Help needed with mazda rotary aftermarket intake manifolds

[kirkendoll]

I have two intakes and I'm trying to figure out which intake fits which engine. Both intakes do not have any kind of part number on them. They are both 4 port but the flanges that mount the intakes to the block are different, one is wider than the other. I was just wanting to know which width flange goes to which model of engines. I will be able to get pics later.

Thanks Luke

 

[toxcrusadr]

Hello fellow Mazda owner. MX-6 here. I'm thinking there has to be a forum for that...I found an MX-6 forum on the web, believe it or not. Hopefully someone here will know, but if not, look for the RX-7 gurus.

 

[bigx5murf]

What car, and what motor? Is there a difference in which one fits the fuel rail properly?

 

[kirkendoll]

One of the intakes is for squarebore Holley carb and I'm sure it fits the 12a and 13b engines. The other one is made for a weber carb and has a narrower block mounting flange than the other making it hard to pinpoint which style engine it goes to.

 

[bigx5murf]

Ah, carb rotaries, I'll have to get back to you on that. I do know an excellent rotary mech locally.

 

[TPettenati]

Try asking the question on rx7club.com
Knowledgeable folks there.
I've owned two RX-7s, but never had to take the engine apart.