2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

The Dreaded S5 TII to S4 N/A swap

Old Oct 9, 2007 | 04:14 PM
  #76  
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From: St. Thomas
i've researched about what mods are needed to get the megasquirt to work in a rotory engine
an electrician at my work i always shoot the sh*t with is an rx7 guy too ...offered help whenever i need it
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Old Oct 9, 2007 | 04:22 PM
  #77  
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From: St. Thomas
Originally Posted by RotaryResurrection
Doing this swap is some kiddie ****. He'll let you know how it turns out as soon as he gets done debating general relativity with Stephen Hawking and calculating Pi to the 50th decimal place, okay?

honestly...is your life that pathetic you have nothing better to do than to come in here and talk sh*t in my thread....you haven't contributed anything useful to it... so why don't you quit wasting bandwidth and filling my thread up with your bullsh*t...really maybe you should read the very first post in this thread alittle more closely...
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Old Oct 9, 2007 | 04:41 PM
  #78  
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im going RRs way swapping front covers and **** basically im making 3 cars 2. s4 into the s5 and s5 into the s4. i read eveyr thing on the swap and found it not worth swapping all the harnesses that i have readily availibe. his way is much easier. and he knows a hell of alot more about rx7 then most people
james
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Old Oct 9, 2007 | 09:06 PM
  #79  
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From: fountain valley
alright, now there just giving you a hard time..

honestly the swap isn't that bad...

use this magnificent site called EBAY!!!!

as for the megasquirt.... kinda sketchyyyy
but hey at least youll feel acomplished when you can rub it in these guy's faces.

best of luck man
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Old Oct 10, 2007 | 09:03 AM
  #80  
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Originally Posted by FC3Sdrift
i've researched about what mods are needed to get the megasquirt to work in a rotory engine
an electrician at my work i always shoot the sh*t with is an rx7 guy too ...offered help whenever i need it
Electronics are a world apart from what an "electrician" deals with. Building circuits is nothing at all like wiring sockets and light bulbs. If you don't have any electronics knowledge, it's best to practice first. Buy the Megasquirt Stimulator and assemble it before you go and start working on the 'Squirt itself. This will at least give you some practice in the type of soldering required, even though you may not understand what you are soldering. For the most part, the rotary specific modifications are well documented so if you can follow the instructions it's likely something you can do without much electronics knowledge. But if something goes wrong, you're screwed.

Do you work at Format? I may know this RX-7 guy...

Originally Posted by myersprostatus
as for the megasquirt.... kinda sketchyyyy
In what way?
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Old Oct 10, 2007 | 09:36 AM
  #81  
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Kevin is so damn funny..

I wish you luck however I certianly think u are going the hardware about this!
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Old Oct 10, 2007 | 09:43 AM
  #82  
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Originally Posted by SpooledupRacing
I wish you luck however I certianly think u are going the hardware about this!
You makin' Megasquirt puns?
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Old Oct 10, 2007 | 10:07 AM
  #83  
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nope. My buddy is using MS on his n/a 7 and I have personally used it with another friend on his Eclipse... I was meaning his swap is going at it the hard way when S4 to S4 (atleast intake and electronics) would be easier
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Old Oct 10, 2007 | 02:17 PM
  #84  
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Yeah, I know, it was a joke. I was just going about it the "hardware"

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Old Oct 10, 2007 | 02:18 PM
  #85  
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BWAHAHAH lol I never caught that hehehe good one!!!
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Old Oct 10, 2007 | 04:59 PM
  #86  
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From: St. Thomas
Originally Posted by Aaron Cake
Electronics are a world apart from what an "electrician" deals with. Building circuits is nothing at all like wiring sockets and light bulbs. If you don't have any electronics knowledge, it's best to practice first. Buy the Megasquirt Stimulator and assemble it before you go and start working on the 'Squirt itself. This will at least give you some practice in the type of soldering required, even though you may not understand what you are soldering. For the most part, the rotary specific modifications are well documented so if you can follow the instructions it's likely something you can do without much electronics knowledge. But if something goes wrong, you're screwed.

Do you work at Format? I may know this RX-7 guy...



In what way?

i've already done all my research for it ...i've changed eproms in ecu's before and helped my buddy with his h22turbo civic with a megasquirt


its not that guy with the 302 in his rx7...
circuitry is circuitry
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Old Oct 10, 2007 | 06:29 PM
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Sounds good then. There's a big Megasquirt section here that you are probably already aware of which will be of great help with base maps and wiring info. If you need help with the 'Squirt I've done a bunch, but be aware that I don't half-*** wiring. This is a much better way of doing things then cobbling together the S4 and S5 ECU harnesses.

The guy with the 302 I have not seen in years. 1st gen with lakepipes...not really my style, but kind of cool.
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Old Oct 13, 2007 | 08:29 AM
  #88  
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From: St. Thomas
Motor's Going In Today!

I picked up a MINT 87TII Chassis last week from Joe at RPM motorsports (GREAT GUY!)
no rust at all on this car 141,000kms,lsd,4 piston calipers
i'm goin to drop the motor in it today an start bolting up the mechanical things
I still need a FMIC,boost sensor and exhaust to get it fired up.....but hopefully within the next couple weeks

i'll post picsof what i get done today later on this afternoon

heres some before pictures....i scrubbed the engine bay down....now its spotless!
Attached Thumbnails The Dreaded S5 TII to S4 N/A swap-t2013.jpg   The Dreaded S5 TII to S4 N/A swap-t2009.jpg  
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Old Oct 13, 2007 | 10:08 AM
  #89  
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From: Cali Native.
Very cool...im actually dropping mine in this weekend as well.

Were almost neck n neck with our project. Congrat's on that TII.
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Old Oct 13, 2007 | 05:18 PM
  #90  
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From: St. Thomas
heres some pics for today....i don't know how to make them smaller so they are shatty small pics

pics of the garrett turbo,OS GIKEN twin disk clutch
i just tossed the IC pipin on to seee what'd it look like
Attached Thumbnails The Dreaded S5 TII to S4 N/A swap-bay2.jpg   The Dreaded S5 TII to S4 N/A swap-osgiken.jpg   The Dreaded S5 TII to S4 N/A swap-turbo.jpg   The Dreaded S5 TII to S4 N/A swap-turb.jpg   The Dreaded S5 TII to S4 N/A swap-bay1.jpg  

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Old Oct 18, 2007 | 07:53 PM
  #91  
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so any updates
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Old Oct 19, 2007 | 03:26 PM
  #92  
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From: St. Thomas
i work all week i only have time on the weekends to work on the car
everythings inand hooked up ...i'm just waiting on a boost sensor and FMIC to fire it up

i disected a S4 engine harness took out the wires i need from the FEM 01 and 02 cables stripped the S5 harness spliced in the FEM 01 and FEM 02 cables....
then spliced the S5 end onto the S4 chassis harness
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Old Oct 19, 2007 | 07:55 PM
  #93  
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Originally Posted by FC3Sdrift
Hey does anyone have the pin layout for this plug....or atleast tell me what it would be under in the FSM

Is that a JDM EM harness? USA harnesses have two plugs in that area. Just asking. Never seen a JDM EM harness before in real life. Talking about the picture you posted of the harness.
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Old Oct 20, 2007 | 10:20 AM
  #94  
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From: St. Thomas
yeah it was a jdm engine harness on ebay

i can take some close up pics of any of the connectors on the jdm harness if you need them ...or write out the wire colours

i just joined the S4 FEM 01 02 cables.....its basically splicing some grounds...direct wire connections and the couple wires your left over with are useless
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Old Oct 23, 2007 | 09:22 AM
  #95  
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From: St. Thomas
all the doubters can suck a dick!!!!!
got it fired up this morning
just need the boost sensor and intercooler and i'll take it for a drive

the windshield wiper works too!


WOW all with a total of 4 days working time on it ....to put the engine in by myself switch over the harness and get it fired up......for someone who has never even so much as done an oil change on an rx7 .....i really must have no clue about what i'm doin with motors . really....... look at my post count i'm just some stupid noob
just here to be blessed by RR and all his infinite wisdom

Last edited by FC3Sdrift; Oct 23, 2007 at 09:51 AM.
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