FAQ: SRI vs CAI
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FAQ: SRI vs CAI - 7/16/2006 5:06:46 PM
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03Sleeper
Posts: 1894
Joined: 6/15/2006
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Ahh...I've compiled a list of its advantages and disadvantages. Hopefully, this will solve some issues...it definitely cleared up my mind about each.
Cold Air Intake (CAI)
PROS: Since its farther away from the engine it get colder air wich carries more oxygen thus creating bigger explosions in the engine thus giving more horse power.
CONS: Since its a longer pipe it takes longer for the air to get to the engine (less throttle response), since its closer to the ground there is a risk of getting water into the engine causing it to stop.
Neutral: Poorly designed CAIs can gain little, no, or even lose power.
**The cold air intake may have risks but they can be avoided by intaling a bypass valve which is designed to take in large volumes of air with a sudden thrust of the gas pedal and will safely level off and switch to your primary air filter as you coast on the highway. **
Short Ram Intake:
PROS: Smaller pipe so air response is faster, almost no chance of water getting into engine.
CONS: Since it is closer to the engine it heats up when the car is at a stop and delivers hot air with less oxygen molecules causing the HP to go down.
Neutral: Louder, deeper sound- pro to some, con to others
** Temperature difference is gone when the car is in motion, there is enough air flow to forceably scavange hot air out of the engine bay to be replaced by colder air. **
**However, SRIs with a well designed heat shield can lessen the issue of hot air.**
Note: At any rate, a "good" CAI vs a "good" SRI are practically equivalent when at speed.
Bottom Line:/Any intake is better than a stock intake because the internals of the after market intake is smoother and tested to perform better than stock. stock intake air boxes allow LESS air than moded intakes. MORE air = MORE power!
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2003 Accord LX Sedan I4| 5AT 101045
Injen SRI w/ AEM Dryflow| DCSports Ceramic Headers| DENSO IK20 Sparks| CF Front Strut Bar| Pioneer TSG950M 6x9s| Alpine SPS17C2 6.5"| C-Tek Slotted/Drilled Rotors | Progress 24mm Rear Sway Bar
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RE: FAQ: SRI vs CAI - 7/16/2006 9:42:23 PM
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marbro
Posts: 1478
Joined: 1/16/2006
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air bypass still lets in hot air from the engine, the only real chance of hydro lock is if you drive through a puddle thats large enough, otherwise driving through extremely heavy rain wont ever cause a problem.
Even though CAI pulls in cold air you still will be pulling in hot air after the car is on long enough.
To improve things in general, use thermal wrap to block cars heat and this can be done on both the shorty and the cai
and they both sound the same, your just changing the position that the sound is coming from with the cai
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RE: FAQ: SRI vs CAI - 8/4/2006 8:42:11 AM
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marbro
Posts: 1478
Joined: 1/16/2006
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where ever the mood takes you ^_- im running a CAI and ive driven through heavy rain multiple times without a bypass valve and i have no issues, but its going to be pulled out when i put a turbo on anyways
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RE: FAQ: SRI vs CAI - 8/4/2006 2:15:38 PM
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sir_nasty
Posts: 6303
Joined: 2/23/2006
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Okay so I'm going to take a random stab at that question based on what little I know about turbos.... a Turbo works by "spooling up" off of exhaust fumes and as it does that it forces more air into your intake so you need an intake that works with the turbo.... Long and Short of it: No you can't use a CAI w/turbo but there's no reason why you would want to anyway...
_____________________________
1981 Civic Station Wagon - ROhnda (Really Old Honda)
1981 Honda CB650 Motorcylce - WHEE What More can I say?
2000 Lexus RX 300 - Oooh baby my wife let me drive it once!!
Quote: Life''s great but it''s not all beer and skittles
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