What is the best intake.

[jules325i]

I have a 2.9 stroker 10.5:1 compression, with 272 schrick cam
(on engine stand still.)

I was just wondering what intake to use.

What is extrude honed intake as seen on IE?

[Justin B]

Best? ITB's and standalone. DBilas, or custom sets.

Something not so wild. EH should help.

[Justin B]

Something from the M20 wiki actually...
"-Extrude hone intake: an abrasive clay-like material is fed through the manifold to eliminate imperfections deep inside. Costly and worthwhile only if building larger stroker."

Basically porting your intake manifold.

[jules325i]

All the itb setups i come across like dblias are way to big.
And making a custon one is just so time consuming.

[Justin B]

Not really. I'm talking about buying DCOE adapter plates for the intake runners (a dbilas part is available but the most expensive of a couple options), then sourcing 3 DCOE style throttle bodies in 35 or 40mm. I am building a 3.1L for my 02, someday, and am looking at the jenvey throttle bodies www.jenvey.co.uk . Add air horns and filters, or actually fab up an airbox with foam, cover in 'glass and melt the foam out with acetone or something. Dbilas and 100% homemade are not the only two options.

[digger]

Not really. I'm talking about buying DCOE adapter plates for the intake runners (a dbilas part is available but the most expensive of a couple options), then sourcing 3 DCOE style throttle bodies in 35 or 40mm. I am building a 3.1L for my 02, someday, and am looking at the jenvey throttle bodies www.jenvey.co.uk . Add air horns and filters, or actually fab up an airbox with foam, cover in 'glass and melt the foam out with acetone or something. Dbilas and 100% homemade are not the only two options.

that is what i would do aswell...........but to the OP get it running on the standard manifold first

[Justin B]

Agreed ^

[jules325i]

cheers maybe one day.
Is the extrude intake good bang for buck.

[digger]

cheers maybe one day.
Is the extrude intake good bang for buck.

leave it standard, then get an extrude hone and do a back to back dyno test so you can tell us.....TOFTT

i doubt than a mm or two larger bore is significant enough to warrant $800 or whatever it would cost to get it done and shipped to Oz