4 replies to this topic

[Dusky]

Hi!

 

Anyone got the flowbench results of the maniflow hs2 inlet manifold?

As I always read its so much better than the original cast alloy manifold?

And won't a steel manifold like maniflow's rust like the exhaust manifold does?

 

thanks peeps :3

[Spider]

The Maniflow (and similar ones) work better because they have a smaller 'balance' pipe, I don't think (but happy to be corrected) that there's much difference in CFM flow.

 

The stock one with that silly huge log of a balance pipe tends to make one carb do all the work and they other a token effort.

[carbon]

Steel inlet manifolds don't rust like exhausts do.

 

Inlets stay cool, exhaust can get red hot. So the paint stays put on inlet manifold and stops rusting.

[Dusky]

Intresting :) Anyone ever tried blocking the balance tube?

[Bubblebobble]

Vizards book quotes standard cast with 1 1/2 su flowing 92.8 cfm , and a maniflow 5" steel inlet with 45 flowing 119.4  cfm . 

 

Not a direct comparison .

 

The difference between something like a minispares alloy unit and a maniflow , both for the same SU will be negliable .