Ok buying plenum...but which one??
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Reviews and pricing pending, APS says they're coming out with their Tall Boy plenum next month. No core required and very tight looking:
http://www.aps-350z.com/350z/plenum/plenum.htm
http://www.aps-350z.com/350z/plenum/plenum.htm
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Originally Posted by XCELR8
I've found three available:
Kinetix
Crawford
StrictlyZ
I'm leaning toward the Kinetix cause thats what most people have, their install seems very easy, and they dont require a core. What do you guys think I should do?? Any experience?
Kinetix
Crawford
StrictlyZ
I'm leaning toward the Kinetix cause thats what most people have, their install seems very easy, and they dont require a core. What do you guys think I should do?? Any experience?
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A wedge-shaped space sounds like a very nice solution! It avoids all the hassles of the core charge, the problems associated with cracking, and (I presume) the cost of creating an entire replacement plenum. Any more information you could tease us with - timelines, numbers, anything like that?
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I've had an order in with Crawford for about 6 weeks. I spoke to Doug at Crawford this week and he had some very interesting news. They are going to be coming out with a cast plenum in the next 4-6 weeks. They have already got the test version on some cars and will be placing an order for the cast version if the test work out. He quoted me $350 for the cast version with no core charge. I'm not certain if this will be his final price or not. I asked if there were any changes from the current version they produce. He indicated it's going to be slightly larger at the neck to accomodate those who like to change the throttle body.
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Originally Posted by NismoV35
these are wedge shaped that go inbetween the plenum to even out the lean condition of the front two cylinders.
I'm curious to if anyone has exactly flowed benched aftermarket intake plenums vs the stock plenums to see if there really is that much difference. From the dynos I've seen, it's a crap shoot. Some cars gain power with the aftermarket plenums and some loose power with the plenums.
#11
Originally Posted by nuttyprof
whoa whoa whoa. whats this about a Japanese spacer? More info Please! we'll keep it on the down low. just let us know what company this is. maybe the first 6 letters of their name? ahhahaa
http://www.bulletproofautomotive.com...il.php?ID=1172
I dont know anyone who has tried it. In theory it should be an improvement. Not only with increased plenum volume, but in thermally insulating the plenum for a cooler aircharge. But at over $500 for a gasket, I had to pass.
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Originally Posted by DaveB
Actually it would be a rich condition. Lean suggests too much air and not enough fuel. Rich is too much fuel and not enough air.
I'm curious to if anyone has exactly flowed benched aftermarket intake plenums vs the stock plenums to see if there really is that much difference. From the dynos I've seen, it's a crap shoot. Some cars gain power with the aftermarket plenums and some loose power with the plenums.
I'm curious to if anyone has exactly flowed benched aftermarket intake plenums vs the stock plenums to see if there really is that much difference. From the dynos I've seen, it's a crap shoot. Some cars gain power with the aftermarket plenums and some loose power with the plenums.
Also, in the past, the StrictlyZ plenum was an older version of a Crawford Plenum, not something that they designed themselves.
Forget about the spacer, do a search and you'll see why... Either get the Crawford V5 or wait for a good casting/machining solution that yields equal gains.
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Originally Posted by nuttyprof
whoa whoa whoa. whats this about a Japanese spacer? More info Please! we'll keep it on the down low. just let us know what company this is. maybe the first 6 letters of their name? ahhahaa
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