First of all how the fuck do you get off calling Vlad a poser? He may be an asshole, but he's built more miatas than almost anyone in this forum.
Second of all, who cares about power at anything other than WOT? How many races have been won at idle?
Every 1.8 manifold is superior to the VTCS. That's been proven time after time.
What is your actual argument?

Begi can't even test their own manifold and had asked us to test it for them, yet you feel as if your attempt to validate your idiocy by sayin you will send it to begi for testing is going to prove anything? Clearly your reading comprehension is severely lacking.

Don't get too hasty Dimented, we have tested more manifolds than ever existed. Long, fat, skinny, wide, thin, up, forward, short, high, big, cast, squatty, horned, fabricated, and even stock.

I have yet to find the magic that works gobs better at every rpm. Sort of suggests Mazda didn't do a bad job on the stock piece.

Every manifold tested, save one, lost a few hp's at 4 to 5k, only to gain nicely at 5.5 +.
The biggest gain ever was right at 9%, the lowest was....... nevermind......rather dissappointing at best. Could only be explained by the intake valves failing to open or air flowing the wrong direction. It was really: Terrible Sorry, couldn't restrain myself.

Turbo hp costs lots per each. How much should an intake hp cost?

Always sketching on kleenex, or crapper paper trying to find the key to something better. A next design is in the works, but has only risen to the napkin stage.

Any suggestions made by the collective here will be both welcome and considered.

Corky

First off, acknowledging that there is contention between you and some folks on the forum over products that cannot be built by most people here, these small jabs really don't help the public image of the company.

Either way, all pettiness aside, I'd be interested in seeing comparisons just for the sake of a priori documentation so we can all move forward and stop getting stuck on these issues. Some are desperate to find an option to unlock mystical amounts of horsepower for extremely cheap, but I've always thought the best cars are the ones that run, not mere ideas drafted on paper and spreadsheets.

I'm curious about the old cast intake manifold and would be interested in seeing if a new foundry could be found to deliver the product at a reasonable price, and what small things like AFM/Extrude honing and portmatching etc etc would do when compared to the stock manifolds available.

It is quite true, that there is a lot to go into the design, and that there may be better places to focus on to get more net power for the same dollar. For most people here, the intake manifold is probably the last keystone to the car's performance potential. Until then, I'll continue to worry about maintenance and drivetrain.

please bring back the cast

$1500 and I will sell my cast begi manifold. Includes a mustang TB and remote IAC valve built by turbotim. I can have it shipped on Monday.

I might need a depowered rack before the manifold. But I'll keep this in mind if it's still around after tax return.

It was more of a sarcastic post. I don't really want to sell the manifold, even though several people have asked. If someone did offer me hand fulls of money at some value I would say yes.

[Utag]curly[/utag] also has gutted manifold dyno results.

Which showed losses from gutting.

Eggactly

my car has a thoroughly gutted 03 manifold. i mean, my car is like, a theoretical concept and all, a concept akin to debating if there is life on venus or what if dukakis won the 1988 election. anyways, once upon a time i made 400 minus 2 hp with it. somewhere in this forums power section theres the dyno graph. it held power to 8000rpm. there are pics of the mani in my build/rebuild/rebuild thread. i measured the plenum capacity at 1.5L and with the runner volume it came to 2L. I did this by using fucking water in a fucking sink and a fucking measuring cup.

Anyways, after I upgraded to the world's best turbo and ran 18 more pounds of boost I dynoed again at 360 dramatic horsepower. So there's two data points.

What would i have made with a squaretop? Sqop. It rolls nicely off the tongue. Say it out loud. "Skwa". "Opp". Squap. Now add in "Air". And a "Teh". SkwaAirTehOpp. God that is a lovely word. I don't know how much HP. Maybe 400 + two hp. Maybe 400 minus 4 hp. But the defninte result would be that I would have the luxury of uttering "SkwaAirTehOpp" with my real mouth not my finger wiggles more frequently. Shame.

idiocy my a. There is a need for better intake manifold and that's why this thread exists. I offered my gutted intake manifold for testing so that one is developed.

That is

Except thats already been tested.

Correct.
Stop being retarded or I'll have to purge the forum of your retardation.

This has been done. It has been tested. There is no discussion to be had. Find the info and accept it and stop killing people's brain cells with your retardation.

We are trying to have a discussion here. About actual power gains.

PS: flattop is king of oem manifolds, this has also been proven.

Nobody with common sense will follow the steps of a poser like you when all you do is critique and critique but... when have you actually designed or build anything?

Leave this thresd.for the big boys buddy. I actually have some pictures and ideas to share to help with the development of better intake manifold for the BP.

Pictures will follow shortly, later.

If you don't post actual content your next post will be your last.

I mean, dyno sheets don't lie when compared 1 to 1. :dunno:

Imo, a curved oem style mani similar or built off of the squaretop would yield higher net gains. Focus towards the square +1 and you'll find your answer.

Showing my ignorance, but what exactly do you refer to as the flat top?

corky

OEM on all 01-05 1.8 MX5 in every country except US and Canada.