A first look at the production FD/20B conversion kit

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Old 10-07-06, 05:31 PM
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J_J
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Do you have any plans for an FC kit?
Old 10-07-06, 06:11 PM
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There is a company installing custom 4 rotor engines in Fd's thats solving the hood clearence by pushing the engine 7 inches further back into the chassis, and bringing the engine down lower.

Link: http://www.autotechmotorsports.com/projects-23afd.htm
Old 10-07-06, 09:52 PM
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Originally Posted by slo
There is a company installing custom 4 rotor engines in Fd's thats solving the hood clearence by pushing the engine 7 inches further back into the chassis, and bringing the engine down lower.

Link: http://www.autotechmotorsports.com/projects-23afd.htm
That is another great option, but I was trying to save as many headaches for the buyer as possible. Cutting the PPF frame 6", moving the shifter 6" and taking 6" off the driveshaft, cutting the firewall for intake clearance, and a oil filter relocation is a bit harder/ more expensive to sell!

Last edited by GtoRx7; 10-07-06 at 09:54 PM.
Old 10-07-06, 09:56 PM
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Originally Posted by J_J
Do you have any plans for an FC kit?
Was thinking about it, it would be alot easier to make
Old 10-07-06, 10:00 PM
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all you need for the FC is mount adapters, and to modify the position of the sway bar, or a custom sway bar. I don't think hood clearance is even an issue.
Old 10-08-06, 11:52 AM
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There isn't any cutting of the firewall on the FD 4 rotor... if you check out the website. http://www.autotechmotorsports.com/project-23A.htm

Edit: It also uses 12a Based parts and they claim the shifter is in the stock location. The intake manifold shows how the firewall isnt modified; the runners for the rear 2 rotors go foward.

Last edited by shm21284; 10-08-06 at 12:00 PM.
Old 10-08-06, 12:01 PM
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Originally Posted by shm21284
There isn't any cutting of the firewall on the FD 4 rotor... if you check out the website. http://www.autotechmotorsports.com/project-23A.htm
I was speaking more of doing the same to a 3-rotor install, keeping the stock, or similar intake manifold. I think they are saying the shifter stays in the stock location inside the car, not on the transmission. That would be impossible to move the engine 7" back but the trans stay right where it was.

And that car is very badass!

Last edited by GtoRx7; 10-08-06 at 12:05 PM.
Old 10-08-06, 12:17 PM
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agreed. Did you check out the eccentric shaft pics? They make their own e-shafts...
Old 10-08-06, 06:14 PM
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Originally Posted by slo
all you need for the FC is mount adapters, and to modify the position of the sway bar, or a custom sway bar. I don't think hood clearance is even an issue.

i had to cut some of the bracing from under my hood, but the actual top skin is ok for a fc.
Old 10-08-06, 07:34 PM
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Did you cut the bracing for manifold clearence or to clear piping for the stock turbos I saw one single turbo last year that fit with no cutting. Of course there are other factors, not the least of which is the mount adapters in question my 13b-re install required trimming of the excess casting on the front cover to clear the steering rack.
Old 10-08-06, 07:46 PM
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They also have 13B based 4 and 3 rotor:

They are 20 min from my house, I think I will go check them out.

http://www.autotechmotorsports.com/r_and_d.htm
Old 10-16-06, 04:13 PM
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You'd do well to make it a full kit.

1. The "conversion" kit
2. The intake kit
3. An engine management kit w/ wiring harness





Originally Posted by GtoRx7
The intake kit, or the conversion kit? The conversion kit is available right now.
Old 10-16-06, 06:11 PM
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Originally Posted by slo
Did you cut the bracing for manifold clearence or to clear piping for the stock turbos I saw one single turbo last year that fit with no cutting. Of course there are other factors, not the least of which is the mount adapters in question my 13b-re install required trimming of the excess casting on the front cover to clear the steering rack.
stock manifold, single turbo. it hit the front of the manifold just barely, if I had moved the tranny back an inch, or lowered the steering rack half an inch, i probably would ahve been ok, but i wanted to use the first few inches of the stock TB elbow anyway, and its way high.
Old 10-17-06, 08:43 PM
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pwitty pwease make a fc kit. I will buy one.
Old 10-17-06, 11:25 PM
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I think what has allready been said is that you really don't need an extensive kit for an FC. Many places are making mount adapters, same ones for the 13b-re.
Old 10-18-06, 12:31 AM
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oh ok, well then can anyone tell me what companys make the kit for it. thanks and I hope i'm not threadjacking.
Old 10-21-06, 04:46 PM
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Originally Posted by slo
I saw one single turbo last year that fit with no cutting.
I spoke to the fabricator at Autotech and they do modify the tunnel/firewall. He said something about beating it in with a large hammer (no joke) and welding work. I had a difficult time understanding him because his English was not very good. However, he was clear that the chassis needs to be modified.

For my car, I moved the motor back 6.5-7" and down about 1". There is no way in hell you could do it without modifying a lot of sheet metal, unless you are willing to have the oil pan about 2" off the ground and be the lowest point of the car. Ask the ground zero oil pan guys how much fun that is.

Ignoring the changes I had to make to accommodate the stock manifold, I had modify the firewall/tunnel to make room for the following items:
-the rear iron hits the tunnel where the filter mount would normally bolt down.
-the starter motor hits the tunnel.
-the back of the gearbox hits the tunnel
-there is virtually no room for a downpipe without cutting the firewall back.

Logan I really like your kit. Where was all this innovation a few years ago when I started my project? :p
Old 11-03-06, 01:36 PM
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Originally Posted by RX-Heven
How much just for the machined water pump outlet?
Originally Posted by GtoRx7
$80.00
I'll take one.
pm me for your payment info and timeframe.
Old 11-05-06, 01:17 AM
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Originally Posted by CMonakar
Logan I really like your kit. Where was all this innovation a few years ago when I started my project? :p
Not on 20B's yet I guess

Originally Posted by RX-Heven
I'll take one.
pm me for your payment info and timeframe.
PM'd
Old 11-05-06, 03:37 PM
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Intake manifolds are not cheep guys we just cant produce parts at some of the prices asked for. I am sure GtoRx7 will agree with me here that we can’t produce the type of machine work needed for cheep.

13b manis fully custom to each application I charge anywhere from 1,200 and 1,700 without a TB. For a 20b then avg price would simply be 50% more. Now shorter runners and ITB could be cheaper for fact of not fabin a plenum. Then the thing of air boxes raise the price back up.
Old 11-05-06, 09:25 PM
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I just finished another option that is available to any customer. The idea was inspired to me by Cmonakar (his pan pictured), and uses a Rx-8 oil level sensor in place of the factory Rx-7 one. Its advantage is a cleaner install, smaller size, and no more wires hanging outside the pan. Just a option, if somebody else would want it. Can be done at the same time of 20B conversion kit process. Or sent in just for this mod. I also prep the pan with a non-stick, sludge protectant coating.
PM for any requests.

Oh yeah, and business partner Peter APPROVES!!!
Attached Thumbnails A first look at the production FD/20B conversion kit-peter-ebay-log-panrx8-003.jpg   A first look at the production FD/20B conversion kit-peter-ebay-log-panrx8-005.jpg   A first look at the production FD/20B conversion kit-peter-ebay-log-panrx8-004.jpg   A first look at the production FD/20B conversion kit-peter-ebay-log-panrx8-001.jpg  
Old 11-06-06, 06:57 PM
  #47  
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Originally Posted by iceblue
Intake manifolds are not cheep guys we just cant produce parts at some of the prices asked for. I am sure GtoRx7 will agree with me here that we can’t produce the type of machine work needed for cheep.

13b manis fully custom to each application I charge anywhere from 1,200 and 1,700 without a TB. For a 20b then avg price would simply be 50% more. Now shorter runners and ITB could be cheaper for fact of not fabin a plenum. Then the thing of air boxes raise the price back up.
I don't think anyone knowledgeable would expect you to do a custom manifold for some of the lower prices mentioned.

how much do you realistically estimate it would cost to a low profle manifold with decent length runners connecting to either:

1. 3 Independent Throttle Bodies and air box similar to GTO's old setup
2. Big single TB setup maybe using stock 20B or FD throttle body and elbow

I'm in the planning stages of this and the intake setup and header are the 2 unknown costs for me. I don't know anyone where I currently live that I could trust to build either.

Either of you feel free to PM me if you don't want to post that publicly.
Old 11-06-06, 10:29 PM
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Originally Posted by gracer7-rx7
I don't think anyone knowledgeable would expect you to do a custom manifold for some of the lower prices mentioned.

how much do you realistically estimate it would cost to a low profle manifold with decent length runners connecting to either:

1. 3 Independent Throttle Bodies and air box similar to GTO's old setup
2. Big single TB setup maybe using stock 20B or FD throttle body and elbow

I'm in the planning stages of this and the intake setup and header are the 2 unknown costs for me. I don't know anyone where I currently live that I could trust to build either.

Either of you feel free to PM me if you don't want to post that publicly.
ITB estimate 2pc $1,200 without cold box. Single piece $900
Cold box price will be based on location and size.
OEM style $1,500
Old 11-07-06, 02:28 AM
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Originally Posted by iceblue
ITB estimate 2pc $1,200 without cold box. Single piece $900
Cold box price will be based on location and size.
OEM style $1,500
Nice, maybe you should post some pics of examples, detailed prices in a dedicated thread just for that.

Anyway, I will keep you guys updated once I have some intakes completed and for sale.
Old 11-07-06, 11:37 AM
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I will when I can. I am busy machining the NA turbo ones for S4-5 engines right now. Do you have any more of yours? Or are you only running the ITB setup you showed?


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