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06-08-2016, 09:57 PM
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#1 |
 Drives: 2014 ZL1 Join Date: Mar 2016
Location: springfield
Posts: 140
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how much hp will 4 lbs add?
i plan to add 3.5-4.5 lbs of boost in the next week or so, wondering about how much hp that will add?
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06-08-2016, 10:01 PM
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#2 |
       
Drives: 12 camaro ss, 72 chevelle, 91camaro Join Date: Dec 2013
Location: findlay,oh
Posts: 2,070
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Roughly 20whp per pound
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12 camaro ss 427lsx, th400, f310 heads, crower shaft mounts, gpi specd solid roller, shearerfab 2k hp a/w, twin bullseye 88mm turbos, hughes pro ssx bolt together converter, holley dominator, 8.50 cert, backhalf, Ford 9", 33x17x16 tires, c16 fuel
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06-08-2016, 11:42 PM
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#3 |
   Drives: 2006 Z06 Join Date: Oct 2010
Location: Gilbert, AZ
Posts: 5,712
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Depends on the power adder, and where you are with it, and capacity of the whole system.
Could be anywhere from 10-45hp per PSI.
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Nick
Corvette Z06 -1200ish rwhp |
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06-09-2016, 12:06 AM
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#4 |
 Drives: 2015 camaro ss Join Date: Apr 2015
Location: Beggs, ok
Posts: 87
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My Twin 62mm stock ls3 gained 35rwhp per pound from 4-11psi
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06-09-2016, 12:57 AM
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#5 | |
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Drives: 12 camaro ss, 72 chevelle, 91camaro Join Date: Dec 2013
Location: findlay,oh
Posts: 2,070
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Quote:
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12 camaro ss 427lsx, th400, f310 heads, crower shaft mounts, gpi specd solid roller, shearerfab 2k hp a/w, twin bullseye 88mm turbos, hughes pro ssx bolt together converter, holley dominator, 8.50 cert, backhalf, Ford 9", 33x17x16 tires, c16 fuel
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06-09-2016, 01:24 AM
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#6 | |
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Boosted Moderator
Drives: Bone Stock LS3 Join Date: Sep 2009
Location: Marion Tx
Posts: 15,799
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Quote:
 I'm just over 46 HP per lb of boost... with my current tune...
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If the car feels like it is on rails, you are probably driving too slow. -Ross Bentley
Horsepower is how fast you hit the wall. Torque is how far you take the wall with you. If everything seems under control, you're just not going fast enough. Mario Andretti If you can turn, you ain't going fast enough... |
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06-09-2016, 08:29 AM
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#7 | |
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Drives: 2006 Z06 Join Date: Oct 2010
Location: Gilbert, AZ
Posts: 5,712
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Quote:
Going from 8 to 12 won't have same power increase as 12 to 16. Intercooler, blower capcaity, etc start running out. Which is why I said there is no straight forward answer. Would get a much better answer if he laid out his combo and said he is going from 8 to 12psi or whatever with these mods, how much power should I gain.
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Nick
Corvette Z06 -1200ish rwhp |
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06-09-2016, 01:33 PM
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#8 |
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Drives: 2014 ZL1 Join Date: Mar 2016
Location: springfield
Posts: 140
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sorry forgot to mention im stock other than full exhaust and CAI i will be doing the 2.5 upper pulley for my zl1
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06-09-2016, 09:11 PM
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#9 |
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Banned
Join Date: Jan 2015
Posts: 1,089
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how much hp will 4 lbs add?
Good piggy back thread here. Going from 6-8psi on Lsx 376. 9:1 compression. Tvs3300. Btr3 PD. I'm at 603/547 now. (Adm FPCM id850)
Any guesses? LSX376 SLP TVS2300 '13 1LE Full front half protected by Xpel PPF Instagram:@Failshift 603hp/547tq 1LE Owners Group: https://www.facebook.com/groups/559684050767758/ |
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06-12-2016, 04:34 AM
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#10 | |
Drives: 2015 1SS, 1LE, Recaro, NPP Join Date: Apr 2014
Location: Fresno, CA
Posts: 927
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Quote:
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2015 Summit White 1SS, 1LE, Recaros, NPP
498 RWHP 447 RWTQ (Motor) 647 RWHP 723 RWTQ (150 Shot) 12.1 @ 117 (Motor) 11.7 @ 129 (Nitrous) Nitrous Outlet Single Nozzle Kit | Stand Alone Fuel Cell w/ C16 | Custom Grind Cam | Stainless Power 1 7/8 LT Headers | CAI Intake | ATI Super Damper | BMR Trailing Arms & Toe Links | Prothane Polyurethane Sub-frame Bushings | JDP Upper Control Arm Bushings | MT Drag Radials | Tuned by SS Motorsports Youtube Channel: Click Here |
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