whats the point??? mabey im missing something
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From: memphis, tennessee
whats the point??? mabey im missing something mabey ive missed something while searching on here but i can seem to find the answer im looking for
whats the point of havin the fast 90/90 w/ a stock maf and even a 85mm lid
or even if you have a 85 mm maf, you have a 90mm tb?
wouldnt it be restricted by the maf and lid?
you wouldnt put a 85mm lid n 85 mm maf on a 78mm intake n tb or the stock ones
i guess what im sayin is if i had a 78 mm lid n 78mm maf and 78mm tb/intake wouldnt that be a more matched setup?
i could see people going s/d tune the fast 90/90 but....
whats the point of havin the fast 90/90 w/ a stock maf and even a 85mm lid
or even if you have a 85 mm maf, you have a 90mm tb?
wouldnt it be restricted by the maf and lid?
you wouldnt put a 85mm lid n 85 mm maf on a 78mm intake n tb or the stock ones
i guess what im sayin is if i had a 78 mm lid n 78mm maf and 78mm tb/intake wouldnt that be a more matched setup?
i could see people going s/d tune the fast 90/90 but....
In my opinion.
Your touching on a good point but in the end what is truely the flow potential is the intake manifold + the cyl heads together. That is the #1 combination would be concerned with.
Even though the intake track (lid, Maf, Bellow) is smaller then a larger TB and intake manifold, the manifold still holds a volume of air. Only when all avalible air is being sucked in and it cannot be replenished fast enough under WOT will the intake track be a true restriction.
Once the trottle is backed off the manifold can replenish itself.
There are companies trying to make larger components to met the increased size, running stock isnt going to negate the increase of a 90/90 set up. Ive seen many dyno's showing a improvement over stock. Bettering the intake track may further add to the increase.
Your touching on a good point but in the end what is truely the flow potential is the intake manifold + the cyl heads together. That is the #1 combination would be concerned with.
Even though the intake track (lid, Maf, Bellow) is smaller then a larger TB and intake manifold, the manifold still holds a volume of air. Only when all avalible air is being sucked in and it cannot be replenished fast enough under WOT will the intake track be a true restriction.
Once the trottle is backed off the manifold can replenish itself.
There are companies trying to make larger components to met the increased size, running stock isnt going to negate the increase of a 90/90 set up. Ive seen many dyno's showing a improvement over stock. Bettering the intake track may further add to the increase.
mabey ive missed something while searching on here but i can seem to find the answer im looking for
whats the point of havin the fast 90/90 w/ a stock maf and even a 85mm lid
or even if you have a 85 mm maf, you have a 90mm tb?
wouldnt it be restricted by the maf and lid?
you wouldnt put a 85mm lid n 85 mm maf on a 78mm intake n tb or the stock ones
i guess what im sayin is if i had a 78 mm lid n 78mm maf and 78mm tb/intake wouldnt that be a more matched setup?
i could see people going s/d tune the fast 90/90 but....
whats the point of havin the fast 90/90 w/ a stock maf and even a 85mm lid
or even if you have a 85 mm maf, you have a 90mm tb?
wouldnt it be restricted by the maf and lid?
you wouldnt put a 85mm lid n 85 mm maf on a 78mm intake n tb or the stock ones
i guess what im sayin is if i had a 78 mm lid n 78mm maf and 78mm tb/intake wouldnt that be a more matched setup?
i could see people going s/d tune the fast 90/90 but....
Thread Starter
TECH Resident
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From: memphis, tennessee
Although the lids and MAFS are called 85mm, they are in fact bigger than that. The 85mm MAF has an ID of 90mm and our 85mm air lid has an ID of 98mm. That's why people with FAST 90 intakes and TB's switch over or eliminate the MAF all together and go SD tune.
thanks for clearing up my ?
The point you're missing is that the drop in air intaken
is a series of "soft" drags and not a hard limit. You're
moving a compressible fluid, not a bowling ball. Every
hole you make bigger helps some. Some more than
others.
is a series of "soft" drags and not a hard limit. You're
moving a compressible fluid, not a bowling ball. Every
hole you make bigger helps some. Some more than
others.
