An Idea Of Sorts... - NoPistons -Mazda Rx7 & Rx8 Rotary Forum

2nd Generation Specific 1986-1992 Discussion

An Idea Of Sorts...

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Old 07-17-2003, 08:44 PM
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I know that keeping the ac belt on drains a little hp from the enging (parasitic loss i think it's called), but lowering the intake temp increases it, so my thoughts were this, reroute the ducting for the ac to the cold air box and use the AC to cool intake temps, etc...now the bigger question is would it work and if it did, would the gain be more than the parasitic loss!?



yeah i am trying to sound all intelligent like :P



Sean



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Old 07-17-2003, 08:46 PM
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I dunno, I know my AC just hammers my "get up and go" sometimes I play with it while accelerating and it's almost like the turbo spooling in when I turn it off.
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Old 07-17-2003, 08:48 PM
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ROFL, maybe i should hook mine back up...
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Old 07-17-2003, 08:55 PM
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why dont you just do the water injection mod that zerobanger posted
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Old 07-18-2003, 06:27 AM
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cuz then i'd still have pieces of AC that have no use DUH! :P
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Old 07-18-2003, 08:39 AM
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heck, just give it a shot! All it would take for a simple experimental setup would be a air box around the filter, sealed really well, and some cheap tube running from one of your a/c vents ("why do you have a bunch of duct tape on your dash?" "oh, no reason...")
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Old 07-18-2003, 10:35 AM
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I've heard of some newer car that does that...or maybe I'm crazy. The newer A/C systems don't drag down the engine nearly as much, if at all, so I'd think there'd be some gains to be had on a newer car, but it wouldn't hurt to try on your FC.
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Old 07-18-2003, 10:58 AM
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Originally Posted by UniqueTII' date='Jul 18 2003, 10:35 AM
I've heard of some newer car that does that...or maybe I'm crazy. The newer A/C systems don't drag down the engine nearly as much, if at all, so I'd think there'd be some gains to be had on a newer car, but it wouldn't hurt to try on your FC.
there's a new truck with a supercharger that uses that. I don't think it actually blows cold a/c air in the intake, I think it runs the intake air by the same kind of thing that cools the a/c air. I'm not hip on a/c components, so I'm not sure what makes the air cold, but I think that's what they use. Does that make sense?
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Old 07-18-2003, 11:19 AM
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Yeah, I should have been more specific. It doesn't force A/C air into the engine, it just cools the intake air. I guess I'm not so crazy after all.
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Old 07-18-2003, 11:41 AM
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mabye try piping it around the pipe...like a cooling duct around the pipe...



it may restrict flow and cause wierd flow charistics(sp?) at idle ect when the AC is forcing cold air into the engine...just a thought
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