15
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What's your horsepower goal with Logan. Something in the 375 RWHP range??
Heh, heh..

We started out conservatively thinking around 350rwhp. I have basically left my car unfinished with Logan..other than the trip to St. Louis for the paint and body, for about two years.

The entire reason for just leaving it there is because Logan continued to make more and more HP. He now has his 20B FD making 475rwhp. But he is dry sumped and running up to 10k rpm. I am wet and going to 9k rpm.

You might of missed this thread on this forum and Logan has others on the other forum. He made 475 rwhp on a Dynapack dyno!!

http://rotarycarclub.com/rotary_foru...ad.php?t=15079

or

http://rotarycarclub.com/rotary_foru...ad.php?t=15078

The other difference is my setup probably won't have the external mounted injectors. But what you see in his thread is basically my setup to come. He still has to get the slide throttles functional for daily use but that is coming together as well.

Logan, who is pretty conservative, said that I could look for between 425 and 450rwhp with the lastest setup.

I think it has been worth the wait on possibly gaining 75 to 100 more HP than originally thought.

I don't care if he is still finding more hp. I am ready for my car!!

Last edited by Christopher W.; 11-19-2012 at 04:46 PM.
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