New to miatas. just bought a '90 with FMII Hydra - Miata Turbo Forum - Boost cars, acquire cats.

Welcome to Miataturbo.net   Members
 


Meet and Greet Say Hi. De-noob yourself.

Reply
 
 
 
LinkBack Thread Tools
Old 06-06-2010, 03:16 PM   #1
Newb
Thread Starter
 
Join Date: Apr 2010
Location: Fayetteville, AR
Posts: 13
Total Cats: 0
Default New to miatas. just bought a '90 with FMII Hydra

I just bought a really clean 40k original mile '90 model. Its got a turbo system which I understand started out as a BEGi kit and was upgraded by the last owner to FMII (2560). Its also got the Hydra computer, 550cc injectors, flyin miata stainless exhaust. The car is set up at 12 psi.

I decided to buy already modified because it seemed like such a good deal. I come from V8 muscle cars and 4x4's, and have sunk big money into them, only to lose it all when selling. I'm trying to get on the other end this time by buying already modified.

I've been lurking, reading posts on this forum and others for months, but I have so much to learn, especially if anything ever goes wrong with my car.

Right now, due to a horrendous oil leak that was grossly understated when I bought the car, I'm starting to work on the maintenance items that have probably never been done, but are 20 years old--timing belt, water pump, front seal, all gaskets.

The car is tons of fun to drive. There's one minor issue. Sometimes at high rpm (6k or more), the car misses, or coughs. I plan to get a usb/serial adapter for my laptop and do some logging on the Hydra and see what that shows. I'm hoping its something simple.

Also, its got a manual boost controller, because the previous owner couldn't figure out the EBC wiring. When I get brave, I may tackle that one too so I can have 2 boost settings.

Oh, I've got some parts to sell that came from the original BEGI kit (not needed with the Hydra). MSD boost control box, FMU, original computer, original intake, air meter, etc.

Any advice would be greatly appreciated.
Senor Aguas is offline   Reply With Quote
Old 06-06-2010, 07:35 PM   #2
Elite Member
iTrader: (22)
 
Join Date: Dec 2006
Location: Sunny Spanish speaking Non US Caribbean
Posts: 3,257
Total Cats: 3
Default

Welcome aboard.

You'll find a couple of good threads about hooking up the EBC here.

Some pics of your car would be nice.
Rafa is offline   Reply With Quote
Old 06-06-2010, 08:56 PM   #3
Newb
Thread Starter
 
Join Date: Apr 2010
Location: Fayetteville, AR
Posts: 13
Total Cats: 0
Default here's a couple camera phone pics

Thanks. Here's some pics.
Attached Thumbnails
New to miatas.  just bought a '90 with FMII Hydra-2010-05-08-18.47.51.jpg   New to miatas.  just bought a '90 with FMII Hydra-2010-05-08-18.44.47.jpg  
Senor Aguas is offline   Reply With Quote
Old 06-07-2010, 12:03 AM   #4
Senior Member
iTrader: (3)
 
Join Date: May 2005
Location: Mass.
Posts: 816
Total Cats: 41
Default

I assume you've done your research but if you haven't ...

1. Read up on the short nose crank on '90/'91's. An improperly installed t-belt/crank pulley can lead to a chewed up crank nose. A new woodruff key, bolt and quality/calibrated torque wrench is a must.

2. Buy a 1.8 rear diff swap now (if the car hasn't already been upgraded) because your 6" diff will eventually fail.

-Zach
thasac is offline   Reply With Quote
Old 06-07-2010, 09:18 AM   #5
Newb
Thread Starter
 
Join Date: Apr 2010
Location: Fayetteville, AR
Posts: 13
Total Cats: 0
Default

Thanks. I've read about the problem, and my car is one of them, but kinda forgot about being able to do something about it.

I forgot to mention that the previous owner already upgraded to the 1.8/LSD.
Senor Aguas is offline   Reply With Quote
Old 06-07-2010, 09:55 AM   #6
Elite Member
iTrader: (2)
 
fooger03's Avatar
 
Join Date: Jan 2009
Location: Columbus, OH
Posts: 4,132
Total Cats: 187
Default

Quote:
Originally Posted by Senor Aguas View Post
There's one minor issue. Sometimes at high rpm (6k or more), the car misses, or coughs.
Replace your spark plugs and plug wires.
fooger03 is offline   Reply With Quote
Old 06-09-2010, 10:00 AM   #7
Junior Member
iTrader: (6)
 
Join Date: Jan 2006
Location: St Johns, Fl
Posts: 378
Total Cats: 0
Default

Also, search around here regarding plug choice and gapping. You may need to gap them down if it's occurring at high boost.
clay is offline   Reply With Quote
Old 06-09-2010, 12:30 PM   #8
Newb
Thread Starter
 
Join Date: Apr 2010
Location: Fayetteville, AR
Posts: 13
Total Cats: 0
Default

Thanks, I'll also be looking for any relatively easy ignition upgrades.
Senor Aguas is offline   Reply With Quote
Old 06-09-2010, 02:08 PM   #9
Elite Member
iTrader: (2)
 
fooger03's Avatar
 
Join Date: Jan 2009
Location: Columbus, OH
Posts: 4,132
Total Cats: 187
Default

Quote:
Originally Posted by Senor Aguas View Post
Thanks, I'll also be looking for any relatively easy ignition upgrades.
I'm still looking for one of those!!
fooger03 is offline   Reply With Quote
Old 06-09-2010, 03:05 PM   #10
Newb
Thread Starter
 
Join Date: Apr 2010
Location: Fayetteville, AR
Posts: 13
Total Cats: 0
Default

Yeah, so far with my searches I've seen the Toyota coil on plug setup. Doesn't look terribly easy...
Senor Aguas is offline   Reply With Quote
Old 06-09-2010, 03:28 PM   #11
Newb
Thread Starter
 
Join Date: Apr 2010
Location: Fayetteville, AR
Posts: 13
Total Cats: 0
Default

As far as plug and play, I see:

Moss Motors performance coil. $289 (can't find anything about it using search)
Boundary Engineering WeaponX coil on plug. $439 (a search shows this to be a risk, and completely unproven).
Senor Aguas is offline   Reply With Quote
Old 06-11-2010, 03:42 AM   #12
Senior Member
iTrader: (3)
 
Join Date: Aug 2005
Location: Gig Harbor, WA
Posts: 504
Total Cats: 3
Default

Welcome aboard.

Quote:
Originally Posted by Senor Aguas View Post
Yeah, so far with my searches I've seen the Toyota coil on plug setup. Doesn't look terribly easy...
The hardest part about doing the toyota COPs is making the mounting bracket. You have a hydra so you can adjust the dwell w/o having to build/buy a circuit.
TurboRoach is offline   Reply With Quote
Old 06-12-2010, 10:54 PM   #13
Elite Member
iTrader: (22)
 
Join Date: Dec 2006
Location: Sunny Spanish speaking Non US Caribbean
Posts: 3,257
Total Cats: 3
Default

Quote:
Originally Posted by TurboRoach View Post
Welcome aboard.



The hardest part about doing the toyota COPs is making the mounting bracket. You have a hydra so you can adjust the dwell w/o having to build/buy a circuit.

+1 on what roach says. I'm the most mechanically challenged guy on this board and I was able to do my Toyota COPs. They've never given me any issues and I've been running my car with them for over 1 year now.
Rafa is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
Project Gemini - Turbo Civic on the Cheap Full_Tilt_Boogie Build Threads 58 Yesterday 10:04 PM
Need help - Stock Balancer and Fastforward overlay pulleys Frank_and_Beans Supercharger Discussion 13 09-12-2016 09:17 PM
Noob to Miataturbo from MA JxPhan Meet and Greet 3 10-02-2015 03:17 AM
Bizarre connection issue? nick470 MEGAsquirt 1 09-30-2015 11:32 PM
Odd Steering issue interestedofold Suspension, Brakes, Drivetrain 5 09-29-2015 02:42 PM


Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -4. The time now is 01:23 PM.