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02-01-2016, 11:56 PM
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#1 |
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whippled 5th gen
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how much nitrous can forged ls3 416 handle
contemplating forging motor or building lsx, not sure which way to go, im at 13-14 psi currently on stock bottom end, with ported heads, ls9 cam, have arp 2000 head studs, manley stainless valves, ls9 head gaskets, I was thinking staying close to 125 shot, the lsx with heads I want and cam is out of my price range right now.
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Whipple running 13 lbs of boost, Innovators west 8 rib with 10 percent over drive crankshaft pulley. Fore level 2 Dual pump fuel system, with duel TI auto fuel pumps, ID 1300 fuel injectors, tuned on e85. Driveshaft shop aluminum driveshaft, 1400 hp half shafts, Detroit tru-trac. ls9 camshaft, CNC ported heads, with trunion and dual valve spring upgrade, LS9 head gaskets, ARP 2000 head studs, Manley stainless valves. Adjustable Bmr toe rods, trailing arms, rear adjustable sway bar, full cradle bushings, upper control arm bushings, BMR diff. bushings, bmr driveshaft safety loop.
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02-02-2016, 01:27 AM
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#2 |
           
Drives: 2015 Summit White 2SS 1LE Join Date: Feb 2012
Location: Vance Alabama
Posts: 8,091
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As much as you throw at till it pops.
As with anything its all tune and fuel delivery.
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Retired wanna be cylinder head porter
2015 2SS 1LE Clutch reservoir, Vararam DRX, ported TB, TSP 2" headers, MGW shifter, stage 4 cam and Wilkes 11° 65cc heads Totalled: 2010 1SS Wilkes Performance/Eagle 416 shortblock, TSP custom valvetrain, PRC 260 heads, Edelbrock Pro Flo 102, th400 swap, 8" PTC 5500 stall= 535/435 at the wheels tuned Gen 3 Performance and Dyno 10.97 @ 124 full weight in 3100 DA CamaroFest X |
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02-02-2016, 11:03 AM
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#3 | |
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When is enough ever...
Drives: 2006 Silverado 2500HD CC/SB LBZ Join Date: Apr 2011
Location: Residence: Chula Vista, CA Home: Billings, MT
Posts: 996
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Quote:
I'll add that boosting and nitrous is also going to be harder to keep the heads from lifting. Probably plenty of guys doing it on borrowed time without proper mods. If it were me, I would go no bigger than 416, move to six bolt block and heads, add ARP studs, and a high quality head gasket. Then back to TUNE AND FUELING...
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The Project: 2011 Camaro 2SS/RS (ERL 427 Superdeck NA Monster)
"Just like farmer engineering. Find the weak link and fix it, then find the next one." Salt Cat Racing |
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03-03-2016, 12:11 AM
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#4 |
 Drives: 2010 SS/RS 6 Spd Manual IOM Join Date: Aug 2009
Location: North Las Vegas
Posts: 153
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I have a 417 with a 200 shot, a friend of mine has one as well build by LME. He has been spraying weekly for 4 years or so and the only thing that has gone wrong is he broke a valve spring. He replaced with tooley springs and is still going strong. He has done a few 250 passes on 1/2 mile hitting 5th gear putting a big strain on the motor and no problems as of yet but its all in the tuning IMO.
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2010 2SS/RS, 417 stroker, 4.0 Callies crank and rods, JRE pistons w/hellfire nitrous top rings, Kooks 1 7/8 LT, Kooks 3" Exhaust, CAI Intake and Scoop, Cam SullivanGM W/ Hardened PR, Stock Heads. Dual Springs, Mcleod RXT Clutch, Hurst LL W/ Cruise Momentary, GM 3.91 gears, Nitrous Outlet direct port 200 shot, Dedicated Fuel Cell(C16), LNC2000 and NOS Mini controller, BMR suspension w/Bushings, Pfadt Drop, Pfadt Diff Bushings, 1400hp DSS Axles, DSS driveshaft, Solid Engine Mounts, Razzi Body Kit, Speedhut Gauges,T-REX Phantom Grills (Black) 533RWHP/500RWTQ N/A, 724RWHP/816RWTQ 200 Shot
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03-03-2016, 01:14 AM
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#5 |
Drives: 2015 1SS, 1LE, Recaro, NPP Join Date: Apr 2014
Location: Fresno, CA
Posts: 927
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Remember when adding nitrous to a supercharged car the shot is essential doubled. So, you're 125 shot will be like a 250 shot.
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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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03-03-2016, 02:46 AM
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#6 |
 Drives: 1968 camaro Join Date: Aug 2013
Location: Crown point indiana
Posts: 60
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Does stroking a ls3 reduce the life of the motor with the longer stroke of the piston skirt??
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03-03-2016, 07:01 AM
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#7 | |
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Drives: 2015 Camaro SS 1LE, 2001 Camaro SS Join Date: Jun 2015
Location: Miami
Posts: 836
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Quote:
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2017 GMC Canyon All Terrain- daily driver/dirt bike hauler
2015 Camaro SS 1LE- sold 2001 Camaro SS SOM M6- sold 1999 Firebird Formula A4- sold |
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03-11-2016, 12:24 AM
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#8 |
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Account Suspended
Drives: 2010 camaro ss Join Date: Jan 2016
Location: Nc
Posts: 57
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Not sure about a 416 but have a buddy spraying 250 shot on a weekly basis on stock bottom end with no problems has had it little over a year now
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