Dyno numbers seem a little low? Or do they sound right? Dyno Graph Inside!!
#1
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Ls6 Intake,
Vrx4 Camshaft 228/230
Prc Ls6 2.5 Heads
42lb Injectors
Underdrive Pulley
And all supporting bolt ons.
I dynod 420hp/361tq. For my mods I thought I could of broke the 430-440hp but I didnt. Also why is my torque so low? I go these numbers over the phone and do not have a dyno graph yet. The car is currently an hour away, but I will post a dyno graph tomorrow.
Vrx4 Camshaft 228/230
Prc Ls6 2.5 Heads
42lb Injectors
Underdrive Pulley
And all supporting bolt ons.
I dynod 420hp/361tq. For my mods I thought I could of broke the 430-440hp but I didnt. Also why is my torque so low? I go these numbers over the phone and do not have a dyno graph yet. The car is currently an hour away, but I will post a dyno graph tomorrow.
Last edited by Greekey; 03-08-2011 at 01:39 AM.
#2
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thaqt does seem a lil low. im running the same heads as you and a larger cam and im only making 6hp more than you. that torque number is really bad tho, i wonder what could be the problem.
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#11
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whats your drivetrain setup?
trans,rear,gear?
whats your valvetrain consist of?
what that w/ the cutout open or closed?
i think you really need to get a FAST92/92 or 102/102
the a/f looks pretty good, id say if anything lean it out a little more not much tho
-brandon
trans,rear,gear?
whats your valvetrain consist of?
what that w/ the cutout open or closed?
i think you really need to get a FAST92/92 or 102/102
the a/f looks pretty good, id say if anything lean it out a little more not much tho
-brandon
#12
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Im still on a stock rearend and rear gears. Yes I know
. Stock t56. The only upgrade the drive train has is a monster 3 clutch. I wonder if my tires could of been slipping? Cut out was open and I do not have a ported throttle body. Valvetrain is ls7 lifters, new pushrods, trunion upgraded stock rockers, and prc double springs.
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Im still on a stock rearend and rear gears. Yes I know
. The only upgrade the drive train has is a monster 3 clutch. I wonder if my tires could of been slipping? Cut out was open and I do not have a ported throttle body. Valvetrain is ls7 lifters, new pushrods, trunion upgraded stock rockers, and prc double springs.
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#15
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There are a lot of folks that seem to disagree, but the HP # is what I would expect from that setup on the DJ I tune on as well. The TQ curve looks like some cars I have seen in the past with new clutched that slipped a bit in the middle. It looks like slip from 4200-ish RPMs to 6K. If it's not that, I'm not sure what it is, but that's what it looks like. There might be a couple here and there in tightening up the AFR a tad, but nothing like what is missing from the portion mentioned.
#17
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Thanks Frost, By the way in the picture it looks like something is happening at 4200rpms like you have stated, but its just the fold in my paper that's making it seem like its declining a tad. Unless your actually seeing something else that im not seeing.
#19
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Yes thats the first thing that caught my eye when I was handed this dyno graph. Its exactly what your saying. Its climbinggg then all the sudden it farts and flat lines. What are my options? If i sent the computer to you, could you take a look at it? Im hoping its something with the tune, and not my car. Could it in fact be that the tune is incorrect?