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

s4 vert turbo II swap questions

Thread Tools
 
Search this Thread
 
Old 10-06-09 | 08:31 PM
  #1  
Brian FC/Si's Avatar
Thread Starter
Junior Member
 
Joined: Sep 2009
Posts: 30
Likes: 0
From: New Bern, NC
s4 vert turbo II swap questions

For the past couple of days I have made the "search button" on this forum and many others my friend on trying to gather up all the info on what I'll need for this swap.

I have become quit overwhelmed with info that just leaves me more confused (I like to over think thins). It's like one person says you need this and another guy says you need that. I can't find a good write up that tells me everything I need to know.

So my question is.....
Can someone tell me everything (sensors and other misc. parts) I'll need to do this swap in my 88 vert?
If there is a good informing write up out there please let me know.

Also I know that the jdm harness and ecu are useless, so were is the best place to buy the oem ones?

I know a lot of you are going to give me hell for asking that, but that is ultimately what a forum is for. So please show mercy with the flaming and help me out lol.

thanks,

Last edited by Brian FC/Si; 10-06-09 at 08:35 PM.
Old 10-06-09 | 08:38 PM
  #2  
JReed's Avatar
Senior Member

iTrader: (18)
 
Joined: Apr 2008
Posts: 499
Likes: 0
From: Pennsylvania
https://www.rx7club.com/2nd-gen-archive-72/s4-na-turbo-swap-details-813825/

im starting the exact same swap as you good luck :d

if your n/a harness is still good then re-use it and get a turbo ecu n332 / n333

ask members on the 2nd gen parts thread for a harness and ecu
Old 10-06-09 | 08:42 PM
  #3  
need RX7's Avatar
Listen to King Diamond.
iTrader: (4)
 
Joined: Dec 2006
Posts: 2,847
Likes: 9
From: Sterling Heights, MI
An excellent thread: https://www.rx7club.com/showthread.php?t=813825

EDIT: Beat me to it
Old 10-06-09 | 08:45 PM
  #4  
HOZZMANRX7's Avatar
Driving RX7's since 1979
iTrader: (43)
 
Joined: Aug 2001
Posts: 6,096
Likes: 9
From: So Cal where the OC/LA/SB counties meet
I did this swap complete with all emmisions engine through half shafts. So let me give you a Cliff Notes version to boil it all down to it's essence.

Everything bolts in. So your best bet is to buy either a wrecked TII (best option). Second best, one with a blown motor and buy a JSpec block to go with it. Buying parts piece meal could very well cost you more than this approach.

Then park them beside your Vert and start swapping things out. Be sure and use the TII's vacume hose at the Brake Booster as it has a check valve the NA's doesn't.

Even the TII stock downpipe will bolt up clearing the Verts cross support. Be sure and replace all gaskets and seals with new on the TII block before dropping in. New water pump would be a good idea as well.

Beyond the actual swapping things out, here is only two modifications you'll need to make.

1. Run a pair of wires along the TII Emission harness for the alternator. FSM will tell you where to connect them under the dash.

2. Buy an aftermarket Boost gauge. Install it after everything else is done.

All that detail you've been reading is all good reference. But it all boils down to what I wrote above.
Old 10-06-09 | 08:54 PM
  #5  
Brian FC/Si's Avatar
Thread Starter
Junior Member
 
Joined: Sep 2009
Posts: 30
Likes: 0
From: New Bern, NC
Originally Posted by HOZZMANRX7
I did this swap complete with all emmisions engine through half shafts. So let me give you a Cliff Notes version to boil it all down to it's essence.

Everything bolts in. So your best bet is to buy either a wrecked TII (best option). Second best, one with a blown motor and buy a JSpec block to go with it. Buying parts piece meal could very well cost you more than this approach.

Then park them beside your Vert and start swapping things out. Be sure and use the TII's vacume hose at the Brake Booster as it has a check valve the NA's doesn't.

Even the TII stock downpipe will bolt up clearing the Verts cross support. Be sure and replace all gaskets and seals with new on the TII block before dropping in. New water pump would be a good idea as well.

Beyond the actual swapping things out, here is only two modifications you'll need to make.

1. Run a pair of wires along the TII Emission harness for the alternator. FSM will tell you where to connect them under the dash.

2. Buy an aftermarket Boost gauge. Install it after everything else is done.

All that detail you've been reading is all good reference. But it all boils down to what I wrote above.
So do I not need a knock sensor and boost sensor,etc.
I just want a complete list of everything I'll need. I have no knowledge with rx7's or rotary's what so ever.
Old 10-06-09 | 09:02 PM
  #6  
misterstyx69's Avatar
Retired Moderator, RIP
iTrader: (142)
 
Joined: Sep 2005
Posts: 25,581
Likes: 133
From: Smiths Falls.(near Ottawa!.Mapquest IT!)
Just Please do this for MR Styx!..if you take wires OFF the engine,Label them!..Do not go By Memory!
and HOZZ.the N/A booster does have a check valve in the rubber hose on the booster.It actually "tricked me' for a couple days,awhile back..If that hose is reversed,it gives you Brakes,But you have to STAND On the pedal.Basically Manual brake,No booster
.With the hose back to normal it allows vacuum to get to the booster.
To the Poster:.If you can't get a TII harness,get an N/A harness.They are cheaper and you just have to extend a couple wires.Not hard to do.(solder them though,.it is better to Know they won't come apart.So less troubleshooting if something goes wrong) Cheers STYX.
Old 10-06-09 | 09:21 PM
  #7  
Brian FC/Si's Avatar
Thread Starter
Junior Member
 
Joined: Sep 2009
Posts: 30
Likes: 0
From: New Bern, NC
Originally Posted by misterstyx69
Just Please do this for MR Styx!..if you take wires OFF the engine,Label them!..Do not go By Memory!
and HOZZ.the N/A booster does have a check valve in the rubber hose on the booster.It actually "tricked me' for a couple days,awhile back..If that hose is reversed,it gives you Brakes,But you have to STAND On the pedal.Basically Manual brake,No booster
.With the hose back to normal it allows vacuum to get to the booster.
To the Poster:.If you can't get a TII harness,get an N/A harness.They are cheaper and you just have to extend a couple wires.Not hard to do.(solder them though,.it is better to Know they won't come apart.So less troubleshooting if something goes wrong) Cheers STYX.
Unfortunately I got the car with the motor out and all the parts packed in storage bins.
Old 10-06-09 | 09:44 PM
  #8  
leprachaungold9's Avatar
My 1986 Mazda RX-7

 
Joined: Sep 2006
Posts: 30
Likes: 0
From: Illinois
im parting out my turbo 2 i have for your swap the turbo rebuilt only 500 miles on it after rebuild cork sport 3 inch exhaust system areomotive front mount intercooler also have an intake manifold if your interested for the swap i can also get the ecu for you to the resion why im parting out because the motor blew the seals in the rear rotor housing and i dont have annnnny money to rebuild it!!!! i also have marrin injectors 720 secondary and 550 primary the ecu has a 1.8 rtek chip soldered in i also have a boost sensor and a computer bypass that hooks up to the boost sensor to the ecu to help control fuel under high boost if your intersted for pictures and details give me a call 630 999 3313
Old 10-07-09 | 11:01 AM
  #9  
Brian FC/Si's Avatar
Thread Starter
Junior Member
 
Joined: Sep 2009
Posts: 30
Likes: 0
From: New Bern, NC
I'm so stressed over this swAp. I just don't want to dig myself in a hole.
Is there a write up on modding the na harness?
I really need detailed instructions on this swap.
Old 10-07-09 | 11:55 AM
  #10  
JReed's Avatar
Senior Member

iTrader: (18)
 
Joined: Apr 2008
Posts: 499
Likes: 0
From: Pennsylvania
PA

Originally Posted by Brian FC/Si
I'm so stressed over this swAp. I just don't want to dig myself in a hole.
Is there a write up on modding the na harness?
I really need detailed instructions on this swap.

https://www.rx7club.com/showpost.php...52&postcount=2 Right Here is the explaniation and

https://www.rx7club.com/showpost.php...2&postcount=10 are diagrams

its pretty simple , just follow directions im midway through my swap

ps all this was in this thread https://www.rx7club.com/showthread.php?t=813825 which was already posted on here :P

Last edited by JReed; 10-07-09 at 11:58 AM. Reason: added more
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
trickster
2nd Generation Specific (1986-1992)
25
07-01-23 04:40 PM
bb6guy
Old School and Other Rotary
10
10-01-18 08:07 AM
astrum
2nd Generation Specific (1986-1992)
24
11-15-17 08:44 AM
josef 91 vert
2nd Generation Specific (1986-1992)
23
09-03-15 11:20 AM
Professorpeanutrx7
New Member RX-7 Technical
5
08-15-15 01:38 PM



Quick Reply: s4 vert turbo II swap questions



All times are GMT -5. The time now is 08:19 AM.