Anyone interested in a custom RB25 center mount intake mani?

[IowaRB240SX]

I am working on a custome intake manifold that after some flow testing will be better than the stock one. And it won't have the effect on Cyl. 5 & 6 like the front facing. It will be aluminum, and will accept all stock tb's and sensors. Plus, have Vacuum/boost nipples on it. It is still in the design stage and will make a prototype withing the next couple weeks to get on the flow bench.

[ehacker01]

I would be interested. any preliminary cad images yet?

[IowaRB240SX]

Not here, some at work.

[narfdanarf]

what's going to keep the 3rd and 4th cylinders from running lean?

[IowaRB240SX]

Tossing up the idea of baffles in front of them to slow the air and devide it more evenly. I am making a few designs and will test them all to see what works best.

I can't email my cad pics home because my company monitors emails. And I am not supposed to be working on this project there. Wouldn't want to get fired.

[Andrew85cm]

I would also like to see some cad drawings. This would be nice for rb25 or rb20 like mine. That is if you can get by the leaning of certain cylinders and could make the overall flow better than stock. Make sure the homework is done and flowtested and ish. I'm sure you will and I am excited to see some ideas you come up with.~ANDREW~

[ARGAMEMENON]

Most log style front facing intake manifolds, and those that have the TB directing air down the backbone of the manifold flow most of the air into the 5th and 6th cyl, RIPS manifold included. For anyone that does not believe me, take a front facing intake manifold and stick it out the window going down the highway so that the TB is facing diectly forward (to simulate forced induction air). All of the air will flow out of the 5th and 6th runner, maybe some out of the 4th. If you change the angle of the TB, so that it directs air towards runners 3 and 4, it will flow out of all 6 runners. It is a simple test that can show you alot. Just don't drop the manifold:freak

So, if people have no problems running a RIPS front facing manifold, a similar shaped manifold with the TB direced at the center will only provide better results.

A front facing manifold, when done properly, will flow evenly to all cylinders.

[Joe]

DISCUSSION on this is permitted, as soon as it turns into a for sale thread i have to lock it and refer you to greg to become an advertiser. ive edited posts to reflect this. any questions or problems please contact me.