I have to say, I'm impressed with the design on the xyz pipe, particualry with the resonated and cat'd versions -- anyone dyno tested any of those yet?
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04-16-2011, 01:02 AM | #226 (permalink) |
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I have to say, I'm impressed with the design on the xyz pipe, particualry with the resonated and cat'd versions -- anyone dyno tested any of those yet?
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04-16-2011, 01:53 AM | #227 (permalink) |
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What exactly is the reason behind the cat'ed version of the Y pipe? How would that be worthwhile option?
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04-16-2011, 04:08 AM | #228 (permalink) | |
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Quote:
Be curious to see whether a Z would actually pass a tail pipe sniffer with that single cat tho'. Also, wondering whether it has two bungs for secondary O2's or if they stay with the TP/LTH? Very curious to hear the xyz with and without the resonator or cat as well as see dynos...
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04-16-2011, 09:32 AM | #229 (permalink) |
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GZ3 has the XYZ with a resonated section.
I have a single 3in HFC piece part I was gonna trial in the Y but have not gotton round to it yet.
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04-20-2011, 04:48 PM | #231 (permalink) |
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I'm with you on that!
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04-22-2011, 08:56 AM | #233 (permalink) |
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Im making 309 rwhp with full bolt ons if i change my berk cats for the tonys pipes how much more power and torque will it make
thanks Z
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04-22-2011, 10:27 AM | #235 (permalink) |
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HFC gives more who but TP will give better torque.
So you will feel ART more responsive and better torque reading but I'm not sure if there will be more then 3-4 whp difference. |
04-24-2011, 06:05 PM | #236 (permalink) | |
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Quote:
If anything, the TP would give more HP since it will allow the exhaust air to flow at a higher velocity that could be beneficial at high RPM's. Also, since horsepower is a function of tq, saying one gives more hp and one gives more tq is saying the same thing. It's the rpm that the torque is produced at that determines the effect on your car and how much hp it gives you. + 10 tq at 3000 rpm is a gain of 5.7 hp. + 10 tq at 7000 rpm is a gain of 13.3 hp. Very large difference and yet the exact same "tq gain" Personally, on an engine like this I wouldn't worry about gains at all under ~5000 rpm, as long as power under that rpm didn't suffer greatly. If you wanted a torquey motor the 5.0 would have been a better option as this motor will never get you anywhere fast if you don't rev it like it's supposed to be. |
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04-24-2011, 07:33 PM | #237 (permalink) |
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I actually think the VQ37's linear torque is fantastic and very punchy past 2K RPMs. People complaining about torque didn't live with a VQ35DE like I did in my 350Z. Either that, or they forgot.
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04-27-2011, 02:17 PM | #240 (permalink) |
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The suspense is killing me.
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