505 Intake Manifold COMPLETED!

[505zoom]

If u think about the flow, picture it flowing like water.
That volume of air will inevitably feed the 1st, 2nd and 3rd velocity stacks before reaching the 4th. You dont want to risk starving that last cylinder's air flow!
I think the angle deflects the flow and induces an additional vortex near the end of the chamber, ensuring plenty of available air flow.
(whip)


I love those stax! (godown)(godown)(godown)

Spot on... in addition to that, the plenum roof is tapered slightly over the entire length to help feed the further cylinders. It doesn't have to be much, but it is there.

Lookin' good.

Man, that head flange is super thick.

Is that going to be machined to accept the injectors and will there be bosses for the stock fuel rail?

The flange will be flycut after welding. It is 3/4" thick right now, but will get machined down to the stock thickness of 1/2". We want to make sure it is perfectly flat to seal up properly on the motor, and any bit of warping from the welding will be dealt with when we machine it down.

And of course there are going to be injectors in the flange... if there wasn't, the car wouldn't really be going anywhere. All the stock stuff will hook right up to it.

Injector bungs are machined in last, after assembly? Looks great BTW

Thanks bud. Yes, the injector holes will be done last, because they are so close to the runner/flange junction that if we did them before welding, they would get lopsided and the injectors wouldn't seal right. After everything is welded up, we're machining those into the flange.

Just wondering about the flow on this thing....are you confident all runners will flow equally or close? Just asking...not sure what the science behind all this is but to me...it looks like cylinder 4 has a sharp turn.

Yes I am very confident that they will flow equally after seeing this thing on the 3D computer flow software. Between the slight taper across the entire plenum, and the angled end cap, the flow will be perfect.

Looks great. Good call on perfecting the floor area and air horns. Much nicer piece because of it. It may take longer, but it is so obvious when somebody takes the time to put out a quality product. Cheers.

Thanks man, yeah I am real happy with the new velocity stacks. That is how they were designed to be, and it only took one tiny little miscalculation when Kelly and I were inputting the data into the CNC software. We needed to double the radius to get our thickness, and we overlooked that and put it in as half the needed value. That tiny mistake made those pointy stacks that you can see on the first plate, and it is nice to see them how they were supposed to be.

you should sell it like it is, duct tape/cardboard runners n all. i'm sure it would have most excellent gains lolz

I will sell you a FULL tape/cardboard version if you would like, just don't run very much boost on it please.

 

[orng1]

lol cardboard, it'd get crushed even in vaccum.

 

[turbolife]

PICS!!!

<3 (headbang)

Will the runners be welded flush to the OD of the bottom of the "velocity stacks/bellmouth", or will they be slightly larger than the OD of the bellmouths?

 

[steedspeed]

The end cap being at an angle is just better for flow purposes, instead of the air hitting a straight wall at the end, it will be angled downward towards the floor.

Final weight is 4.8 lbs.
Stocker weighs in at a portly 15.6lbs.

For anyone that is interested I am thinking of making an intake manifold from lead which will weigh 600 lbs and flow half as much air as a Mcdonalds straw. It won't make any power but the weight over the wheels will give you awesome traction! It can be supplied in polished lead finish or covered in glue and rolled in either breadcrumbs or feathers.

Nice manifold 505! Can't wait for the seat of the pants dyno result. Should sound cool too. I'm glad to see I'm not the only person that has to make multiple components to get it right lol!

 

[S.A.MSP]

you're going to rev your motor to 8K?

probably not but it will be possible

 

[2.0t03speed]

For anyone that is interested I am thinking of making an intake manifold from lead which will weigh 600 lbs and flow half as much air as a Mcdonalds straw. It won't make any power but the weight over the wheels will give you awesome traction! It can be supplied in polished lead finish or covered in glue and rolled in either breadcrumbs or feathers.

Nice manifold 505! Can't wait for the seat of the pants dyno result. Should sound cool too. I'm glad to see I'm not the only person that has to make multiple components to get it right lol!

oooooooooooooooooooooooo ill give you 5 bucks if you come install it for me will you be making a support bracket to keep it from ripping my front motor mount out lol.

 

[terbow]

For anyone that is interested I am thinking of making an intake manifold from lead which will weigh 600 lbs and flow half as much air as a Mcdonalds straw. It won't make any power but the weight over the wheels will give you awesome traction! It can be supplied in polished lead finish or covered in glue and rolled in either breadcrumbs or feathers.

Nice manifold 505! Can't wait for the seat of the pants dyno result. Should sound cool too. I'm glad to see I'm not the only person that has to make multiple components to get it right lol!

Ill only get the breadcrumbs if u use panko breadcrumbs. Everyone knows those are the highest quality.

 

[2.0t03speed]

i think i actually want the feathers becuase then my car actually might "fly" down the road lol

 

[505zoom]

<3 (headbang)

Will the runners be welded flush to the OD of the bottom of the "velocity stacks/bellmouth", or will they be slightly larger than the OD of the bellmouths?

The ID of the pipe will butt right up to the ID of the stacks. They are a dead on match.

For anyone that is interested I am thinking of making an intake manifold from lead which will weigh 600 lbs and flow half as much air as a Mcdonalds straw. It won't make any power but the weight over the wheels will give you awesome traction! It can be supplied in polished lead finish or covered in glue and rolled in either breadcrumbs or feathers.

(rofl2)

Nice manifold 505! Can't wait for the seat of the pants dyno result. Should sound cool too. I'm glad to see I'm not the only person that has to make multiple components to get it right lol!

Thanks steed! Yeah I can't wait to see how she does too.

 

[505zoom]

AMM status confirmed!

I'll start up the preorder GB thread tonight, and will post up a link in here.

(rockon)

 

[2.0t03speed]

O Snap Son!

 

[terbow]

Im all over this like Musca domestica on fecal matter.

 

[2.0t03speed]

...rofl

 

[S.A.MSP]

I'm in there like swim wear

 

[kamon8404]

Wow, GB thread already.

 

[2.0t03speed]

yep rich is actually writing up the thread as we speak

 

[505zoom]

Thread is up, any of you guys who are interested please check it out and confirm where you stand.

http://www.mazdas247.com/forum/showthread.php?t=123699500

Thanks guys.

 

[2.0t03speed]

o snap flock to the gb thread everyone lol

 

[igdrasil]

Good stuff man. If this GB runs good, I may consider it.

 

[joka1]

I would like to see a finished product prior to deciding, Sorry the duck tape looks good but I would like to see a final proto type fully assembled, some dyno numbers compared to stock maybe?!

Rob