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Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 04-21-2008, 12:09 AM   #1
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Default hv3 install done

yea finaly we got some nice warm day here and it a easy 1 hour job and the fit is perfect on a GM upper (it wont fit on a dorman upper whitout some grinding and fitting )





so know let see if i loose some bottom end torque and gain some top end
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Old 04-21-2008, 06:25 PM   #2
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I think you will drop a little bottom end... But with the Mods you have done I don't think you are going to notice it that much.... I do think you'll notice the improvement in Mid to top end performance

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Old 04-22-2008, 06:17 PM   #3
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just out of curiosity, as im still sorta a noob to the 3800, what does it do exactly?
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Old 04-22-2008, 06:33 PM   #4
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It replaces the upper intake insert, basically reducing the runner length. Shorter runners tend to produce more power at higher RPM, but you also lose a little of the low end grunt. I think the latest insert from ZZP(the HV3) addressed the lost torque with slightly longer runner length.
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Old 02-03-2009, 02:49 AM   #5
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Firebuick,

Sorry to drag an old post back to life, but I was curious how the HV3 worked for your driveability?

I recently installed an HV3 and stage 1 throttle body from ZZP... and now my cold idle is suffering. Did you see any of this from the HV3?

BKNJ
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Old 02-03-2009, 07:24 AM   #6
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Hiya local!

I'll let Don speak for his experience with the HV3, being that his is not the normal experience. But the idling etc issues you are having is most likely because of the pcm needing to be tuned. Frequently we change things and expect that the liberal pcm GM gave us will adapt. As we get toward the outter extremes or out of it'* normal ranges the car will act and idle differently.

In putting the cam etc on my rig, I found that a tune including VE, maf etc works wonders.
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Old 02-03-2009, 08:16 AM   #7
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Bill when did you cam your rig?

wow she must be f...a...*...t!
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