*Official* LS3 Dyno Thread - Page 11 - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

GretchenGotGrowl · 05-02-2011, 03:38 PM

Quote:

Originally Posted by mdelk

Rwhp x .15 + rwhp does not equal rwhp/.85

Take 525rwhp for example.

525 x .15 + 525= 603.75
525 / .85= 617.65

The easier way for the first equation is.

Rwhp x 1.15 = hp @ crank.

525 x 1.15 = 603.75

Not trying to ruffle and feathers or step on any toes. Just clarifying.

Actually, if X * 0.85 = Y, then X = Y/0.85

mdelk · 05-02-2011, 06:05 PM

Quote:

Originally Posted by GretchenGotGrowl

Actually, if X * 0.85 = Y, then X = Y/0.85

That is correct but still does not equal X * .15 + X= y or X * 1.15= y

Two different equations being used to try to get same result.

GretchenGotGrowl · 05-02-2011, 06:50 PM

Quote:

Originally Posted by mdelk

That is correct but still does not equal X * .15 + X= y or X * 1.15= y

Two different equations being used to try to get same result.

Agreed, but the other one is wrong. You multiply BHP by 1-Drivetrain Loss.

mdelk · 05-02-2011, 08:03 PM

Quote:

Originally Posted by GretchenGotGrowl

Agreed, but the other one is wrong. You multiply BHP by 1-Drivetrain Loss.

Agreed. I didn't give it much thought. Just knew the two wernt one in the same.

GretchenGotGrowl · 05-02-2011, 08:11 PM

Quote:

Originally Posted by mdelk

Agreed. I didn't give it much thought. Just knew the two wernt one in the same.

Sorry, misunderstood what you were saying.

Sent from my iPhone using Tapatalk

TinyToasta · 05-03-2011, 01:13 AM

Sorry, I need to put this out here, don't flame me for this, as it is only the way I'm seeing it:

Imagine yourself sitting in front of the flywheel on a stock LS3...
Turn the flywheel with your hands so the tires start spinning.... must be quite a effort to do this.... lets say (376 * 1,15) - 376 = 56 units of "effort"

Now, put a blower on your engine, pulley, heads&cam, meth, and all the other good stuff that takes you to 650rwhp or beyond...

Again: imagine yourself sitting in front of the flywheel trying to spin the tires with the very same hands as above... not possible? because you have heavily modded the engine (which in this situation actually sits "behind" you)? let's say (650 * 1,15) - 650 = 98 units of "effort"???

In other terms: why do I need another set of hands on the flywheel to turn the wheels on a heavily blown engine??

Nevermind, let's get on with some more dyno sheets and vids

mrh923 · 05-04-2011, 06:36 PM

Quote:

Originally Posted by shawn18

I dyno'd my car yesterday , here is the video. It made 397hp / 392tq. I have an Airaid cai and Magnaflow Comp series exhaust. No other mods or tune. I was impressed with it.............now where to go from here

Wow! Those are great numbers! Congrats!

shawn18 · 05-04-2011, 08:21 PM

^^ I was extremely happy with those numbers, thanks! We had a blast doing this , we had around 12 or so 5th gens from our club there doing pulls.

Rounki · 05-05-2011, 09:35 PM

Mods are:
XS Power 1 7/8 LT Headers and Catback
Vmax TB
ADM Street Intake

Should've scheduled a couple days earlier when it was 30deg. cooler, haha. Still happy with the numbers. Thank you Corey!

beaSSt 2011 · 05-06-2011, 12:48 PM

'11 LS3
1 7/8 kooks no cats
LMR CAI
powerbond UD pulley
G-Force Tune
muffler/resonator delete
Magnaflow x-pipe

blk5genss · 05-07-2011, 10:08 PM

Track runs before going to Lethal

Dyno Run

Track Runs after going to Lethal

High Rev/Idle with and without Cam

Name: After the Cam Dyno Sheet.jpg
Views: 1905
Size: 108.7 KB

mystic98ls1 · 05-08-2011, 12:17 AM

The dynos printer broke but my mods are

BBK Longtubes and Highflows
Magnaflow axle back
K&N in stock box with a home made elbow
226/232 576/588 on a 115+4
and tuned by speedshift performance in Nashville

451.6rwhp
436.7rwtq

Im pretty happy for a small cam

haycosol1 · 05-08-2011, 01:33 PM

BUMP TO JESSE

blk5genss · 05-08-2011, 05:39 PM

Those are great number man! Take it to the track and have fun that's what I did!!

@ haycosol1 Bump back!! Is this who I think it is?

05-03-2011, 01:13 AM	#146
TinyToasta Drives: way too fast.... Join Date: May 2010 Location: Germany Posts: 297 View My Garage	Sorry, I need to put this out here, don't flame me for this, as it is only the way I'm seeing it: Imagine yourself sitting in front of the flywheel on a stock LS3... Turn the flywheel with your hands so the tires start spinning.... must be quite a effort to do this.... lets say (376 * 1,15) - 376 = 56 units of "effort" Now, put a blower on your engine, pulley, heads&cam, meth, and all the other good stuff that takes you to 650rwhp or beyond... Again: imagine yourself sitting in front of the flywheel trying to spin the tires with the very same hands as above... not possible? because you have heavily modded the engine (which in this situation actually sits "behind" you)? let's say (650 * 1,15) - 650 = 98 units of "effort"??? In other terms: why do I need another set of hands on the flywheel to turn the wheels on a heavily blown engine?? Nevermind, let's get on with some more dyno sheets and vids __________________ custom build forged LSA, 379ci, TVS2300@15psi, 696rwhp/688ft-lbs, built by DH Individual, Customkingz, tuned by Jannetty Racing JRE rough idle cam, JRE ported lower intake manifold, OD cog drive, 6% OD crank pulley, ported ls3 heads, NW102mm TB, 1/2'' RDS spacer, IW 8-rib drive Pfadt Cradle Bushings, Arms & Rods, Pedders Supercar w/FE4 conversion, ZL1 sways, HE Twin Carbon Street Slayer, ZL1 Rear End (3.73) CTS-V Brake upgrade, Street: 22'' Vossen CV1, Strip: 18'' Forgestar F14 on MT Street Radials

05-04-2011, 08:21 PM	#148
shawn18 OWTATIME Drives: 1969 CaRaMo Join Date: May 2009 Location: North Carolina Posts: 3,082	^^ I was extremely happy with those numbers, thanks! We had a blast doing this , we had around 12 or so 5th gens from our club there doing pulls. __________________

05-05-2011, 09:35 PM	#149
Rounki Drives: 2010 CGM SS/RS IO Int. Join Date: Aug 2009 Location: Austin, TX Posts: 269	Tuned by Henderson Performance (HPT) Mods are: XS Power 1 7/8 LT Headers and Catback Vmax TB ADM Street Intake Should've scheduled a couple days earlier when it was 30deg. cooler, haha. Still happy with the numbers. Thank you Corey! Attached Images __________________ Ron K. XS Power 1 7/8 LT Headers XS Power 3" Cat Back Vmax TB ADM Street Intake H&R Springs Forgestar F14s Tuned by HPT

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