j9fd3s

you can use any 2 bar map sensor, they are all the same. the s4 t2 makes you add one wire but its not a big deal



mike

OKIERX-7

It should be alright for conservative driving, but it'll kill it real fast if you start running it hard.

I just got done pulling my NA tranny from my turbo motor. It lasted about 2000 miles. I wouldn't suggest using one unless you just like changing/swapping trannies in and out.

dac

What was the clue it was going out?



My N/A Tranny is making noise in 4th gear. Sounds like a bearing.

pengaru

man, my NA tranny is going out too but it's just been a slightly modded tired NA motor. People have said in the past things about these boxes being used without trouble in high HP miatas and such. I have my doubts, but you have to consider the fact that our FC's mostly have 100k+ miles on them, and these cars really encourage spirited driving and the transmissions go through alot of high rpm usage. I imagine if you rebuilt your NA trans it would be good for at least 50k miles in a 250-300hp application as long as you don't power shift the **** out of it. Alot of the people talking about their NA transmissions failing are referring to high mileage abused transmissions not surviving extreme abuse.



When I first started building my NA I shopped around for a TurboII trans etc, I've had a number of rx-7 shops tell me the same, unless you produce big power numbers (>= 300HP) and abuse the hell out of the trans (lots of drag racing), a good rebuilt NA transmission will go a long way. Otherwise it's just alot of time, money, effort, wasted on putting a driveline in a chassis that is probably a high mileage one with a tired motor in it anyways, and will just be slower with the beefier (heavier) drivetrain components. You're better off just finding a TurboII to start with rather than turning your NA into one

pengaru

dac, btw, what you need is a TurboII donor car, just find something with a totally fucked body, wrecked or just rusted to hell. Nothing is more frustrating than doing a swap like this and not having a car on hand to pull parts off of, going to junk yards every time you realize you need one little thing that takes hours to pull off with hand tools sucks ***.... I'm sure you realized how convenient having the NA donor for your zuki was.... the only problem with your creation is that you didnt use a TurboII donor instead! :P



good luck man.

dac

I've got a Haltech and 550cc injectors. I figured I just need to buy an engine and a transmission and once again have the driveline done (not sure if the Turbo and N/A are the same).



This will be my fall/winter project... but in the spring it will be time to paint!



(I sold my house... so I have to try to do this in an apartment... no garage... no room for any extra cars).

turborotor

Get a mazda truck pickup tranny, is the same TII tranny, all you have to is swap out the bell housing. Vosko, what year truck B2000 86?

C

dac

The guts may be the same but the externals are not. The B2000 has the shifter placed much closer forward than the RX7. So you'd have to swap the guts.

vosko

Get a mazda truck pickup tranny, is the same TII tranny, all you have to is swap out the bell housing. Vosko, what year truck B2000 86?

C[/quote]

86-89 i believe

OKIERX-7

Clue?! I only wish I had been that lucky. I had downshifted into second while turning into my bank. When I went to drive away from the teller window, I had the car in first gear but it went backwards instead. I couldn't get it out of reverse and had to park it.



Otherwise I never had any problems with the tranny. I would never grind the gears, and had no problems shifting. When the synchros blow out, the metal tabs that lock the gear sleeves into place get locked in position. Being as the 5th/reverse synchros are the weakest its usually the 5th gear synchro that goes because it sees the most HP. So, the 5th synchro breaks forcing the sleeve to become locked to the reverse gear. You'll never know it happened until its too late.