First test intake manifold (lots a pics)
You have the tooling, processes, and materials in place, and you have the ability to fabricate several parts with the intent to sell all of them. This keeps cost nice and low.
It's MUCH more expensive to make a first article (prototype). The tooling and support equipment has to be developed, any special processes have to be proven, and then they have to be tested. Once all this stuff is in place, it costs only a fraction to produce more of them. That first step is a big one. Yeah there are shortcuts to these, but to do it right (and not half-*** it) takes time and money.
It's MUCH more expensive to make a first article (prototype). The tooling and support equipment has to be developed, any special processes have to be proven, and then they have to be tested. Once all this stuff is in place, it costs only a fraction to produce more of them. That first step is a big one. Yeah there are shortcuts to these, but to do it right (and not half-*** it) takes time and money.
After the first one is made they are much cheaper obviously. The tooling / prototype is what costs the money.
Yes the quotes were for cast aluminum.
Evolving Member
Joined: Aug 2005
Posts: 282
Likes: 0
From: Mooresville, NC
yeah, doing cast would cost less in the end but much more up front. I would have assumed a sheet metal or sheetmetal/carbon combo. Of course they would be more hand built with the welding being the only substantial time in the construction process.
I miss this project too.... would have been a cool thing to actually produce. Oh well On to bigger and better things. If anyone does need anything to be designed or computer flow tested or any of that kinda stuff let me know
On to bigger and better things. If anyone does need anything to be designed or computer flow tested or any of that kinda stuff let me know
Yeah its all just something to do anyways
I learned alot from it and can apply alot of that to sheetmetal intakes which Ill probably start fabbing up near the end of this winter. Also gave me more insight on alot of the math needed which can also be used for headers which Ill make a few near the end of the winter also. Lots of projects with not enough time.
I learned alot from it and can apply alot of that to sheetmetal intakes which Ill probably start fabbing up near the end of this winter. Also gave me more insight on alot of the math needed which can also be used for headers which Ill make a few near the end of the winter also. Lots of projects with not enough time.
Hmmm well if you make an extra sheetmetal intake, let me know. Coming from a family of engineers (albeit not being one myself), I would much rather have an intake that's been flow-tested and properly engineered than an intake that Joe Mechanic welded together because it looks like it would "get more air in there".
Last edited by arpad; Jan 9, 2007 at 04:29 AM.
Just to be sure, did you check out http://emachineshop.com/ ?
Evolving Member
Joined: Aug 2005
Posts: 282
Likes: 0
From: Mooresville, NC
sounds a lot like me...my evo intake manifold is on the back burner behind a few shortblocks, head port tests and cam designs for mitsu's and subies. Also doing an oil pump for the subies...
I'll be really interested to see what you find, might keep me from having to actually start crunching numbers
Do you have a flow bench for varifying numbers? also testing through a head with correct size bore?
I should drop you a line.
I'll be really interested to see what you find, might keep me from having to actually start crunching numbers
Do you have a flow bench for varifying numbers? also testing through a head with correct size bore?
I should drop you a line.
Last edited by homemade wrx; Jan 24, 2007 at 10:15 AM.