 cai troubles again..., track testing |
 Oct 16, 2003 - 1:25 AM
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 Enthusiast  Joined Nov 13, '02 Currently Offline Reputation: 0 (0%)  |
ok, well i just got back from sacramento raceway. i had a good time and all, but i was really disapointed with the times i got. the last time i went there my best time was 17.58, that was with my shortram intake. now i have a cold air intake, and after a few runs my best time came out to be 17.62. can somebody help me? can it be the diameter of my intake? i am running 3" diameter on the intake pipes. if so i think im just goin to go and make one with a 2.5" diameter. what do you guys suggest?
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Oct 16, 2003 - 2:23 AM
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Enthusiast Joined Apr 14, '03 Currently Offline Reputation: 0 (0%) |
how long ago were you at the track the first time?
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Oct 16, 2003 - 2:27 AM
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 Enthusiast Joined Jul 12, '03 From Chatham, Ont Currently Offline Reputation: 0 (0%) |
Well considering the gains of a cia on a n/a engine I wouldn't even bother installing one. Besides a "cool" noise your not going to get much out of one. Get a turbo or build up your engine if you want it fast.
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Oct 16, 2003 - 2:40 AM
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 Enthusiast Joined Oct 1, '02 From Minnesota, USA Currently Offline Reputation: 0 (0%) |
Yeah well, it all depends on when you went to the track like 5sfeturbo said. It also coulda been driver dependent, because gains of a CAI are so miniscule...that you could have just been having not a good of day with your shifting or whatnot.
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Oct 16, 2003 - 12:04 PM
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 Enthusiast Joined Aug 29, '02 From ny to philly Currently Offline Reputation: 0 (0%) |
exactly. besides, the main advantage of a cai is it doesn't get heat soaked as quick. if your short ram was nice and cool on your 17.58 run it could very well have run as good or better than a cai setup.
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Oct 16, 2003 - 12:27 PM
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 Enthusiast Joined Apr 8, '03 From NorCal Currently Offline Reputation: 0 (0%) |
Actually, I've test run both a 2.5" CAI and a 3" CAI... and for me, the 2.5" felt a bit restrictive... like it was losing a lot of the bottom end. The smaller diameter added with the longer distance and the bends, I would imagine, would slowdown the charge velocity... causing some small losses in the lower torque band... while with the larger 3" piping... I didn't feel that same loss. It doesn't feel any different in the high-range than that of a 2.5" intake either. All-in-all, bigger is not always better... there is a "too big" point... however, in this case, where you have 3" piping as opposed to 2.5" piping... the differences between the two are very minor... it's more of a prefrence thing. I personally like the 3" piping much better than the 2.5"... |
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Oct 16, 2003 - 1:00 PM
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 Enthusiast Joined Nov 15, '02 From Corona & Vallejo, CA Currently Offline Reputation: 0 (0%) |
If you wanna get better times, put your 14's back on ... when you race that is... it may not look as nice, but you'll definitely have better times on your runs...
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Oct 16, 2003 - 1:40 PM
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Enthusiast Joined Nov 13, '02 Currently Offline Reputation: 0 (0%) |
orrite well thanx a lot u guys for the advice, i really appretiate it. and by the way the last time i went to the track was only 2 weeks ago.
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Oct 16, 2003 - 2:17 PM
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 Enthusiast Joined Aug 14, '03 From Knoxville, TN Currently Offline Reputation: 0 (0%) |
amen to that! |
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Oct 16, 2003 - 2:18 PM
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Enthusiast Joined Aug 14, '03 From Knoxville, TN Currently Offline Reputation: 0 (0%) |
Yea you have to think of everything. Weather, temp., track, you, almost everything probably changed a little bit. Unless you do a controlled envirnment test then you can't be for sure. |
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