Drivetrain New IC Diverter
New IC Diverter
Ok, ive been toying with an idea ive had for a while here, ive finally gotten around to making a paper 1/4 scale replica of my IC Diverter.
Im one of the people that sees the Stock IC as the way to go, as it would seem a larger IC negates its purpose by blocking more of the scoop area.
Instead of having it seal to the bonnet all the way around, mine only seals at the front and uses another scoop to direct air into the top of the IC. The stock diverter has a small scoop shaped catch at the back of the diverter, I just extended it all the way to the front.
I plan on trying to get a full size working prototype done soon and trying to run some tests with it to see if it does much of anything.
Oh yeah, tolerances will be a bit closer on the full size project



Im one of the people that sees the Stock IC as the way to go, as it would seem a larger IC negates its purpose by blocking more of the scoop area.
Instead of having it seal to the bonnet all the way around, mine only seals at the front and uses another scoop to direct air into the top of the IC. The stock diverter has a small scoop shaped catch at the back of the diverter, I just extended it all the way to the front.
I plan on trying to get a full size working prototype done soon and trying to run some tests with it to see if it does much of anything.
Oh yeah, tolerances will be a bit closer on the full size project



My little dose of LITHIUM
iTrader: (1)
Joined: Jul 2005
Posts: 2,435
Likes: 2
From: Albuquerque New Mexico
Looks interesting. I am currently fabricating a diverter also, and have the M7 scoop. I notice that the stock IC is off-center by about 2 inches to the left) and so your IC scoop (the one on the cooler) will have to mate to the bonnet scoop with some kind of flex coupling that is quite offset. Have you addressed that problem?
cheers,
cheers,
The bonnet will mate to the diverter using either a thick foam or rubber weatherstripping.
on the right side, the weatherstrip will just be angled towards the scoop, so no air will be able to pass anywhere around the diverter.
Im planning on using only the front half of that black panel that goes up into the scoop on the bonnet itself to help seal off the scoop.
on the right side, the weatherstrip will just be angled towards the scoop, so no air will be able to pass anywhere around the diverter.
Im planning on using only the front half of that black panel that goes up into the scoop on the bonnet itself to help seal off the scoop.
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keep going! your on the right track. While I upgraded my IC - I have spent alot of time working on "air management". I though these were two key factors -
A) Ensure whatever air goes in the scoop has no choice but to exit via the IC. Things to consider - extend the bottom front so air does not have an escape route between your diverter and the hood scoop. Remove stock hood piece? Seal between your diverter and the stock hood scoop?
B) Directing air thru the IC. Here is my theory on this - a vertical IC gets air evenly running thru at all/any speeds BUT a horizontal IC (stock MCS) only has air evenly running thru it when the scoop is at full pressure (i.e. high speed). The biggest weakness of out horizontal units is at "under full pressure" (low speed). The stock IC attempts to direct air thru two points (1) the back wall sealed w/ foam and (2) the center plastic curved piece).
The more you can "divert" air (i.e. spread) thru the IC the more effective it will be. So minimally you want to retain that center diverter but if you could add a 3rd, I believe it would be more effective at low speeds.
As I said I replaced my IC and it has a significant angle compared to stock so I added 6 MINI diverters which I believe aid the IC at lower speeds spreading the air thru the IC unit. Here is a pic to give you ideas but the flatter stock unit will be more challenging.


These little fins are attached w/ JB weld. While JB weld is very strong, I am able to pop the diverters off without damanging the IC unit so you can experiment w/out worries. The only test I am able to conduct is the old horn hand test. After running the car I can barely touch the left horn while I can keep my hand on the right horn all day.
Good luck.
A) Ensure whatever air goes in the scoop has no choice but to exit via the IC. Things to consider - extend the bottom front so air does not have an escape route between your diverter and the hood scoop. Remove stock hood piece? Seal between your diverter and the stock hood scoop?
B) Directing air thru the IC. Here is my theory on this - a vertical IC gets air evenly running thru at all/any speeds BUT a horizontal IC (stock MCS) only has air evenly running thru it when the scoop is at full pressure (i.e. high speed). The biggest weakness of out horizontal units is at "under full pressure" (low speed). The stock IC attempts to direct air thru two points (1) the back wall sealed w/ foam and (2) the center plastic curved piece).
The more you can "divert" air (i.e. spread) thru the IC the more effective it will be. So minimally you want to retain that center diverter but if you could add a 3rd, I believe it would be more effective at low speeds.
As I said I replaced my IC and it has a significant angle compared to stock so I added 6 MINI diverters which I believe aid the IC at lower speeds spreading the air thru the IC unit. Here is a pic to give you ideas but the flatter stock unit will be more challenging.
These little fins are attached w/ JB weld. While JB weld is very strong, I am able to pop the diverters off without damanging the IC unit so you can experiment w/out worries. The only test I am able to conduct is the old horn hand test. After running the car I can barely touch the left horn while I can keep my hand on the right horn all day.
Good luck.
My little dose of LITHIUM
iTrader: (1)
Joined: Jul 2005
Posts: 2,435
Likes: 2
From: Albuquerque New Mexico
I just added a panel at the front of the stock IC cover (nomenclature: the panel attached to the bonnet is the diverter, the cover attached to the IC is the ?cover?)
My panel bridges the gap between the front of the cover and the lip of the scoop--it's about 2" wide and angled slightly down from the plane of the IC. It acts to seal and direct the flow of air up into the cavity above the IC.
I think your design needs this too, Rick.
cheers,
phil
My panel bridges the gap between the front of the cover and the lip of the scoop--it's about 2" wide and angled slightly down from the plane of the IC. It acts to seal and direct the flow of air up into the cavity above the IC.
I think your design needs this too, Rick.
cheers,
phil
This may be a little off topic but the talk of an air diverter and mister got me thinking, Has anyone done a direct comparison of the Alta IC alone or using the mister vs GRS? What about mister of some sort on a stock IC?
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