I don't want to break your hopes but, I'm almost absolutely sure that s14 power brace WILL NOT FIT. It's true that s14 tension rod brackets are generally used on our cars for the s13 conversion, but you added another variable into the mix. That bar that connects them both makes them line up perfectly to the s14 chassis, however I'm 99% sure that the distance between the two brackets is different for the s12.
If you're really seriously about a powerbrace for the tension rod brackets, it's not too hard(or expensive if you go to a shop) to weld a bar and small gussets to the stock brackets(after much measurement) and box in the bottom of the brackets.
It's okay, I like honesty. I live to learn. Now that you mentioned that, I should have looked first. I saw it at such a good price I bought it without thinking/researching. I guess I'll have to crawl under my car this weekend and hold up the S14 power brace up under the car to see if it'll fit, maybe take some distance measurements. If it does not fit, I guess it's going to a buddy with a stock s14. He'll pay what I paid for it...already asked him.
I can't let you be the gineau pig only.
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Thanks for the compliments Jason. Making me blush...
On a serious note though, one of these days I'm gonna have to come down and check out your never-ending project. You and Sterling are great guys yourselves, glad to have you guys on the forums.
I also need to buy hubcentric rings for the rims before it kills my wheel bearings. Hub bore on the rims are a little too big for the s12.