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Old 09-08-2013, 08:27 PM   #1
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So I just picked up my CAI/ tuner combo and had a question about right amount of octane. My car was nearly empty and said 53 km till empty and than filled up with 91. Can I now load the 91 tune even though there was a little left over 87?
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Old 09-08-2013, 08:51 PM   #2
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Load the 91 tune. If check engine light is on, then just run the tank out and refill
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Old 09-08-2013, 09:26 PM   #3
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K so I loaded up the 87 to start and man what a difference! Throttle response is excellent and you can definitely feel a nice pick up in power but I have one question. I'm not sure if its the new CAI I put in tonight but after running the car with the tune when I get halfway to wot I hear a little faint whistling sound that sounds like the its coming from the CAI. Normal?
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Old 09-08-2013, 09:32 PM   #4
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When you accelerate heavily you will hear the suction of the air into the CAI if that's what you hearing maybe
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Old 09-08-2013, 09:37 PM   #5
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When you accelerate heavily you will hear the suction of the air into the CAI if that's what you hearing maybe
Yeah maybe, that's what I was thinking but its my first few hours with a tuner and CAI. If I'm easy on it its fine but if I get on it a little I hear it faintly. Sorry for the noob CAI/tuner question but thanks! Any suggestions are welcome!
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Old 09-08-2013, 09:42 PM   #6
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Yeah maybe, that's what I was thinking but its my first few hours with a tuner and CAI. If I'm easy on it its fine but if I get on it a little I hear it faintly. Sorry for the noob CAI/tuner question but thanks! Any suggestions are welcome!
That's why you join a forum, for info. We are here for you to ask questions I was a noob once too
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Old 09-08-2013, 09:45 PM   #7
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That's why you join a forum, for info. We are here for you to ask questions I was a noob once too
Thanks bro! Just wanna make sure I did everything OK and the car is running how it should. I really can't believe how well the car runs on just the 87 street tune!!!
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Old 09-08-2013, 11:17 PM   #8
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K so I loaded up the 87 to start and man what a difference! Throttle response is excellent and you can definitely feel a nice pick up in power but I have one question. I'm not sure if its the new CAI I put in tonight but after running the car with the tune when I get halfway to wot I hear a little faint whistling sound that sounds like the its coming from the CAI. Normal?
Yeah that's the intakes having to suck air. It made my roush deeper. Did it do yours like that too?
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Old 09-09-2013, 05:24 AM   #9
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Yeah that's the intakes having to suck air. It made my roush deeper. Did it do yours like that too?
That was the first thing I noticed, at wot it has a nice growl to it.
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Old 09-09-2013, 05:41 AM   #10
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Just recheck ur cai and make sure everything is tight and ur not leaking air in around any connections. After u inside its all tight, enjoy! It pulling a lot of good cold air is exactly what u want.
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Old 09-09-2013, 10:26 AM   #11
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Just recheck ur cai and make sure everything is tight and ur not leaking air in around any connections. After u inside its all tight, enjoy! It pulling a lot of good cold air is exactly what u want.
Thanks! I'll do it on my lunch break!
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Old 09-09-2013, 11:19 AM   #12
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Thanks! I'll do it on my lunch break!
Make it a point to check the clamps often. I do this whenever I check under the hood (i.e. oil level, brake fluid, etc.). This is part of my saturday morning ritual right before it gets backed out into the driveway for it's big wash.
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Old 09-09-2013, 11:50 AM   #13
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Make it a point to check the clamps often. I do this whenever I check under the hood (i.e. oil level, brake fluid, etc.). This is part of my saturday morning ritual right before it gets backed out into the driveway for it's big wash.
That's a smart ritual that I'm going to adopt! I just checked the clamps and they were pretty tight, but I tightened them again to make sure. Thanks. As for the faint whistle I sometimes here it seems to be pretty common after a quick Google search.
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Old 09-09-2013, 01:37 PM   #14
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Be careful as to not overtighten as well. If the clamps ar pinching the rubber (if you see the rubber bulging out of the slits of the clamps), this can cause the rubber to split, and eventually crack and produce a means for air to enter through the crack. Snug, but not tight. just make sure the rubber is not being pinched tight.
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Old 09-09-2013, 03:30 PM   #15
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