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Yes, with a long slot in between the first and second plenums (and longer runners).

Here's a closer design:

dual_c10.jpg

In this design, the vertical slats help to smooth and direct the flow of air.

Here's a couple of pics for a sr20 using the above "dual plenum" concept.

sr_manifold2.jpg

sr_manifold.jpg

hey all,

so i have read this whole thread.. great info..

i see so much love for the plazmaman.. but still undecided on if i should go for this or the greddy..

how do they both compare with stock throttle body? will a plazmaman fit on a rb25 in a r32?

i want to make my car responsive (grip, drift, hill climbs)

i have herd the plazmaman are a pain in the ass to do work on the intake side of the car..

any tips/info would be good.. thanks!

Do you have any pics of the 40mm phenolic spacer?

Cheers

Justin

Here are some of Noel's:

spacer1.jpg

spacer2.jpg

spacer3.jpg

God those throttles are gorgeous, gotta get around to getting one, would finish mine off nicely me thinks. I see that they have slighlty changed the plenum with "Plazmaman" not being engraved on the top but now on the bottom.

gallery_35676_3285_1108098.jpg

I like the alloy boxes you have made Im doing some like that soon :)

Edited by dano4127

Thanks Daniel. the spacer can clearly be seen in the 2nd pic.

It not only lengthens the runners but even at track working the engine hard I can put my hand on the plenum. Whatever its made of it is brilliant insulation material.

can u still work on and remove injectors easy with a plazmaman?

Yeah the injectors aren't a problem. Honestly I don't find it a problem to work on anything with the plenum. The only thing which is a bit annoying is doing the oil filter but you get used to it or just buy a relocation kit. However mine is probably a bit more annoying than most because I have briaded fuel lines everywhere and the taking the filter out snags on them all and they aren't easy to move around like the factory rubber ones.

can u still work on and remove injectors easy with a plazmaman?

and is it worth biting the bullet and getting a 80mm throttle body straight up?

I am also wondering about an answer for these questions?

Anyone?

Cheers.

and is it worth biting the bullet and getting a 80mm throttle body straight up?

And this?

I will be using a Q45 throttle and I am wondering, what are the merits in this?

I was going to buy a P/M plenum but then i came across this puppy on ebay for pretty cheap which originaly had a 90mm GM throttle but i pissed it of in favour of a newer and in better condion Q45 model.

post-61308-1272444389_thumb.jpg

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