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Tech story: Testing stock air box+K&N vs Fenderwell cold air kit.
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[QUOTE]Originally posted by 67stang: [QB] [QUOTE]Originally posted by shade-tree: [qb]airflow figures or dyno numbers are conclusive. I consider myself a consistent driver and I can vary by one to two tenths on a given pass myself. otherwise, the only thing you've proven is that there is no significant temperature change. I wouldn't expect a temp. change unless you were going through some kind of intercooler, or where somehow expanding the gas rapidly (per pv=rnt) not saying it's useless information, but track testing a mod that at it's best is only giving a small handful of HP is anecdotal at best.[/qb][/QUOTE]Well first of all the article clearly states the purpose was to test the claims of "cold air kits"...not ram air. In that regard, temperature is THE variable to measure (since Moroso claims 15-20HP from the kit). Our objective was only to test and show that a cold air kit alone offers not gains over the stock air box, since both pick up air from the same point..hence the same temperature air. Now you mentioned air flow. Well for all intents and purposes, putting the air filter in the fenderwell does not significantly change the air flow... we indirectly prove this by showing no gain in ET or mph, or reduction in temperature. Finally, yes a dyno is conclusive...but not for measuring the effects of air induction systems (since the car is not moving!) --A good point just put in my ear by Fasterdamnit: we did not mention in the article that the silencer was removed from the stock air box. However that lends further to our point that a "cold air" aftermarket system is not worth the investment. We also stated very clearly that the effects of RAM air have been proven worthy, and we tested and showed this on a carbed car (search for the ram air article) [/QB][/QUOTE]
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