12-26-2013, 04:25 PM | #1 |
How much HP / Boost out of a stock engine?
Curious as to how far members have pushed the stock LS3. How much Boost / HP can it withstand ? By stock I mean internals except for cam.
__________________
|
|
12-26-2013, 04:56 PM | #2 |
Drives: 2010 2SS LS3, 2013 duramax Join Date: Nov 2012
Location: Dover, De
Posts: 1,451
|
Some push it over 800rwhp.
__________________
ECS Ysi-B, cam, Tsp 2" longtubes, Squash dual pumps, Id1300s, meth, 4L80e, FTI 3600, ZL1 3.73 diff, BMR suspension, 15" conversion, weld rts mt 275 et street R. 9.6@147mph
|
12-26-2013, 06:16 PM | #3 |
__________________
|
|
12-26-2013, 07:36 PM | #4 |
|
800s for a few members, as stated already.. Many above 600s and 7s
Tune, fuel system, and octane plays a key roll in the life of a ls3.
__________________
2017 ZL1 A10: 8.84 @ 156 PB
2017 ZL1 A10: Previously FBO 756/761 (9.6 @ 143 1/4) SOLD-2013 ZL1 M6:BTR,LTs,IDs,ATI,RotoFab10.84@129 SOLD-2011 SS M6: Blower, Cam, Alky, LTs. |
12-26-2013, 08:10 PM | #5 |
Drives: 2011 Camaro 2SS/RS Join Date: Oct 2011
Location: Texas RGV
Posts: 794
|
700+ RWHP here on an auto
|
12-26-2013, 08:34 PM | #6 |
USAF retired! Thank God!
Drives: 2011 1SS, 1LT red,1LT/RS SGM 98Z28 Join Date: Jul 2011
Location: North Texas
Posts: 2,799
|
It'll last forever at over 700whp if you drive it gingerly. Mine lasted 6 weeks before the ringlands on #5 let go. 6 gallons of meth in 6 weeks. I was seeing how long it could take the abuse. It did pretty good.
__________________
HKE LSX427(Mast blk lbl 305 6bolt LS7heads, PatG231/246 blower cam, RWHP/TQ: 1281/1133 SNL Performance Custom Twin PT6766 BB turbos 4 to 25psi selectable on the Boost Leash controller, Squash dual 400LPH/ID2000s, ALKY 4 gal meth, Autometer AFR/Bst/oilpres/oiltemp/fuelpress gauges, Pedders Justice road crs pkg: All HD bushes, supercar 12kg coil overs, supercar ZL1 sways, camber plates all setup by JusticePete! :Gforce 9" 35spline S-Trac, 1500hp Outlaw axles, 3.5"alum DS, Monster Triple disc; 4xForgeline 19x10.5 4xBridgestone 305/30R19 RE-11, CTS-v calipers/rotors/Cobalt friction XR1/3 pads
|
12-26-2013, 09:26 PM | #7 | |
|
Quote:
Hahaha I have seen you say the 6 gallons in 6 weeks. I'm running 100% meth and I feel I drive my car pretty hard and, I maybe went throught 1.5 gallons max over the whole summer in NY. Man you were beating it pretty good.
__________________
2017 ZL1 A10: 8.84 @ 156 PB
2017 ZL1 A10: Previously FBO 756/761 (9.6 @ 143 1/4) SOLD-2013 ZL1 M6:BTR,LTs,IDs,ATI,RotoFab10.84@129 SOLD-2011 SS M6: Blower, Cam, Alky, LTs. |
|
12-26-2013, 10:28 PM | #8 |
Drives: 2010 CAMARO. 10.04@133mph, 1.4 60' Join Date: Jul 2009
Location: Lafayette, Louisiana
Posts: 4,585
|
We have made 849rwhp on a stock bottom L99. This was only once on the dyno. Still going strong at 720rwhp. 18psi
its all in the fueling |
12-27-2013, 07:34 AM | #9 |
Drives: 2006 Z06 Join Date: Oct 2010
Location: Gilbert, AZ
Posts: 5,712
|
780-800rwhp on blower.
830-850rwhp on turbos. No blower to spin so stress on the motor is about the same as 40-60hp less with the blower.
__________________
Nick
Corvette Z06 -1200ish rwhp |
12-27-2013, 08:49 AM | #10 |
Drives: 1999 Trans Am Join Date: Jul 2009
Location: Bridgewater,Ma
Posts: 2,017
|
Never seen a true 800rwhp on our dyno. Had a few people come in with 800-850rwhp graphs from shops but I think they were 1 hit wonders and turned back down to mid /low 700's.
I've got a few 700-750rwhp cars on stock motor's. Have been that way for a few years.Got 1 Maggie car pushing 14lbs and 705hp/665tq with just a cam,meth. Has been for about 2 years so far. |
12-27-2013, 10:31 AM | #11 | |
USAF retired! Thank God!
Drives: 2011 1SS, 1LT red,1LT/RS SGM 98Z28 Join Date: Jul 2011
Location: North Texas
Posts: 2,799
|
Quote:
I had already had HKE building my new LSX so i figured i would see how much it could take. Every day on the drive into work and back home I would do two 1st-4th pulls on the back north Texas roads. so basically 4 each day i drove the car. I had also recently added the GForce complelte setup with one piece DS and i was testing this stuff also as well as the new McLeod RXT I was even running a blend of race gas or Torco for an intank octane of about 95.5 and the 100% meth. Car drove fine with the broken lands on #5 but i also had the top elbow fuel feel fitting on my old LPE twin pump setup shear off and spew fuel all over so i parked it for about 8 months. HKE takes a long, long time but the motor is stout!!!! Everything else, block, lifters, heads, cylinders, and the other pistons are all in great shape. Just the weakest link was what let go. Imagine that! Car at the time was tuned by Taylor Simms of Dallas Performance and was at 11 psi and 715rwhp
__________________
HKE LSX427(Mast blk lbl 305 6bolt LS7heads, PatG231/246 blower cam, RWHP/TQ: 1281/1133 SNL Performance Custom Twin PT6766 BB turbos 4 to 25psi selectable on the Boost Leash controller, Squash dual 400LPH/ID2000s, ALKY 4 gal meth, Autometer AFR/Bst/oilpres/oiltemp/fuelpress gauges, Pedders Justice road crs pkg: All HD bushes, supercar 12kg coil overs, supercar ZL1 sways, camber plates all setup by JusticePete! :Gforce 9" 35spline S-Trac, 1500hp Outlaw axles, 3.5"alum DS, Monster Triple disc; 4xForgeline 19x10.5 4xBridgestone 305/30R19 RE-11, CTS-v calipers/rotors/Cobalt friction XR1/3 pads
|
|
12-27-2013, 04:34 PM | #12 |
Thanks everyone for the responses. I read in that "what breaks on a camaro" article that the timing chain is only good to about 500 HP before failure ? Anyone have this experience? Or should I not be worried. My final mods should produce in the neighborhood of 600 rwhp (I'm guessing). I would say that if I did anything past that I would be doing the cam,rockers, and timing chain, if I even go that far.
__________________
Last edited by Jpb972; 12-27-2013 at 05:04 PM. |
|
12-27-2013, 04:57 PM | #13 |
Drives: 2010 Camaro 2SS/RS Supercharged Join Date: Nov 2013
Location: Hattiesburg, MS
Posts: 59
|
Please don't be true.... If so, I'm on barrowed time. But I doubt the timing chain would have a problem. Please, someone else confirm!
__________________
2010 2SS/RS Magnuson Supercharged, Headers, Corsa Exhaust, CAI
|
12-27-2013, 05:21 PM | #14 |
USAF retired! Thank God!
Drives: 2011 1SS, 1LT red,1LT/RS SGM 98Z28 Join Date: Jul 2011
Location: North Texas
Posts: 2,799
|
timing chain is not an issue at any of these power levels
__________________
HKE LSX427(Mast blk lbl 305 6bolt LS7heads, PatG231/246 blower cam, RWHP/TQ: 1281/1133 SNL Performance Custom Twin PT6766 BB turbos 4 to 25psi selectable on the Boost Leash controller, Squash dual 400LPH/ID2000s, ALKY 4 gal meth, Autometer AFR/Bst/oilpres/oiltemp/fuelpress gauges, Pedders Justice road crs pkg: All HD bushes, supercar 12kg coil overs, supercar ZL1 sways, camber plates all setup by JusticePete! :Gforce 9" 35spline S-Trac, 1500hp Outlaw axles, 3.5"alum DS, Monster Triple disc; 4xForgeline 19x10.5 4xBridgestone 305/30R19 RE-11, CTS-v calipers/rotors/Cobalt friction XR1/3 pads
|
|
|
Thread Tools | |
|
|