More custom plenum facts!

[boost_boy]

since you are "boost boy" no will will question why you wouldn't flow test it. but why wouldn't you get it flow tested which the cost is minimal when you have spent so much money on the engine.

i would be just a nice thing to know and have in the back of your mind that it may not cause any probs? just my thoughts that's all.

a lot of people claim to be experts, of which i dont, but results on paper speak louder than words.

Since I don't weld, I don't fabricate, and am not in the market to sell intake plenums, I am not worried about the construction of my plenum. It's a custom/ one-off piece that was given the attention to accomodate my engine's mods and specs, so I feel in my mind and mechanical knowledge that it will suit me just fine.

I look at it like this, the thing is heavily port-matched by myself, meticulously assembled by one of the more credible welders in my area and designed with a few of my own personal desires in mind. The same meticulous detail put into this manifold happily flows turbocharged air to a few 550-632whp KA24DE-t S13s that I personally have either driven or have watched in action. So you can flow your plenums for production sake, mine is just fine the way it is "unflowed" and ready to serve me.

since you are "boost boy" no will will question why you wouldn't flow test it. but why wouldn't you get it flow tested which the cost is minimal when you have spent so much money on the engine.

i would be just a nice thing to know and have in the back of your mind that it may not cause any probs? just my thoughts that's all.

a lot of people claim to be experts, of which i dont, but results on paper speak louder than words.

Check this out, no doubt my plenum is much larger than stock and my T-body is much larger as well. My head is heavily ported, cammed-out, solid lifters, racing valve springs, yadda-yadda. But in all actuality, all that wonderful air that will be flowed through your plenums and my plenum still have to be compressed through those little 8 holes that connects to the cylinder head.

I figure you port the hell out the butterfly section and the intake ports on the head, and the stock manifold will do just as good as your plenum and my own; less the bling effect.

Dee

[Turbogixxer]

since you are "boost boy" no will will question why you wouldn't flow test it. but why wouldn't you get it flow tested which the cost is minimal when you have spent so much money on the engine.

Flow the intake would be only one piece of data. Regardless what it flows, factors outside flow can not be tested by flowing it. CFMs are not everything when it comes to making power. Gas inside of a engine is unsteady, it is hard to react that on a flow bench and/or show other factors outside of flow.

But in all actuality, all that wonderful air that will be flowed through your plenums and my plenum still have to be compressed through those little 8 holes that connects to the cylinder head.

Yes, but the way the air enters and is moved inside the runners makes a big difference.

[nab911]

Yeah, why do you think better designed intake piping helps... it all has to go through the same throttle body.

[Jezz_s13]

Yeah, why do you think better designed intake piping helps... it all has to go through the same throttle body.

flowing the plenum and runners isn't necessarily all about getting high flow, might not be about it at all depending on application, it's all about trying to equalise the volume of charge going into each cylinder.If they are vastly different then you will have some rich, and some lean cylinders unless you have a really smart ECU and a EGT and/or WBLS for each cylinder.

You don't want any single cylinder running hot do you.

[boost_boy]

flowing the plenum and runners isn't necessarily all about getting high flow, might not be about it at all depending on application, it's all about trying to equalise the volume of charge going into each cylinder.If they are vastly different then you will have some rich, and some lean cylinders unless you have a really smart ECU and a EGT and/or WBLS for each cylinder.

You don't want any single cylinder running hot do you.

Hmmm, very good feedback on this topic and I'm sure there's plenty of eyes watching this post. I've seen some valid points get made, but in the end people will make their own decisions and whatever decision everyone makes, I wish us all the best at achieving whatever goals we set out to accomplish. To flow or not to flow.....You choose

Dee