just for clarification, my exhaust is straight pipes all the way back to two 12" glasspacks.
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11-05-2012, 09:44 AM | #106 (permalink) |
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just for clarification, my exhaust is straight pipes all the way back to two 12" glasspacks.
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11-05-2012, 09:53 AM | #107 (permalink) | |
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I do wish I knew this secret in the VVEL that's different from what everyone else knows
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11-05-2012, 11:24 AM | #109 (permalink) | |
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Quote:
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11-05-2012, 11:25 AM | #110 (permalink) | |
My *** is famous!
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find the examples you speak of. |
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11-05-2012, 11:50 AM | #112 (permalink) |
My *** is famous!
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i know people with LTH gen 3 and CBE and tunes in person.. dont need to look at someone far away's profile. you do not just gaine 50-60whp from that.
So again, please provide some actual proof in the form of dyno sheets from multiple people.. as you stated.. typical gains are.. so to be typical it must happen alot. |
11-05-2012, 12:17 PM | #113 (permalink) |
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I couldn't tell you that info for sure until I tune one with that exact set-up on our dyno. I'm sure someone can on a dyno other than ours as I see some crazy numbers for the mods.
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11-05-2012, 12:22 PM | #114 (permalink) |
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John, just to clarify since I went ahead and ordered the 350z headers from you guys,.. The only thing I need is either 350z test pipes or hfc's, no other modifications?
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11-05-2012, 12:33 PM | #115 (permalink) | |
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dyno sheet are also around. doesnt matter what we tell you that it can be done you will just not believe. as the guy previously look at my Journal and you will see what was involve to get this high. -custom CAI & MAf tube (Stillen ver3 are very similar in term of adding power) -custom TB -custom HR intake manifold (which usualy give a lower peak power than the VHR) -PPE step long tube header -custom x-pipe & straight flow muffler -Uprev tuned by me. -lightweight crank pulley *NST* there is still power to be had with a stock VQ37vhr engine but I blew the engine before I was almost done with the next project edit; I removed the A/C delete from the list because that was after my last dyno session. Last edited by Megan370z; 11-05-2012 at 12:58 PM. |
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11-05-2012, 12:59 PM | #116 (permalink) |
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Nothing else is needed. You're going to love them. Thanks for the order!
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11-05-2012, 01:06 PM | #117 (permalink) |
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I'm running long tubes with every bolt on to the motor and exhaust. Only thing I don't have is a flywheel/clutch upgrade. I was at 316 with it's best run, but was untuned. I don't think a tune was going to get me 14whp. My baseline was 266-270 FYI. My tuned numbers are 10-12whp off, but I'm thinking it was heat killing the numbers.
Anything over 50 is doing great, over 60whp over baseline is an anomaly, a gracious dyno or a combination of low temps, full bolt ons, tuning, low elevation, and at least a dynojet. The dyno I've been using is reporting around 18-20% drivetrain loss in crappy Vegas weather and elevation.
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11-05-2012, 01:25 PM | #118 (permalink) |
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I haven't followed every post here, but I it seems as though there is still debate over the value of having access to the VVEL maps.
Here's a simple way to determine their value empirically. Re-load the previous tune where fuel and timing was optimized for Mike's set-up using stock VVEL mapping. Fine tune as needed -- leave VVEL alone. dyno three runs. Take the best. Then load the tune with optimized fuel, spark , and VVEL tuning. Fine tune as needed on all relevant maps. Take three dyno runs and report the best. Compare and contrast -- question answered. If Mike makes another 10-12 whp (or more) at points throughout the rev range when adjusting all three parameters together as opposed to just two, clearly having access to the VVEL maps is helpful for extracting maximum power.
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11-05-2012, 01:29 PM | #119 (permalink) | |
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At sea level in FL, where I am, the summer heat and humidity will absolutely kill power, no matter how much correction is used. The SAE guys need to develop better corrections for their estimates...
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11-05-2012, 02:32 PM | #120 (permalink) | |||
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Quote:
But if you must, account for some of the potential differences...by watching percentages. Quote:
If, for instance, we choose to compare mike's gains to yours, say... (342-280)/280~= 22.1% gain (324-256)/256~= 26.6% gain Quote:
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