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I live in Georgia .. my rx7 1980 does not have a carbulator and I buy the holley manifold but I need to know which holley is the one I need and someone who installs it and leaves all ready to run .. it is 12a stock engine
Your choices are to either get a genuine RB Holley or locate someone that knows BOTH rotaries and Holleys. The issue here is that it's not as easy as just getting a carb and bolting it to your manifold. RB made some pretty specific mods to make them work and the person needs to have a solid knowledge base. If you can find someone, then you don't even really NEED a Holley, your choices are then open to Edelbrock or any 4-barrel that bolts to the Holley bolt pattern.
You might be in luck though, I think there are a few guys local to you that may be able to point you in the right direction even if they may not be able to help you directly (I think most of them run Nikkis). I'm linking https://www.rx7club.com/se-rx-7-forum-35/old-guys-12as-club-meeting-675955/ here not for you to read per se, but for two reasons: (1) you can get some contacts and send a couple PMs, and (2) you can maybe attend one of the meets and well ... meet. As I said, they might be able to put you in touch with someone that can help you with a Holley.
Actually, I wanted to add a few more things before I leave ....
1. Holley is a really rough road around here, especially if you don't know anything about carburetors. There are not that many guys on the board that work with them, so support is hard to find unless you are local to someone that knows what they're doing. Even if you were to buy a brand new one from RB, it may still be hit-or-miss. Sometimes they work great out the box, sometimes they barely work at all.
2. You may want to consider finding a Nikki (assuming you don't have the one that came with your 12A). Support is FAR better and plenty of detailed documentation, literally at your fingertips.
I don't say any of that because of some dislike for Holleys or anything, I'm actually one of the few people that like them around here. However, I'm also the first to admit, they are NOT a walk in the park to get running right. I say it because I sense that you're probably not going to be hands-on with this, and if you're buying parts and paying someone to get the car running right, you may be in for a lot of frustration. When they work, they are awesome, but when they don't it's a bit harder to access resources, and the learning curve is fairly steep relative to Nikki or Weber/Weber-like. So if you want to proceed, just be warned. If you feel like you want to bail, now is the time before you've spent for more than just the manifold you got.
I bought a manifold racing beat of 4 holes and that's why I wanted to mount a carbulator like that because I like how it looks but that's why I need professional help to guide me through the best way
