SLP cai owners....
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TECH Enthusiast
Joined: Jul 2005
Posts: 732
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From: Herndon, VA
SLP cai owners.... Did you seal the front of the air box? If you don't use the seal for the front of the air box do you lose air pressure in the box, or does it pick more from air coming in the front, too?
i dunno if i was a ws6 car id think about leavning it open but for a non ws6 id close it off ..personlly i removed the part one i got my ws6 hood it was blocking too much air from my radiator, mabye people in other climates have had better luck but down here its just too dam hot to be making your radiator work harder
On The Tree
Joined: Sep 2004
Posts: 100
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From: San Diego, CA
Originally Posted by FUN LS1
Did you seal the front of the air box? If you don't use the seal for the front of the air box do you lose air pressure in the box, or does it pick more from air coming in the front, too?
The instructions say to not seal it on SS ans WS6 cars.. right now it's not sealed..
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I left mine unsealed on the SS. There is no significant
pressurization from the SLP CAI ot the SS hood, it's
all very low pressure.
The air from the SLP CAI is hotter than the air from
the hood ducting, according to the IAT readings. By
a lot, if you're sitting. And it takes a long time to
cool off that stainless heat sponge.
-Maybe- on a Z/28 you would want to seal the box,
I have no good idea how the inlet airflow gets to the
air slot on the standard hood cars. It might still be
cooler air than the CAI duct's.
Ram air is a hoax in this context. If you were getting
meaningful pressurization against the front of the radiator,
even 1PSI, that would be something like 400lb of nose
drag (1PSI*24"*15" radiator face) and you'd notice that,
trust me. If the CAI is pressurized so is the radiator. It
ain't; only the claims are inflated.
All you are looking to do is reduce restrictions (air slot
is not much of one, IMO, on stockish plumbing, but mo
betta for air filter inlet cross section and eliminating the
"ramp" in the airbox is a bonus) and lower air temps
(here, caveat emptor, my results say it makes things
worse on an already-cold-air car).
pressurization from the SLP CAI ot the SS hood, it's
all very low pressure.
The air from the SLP CAI is hotter than the air from
the hood ducting, according to the IAT readings. By
a lot, if you're sitting. And it takes a long time to
cool off that stainless heat sponge.
-Maybe- on a Z/28 you would want to seal the box,
I have no good idea how the inlet airflow gets to the
air slot on the standard hood cars. It might still be
cooler air than the CAI duct's.
Ram air is a hoax in this context. If you were getting
meaningful pressurization against the front of the radiator,
even 1PSI, that would be something like 400lb of nose
drag (1PSI*24"*15" radiator face) and you'd notice that,
trust me. If the CAI is pressurized so is the radiator. It
ain't; only the claims are inflated.
All you are looking to do is reduce restrictions (air slot
is not much of one, IMO, on stockish plumbing, but mo
betta for air filter inlet cross section and eliminating the
"ramp" in the airbox is a bonus) and lower air temps
(here, caveat emptor, my results say it makes things
worse on an already-cold-air car).
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