1st Turbo FC3S S4 1987
Ill be honest with u. I'm watching the mazdatrix video just like u. I bought the motor from a jdm motor shop off florin perkins. Dropped her in and drove around for a couple of months till I blew my motor. I'm in the process of rebuilding my motor just like u.
About getting a rebuild in the Sacramento Area, I think i'm guna give Evil Genius Racing a chance, even though they aren't as reputable as I would like them to be.
Weight reduction time: Speaker tower removal, rear carpet removal, and removing bins.

Before/After lol

Strut brace very soon

Aproxx 31.6 lbs off the car, working on the sound deadening tar tomorrow

Before/After lol

Strut brace very soon

Aproxx 31.6 lbs off the car, working on the sound deadening tar tomorrow
Joined: Dec 2001
Posts: 10,630
Likes: 3
From: NY, MA, MI, OR, TX, and now LA or AZ!

I just about died reading that! I'll have to try that line on Landers the next time I try to mooch some parts off him.
What kind of goals do you have for the car? Planning those out early saves a lot of time, money, and work down the line! (Especially injector sizing, clutch, etc while the engine is out).
As for rebuilding it yourself: it's not a complicated process; however, there are a lot of tools that most people don't readily have (dial indicators, etc) that are quite important. Also, things such as clearancing the side seals, inspecting bearings, and checking end-play can be major pitfalls if they're neglected. The problem with new builders is they often skip steps or think they can get away with something not being "in spec." If you take your time and check everything, they're really not bad at all. Being organized helps a ton as well.
If you're sticking with the stock turbo (that one looks in dire need of a rebuild), now would be an ideal time to port the snot out of that wastegate.

I just about died reading that! I'll have to try that line on Landers the next time I try to mooch some parts off him.
What kind of goals do you have for the car? Planning those out early saves a lot of time, money, and work down the line! (Especially injector sizing, clutch, etc while the engine is out).
As for rebuilding it yourself: it's not a complicated process; however, there are a lot of tools that most people don't readily have (dial indicators, etc) that are quite important. Also, things such as clearancing the side seals, inspecting bearings, and checking end-play can be major pitfalls if they're neglected. The problem with new builders is they often skip steps or think they can get away with something not being "in spec." If you take your time and check everything, they're really not bad at all. Being organized helps a ton as well.
If you're sticking with the stock turbo (that one looks in dire need of a rebuild), now would be an ideal time to port the snot out of that wastegate.
Sound deadening tar removed somewhat.
Joined: Dec 2001
Posts: 10,630
Likes: 3
From: NY, MA, MI, OR, TX, and now LA or AZ!
PowerFC's are nice in that they are fairly simple to use. The only downside is the lack of programmable outputs/inputs and the fact that you need an adapter box (datalogit, FC-Hako, or ironically, the ones I just started building over in the PFC forum) to datalog or tap into all of the available features.
You will likely want this adapter from Banzai Racing (Banzai is good people) to run the PowerFC on a Series 4:
APEXi Power FC Adapter Kit (86-88 RX-7)
It will make life all kinds of easier! Any ideas on your power goals?
You will likely want this adapter from Banzai Racing (Banzai is good people) to run the PowerFC on a Series 4:
APEXi Power FC Adapter Kit (86-88 RX-7)
It will make life all kinds of easier! Any ideas on your power goals?
PowerFC's are nice in that they are fairly simple to use. The only downside is the lack of programmable outputs/inputs and the fact that you need an adapter box (datalogit, FC-Hako, or ironically, the ones I just started building over in the PFC forum) to datalog or tap into all of the available features.
You will likely want this adapter from Banzai Racing (Banzai is good people) to run the PowerFC on a Series 4:
APEXi Power FC Adapter Kit (86-88 RX-7)
It will make life all kinds of easier! Any ideas on your power goals?
You will likely want this adapter from Banzai Racing (Banzai is good people) to run the PowerFC on a Series 4:
APEXi Power FC Adapter Kit (86-88 RX-7)
It will make life all kinds of easier! Any ideas on your power goals?
Joined: Dec 2001
Posts: 10,630
Likes: 3
From: NY, MA, MI, OR, TX, and now LA or AZ!
Very reasonable goal. While the engine is apart, might as well go for a "streetport" or other moderate port job.
As with any modified rotary, my only suggestion is the following forum:
Auxiliary Injection - RX7Club.com
Anywho, looks like an interesting build. Diggin' the fact that you actually removed the speaker towers. Can't even count how many people just leave those things sitting in there and cut holes in them to fit their strut bars and such!
As with any modified rotary, my only suggestion is the following forum:
Auxiliary Injection - RX7Club.com
Anywho, looks like an interesting build. Diggin' the fact that you actually removed the speaker towers. Can't even count how many people just leave those things sitting in there and cut holes in them to fit their strut bars and such!
So we decided on putting in S5 NA rotors instead of the S4 TII rotors since there is a lack of turbo rotors and I want to get this thing going asap.
Old Rotors

Minor crack
Old Rotors

Minor crack




.