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post #1 of 10 Old 03-11-2013, 07:59 AM Thread Starter
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HP Readings

Can someone explain to me the difference between rear wheel HP and flywheel// and I may be wrong on the wording. Rookie with the Camaro, just picked up mine in February, 2010 SS/RS 6 speed manual. Has the catback SLP exhaust, cold air intake, had her professionally tuned and dyno and the guy told me I am pushing 480HP RW and upper 5 hundreds Flywheel or something like that. That seems high with what I have done or no?

I can tell a difference. The jump seems a lot better and really throws me back in my seat which is nice. He says my next step would be to put headers on but I am going to wait a while. Steve
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post #2 of 10 Old 03-11-2013, 09:58 AM
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RWHP takes into account driveline losses. flywheel HP is at the back of the engine, thus no driveline losses.

James 1:25 Ordered from Faulkner Chevy #NKCF02 1100 5/8/9 2000, 3300 7/16/9 TPW 7/20,GOT MY (low) VIN! 4000 7/24/9 ,Picked up 8/7/9!!! Signed Litho #45. Car signed by FBodfather 2011. Service: Jennings Chevy in PA. We don't "drift", kiddies... we POWER SLIDE! MOTM/COTM Sept 2012 Pro Patria Vigilans.
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post #3 of 10 Old 03-11-2013, 01:43 PM Thread Starter
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ok, thx!
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post #4 of 10 Old 03-11-2013, 01:54 PM
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15-20% on average.... depending on trans type.

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post #5 of 10 Old 03-11-2013, 02:22 PM
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Originally Posted by futurenthebag View Post
Can someone explain to me the difference between rear wheel HP and flywheel// and I may be wrong on the wording. Rookie with the Camaro, just picked up mine in February, 2010 SS/RS 6 speed manual. Has the catback SLP exhaust, cold air intake, had her professionally tuned and dyno and the guy told me I am pushing 480HP RW and upper 5 hundreds Flywheel or something like that. That seems high with what I have done or no?

I can tell a difference. The jump seems a lot better and really throws me back in my seat which is nice. He says my next step would be to put headers on but I am going to wait a while. Steve
That's a bit optimistic. Stock they are around 370 RWHP. Those mods would probably only get you 40 RWHP more. So you are probably looking at about 410 RWHP or so. I would believe 480 at the flywheel though.

EFR Twin Turbo LFX-GPI Tune-ZL1 fuel pump-10:1 CR forged pistons-3.45 gear-Meth Injection-BMR Trailing Arms, Bushings & Sway Bars-CircleD 4000 Stall-GPI Fuel Enrichment System
647 RWHP & 726 RWTQ @20 psi on 93 Octane (locked converter)
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post #6 of 10 Old 03-11-2013, 04:39 PM
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Quote:
Originally Posted by GretchenGotGrowl View Post
That's a bit optimistic. Stock they are around 370 RWHP. Those mods would probably only get you 40 RWHP more. So you are probably looking at about 410 RWHP or so. I would believe 480 at the flywheel though.
+1, me thinks someone's dyno is wacky or someone is messing with the CF etc....

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post #7 of 10 Old 03-11-2013, 04:43 PM
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Input the wrong vehicle weight, or other variables, and the HP readings will be off.

James 1:25 Ordered from Faulkner Chevy #NKCF02 1100 5/8/9 2000, 3300 7/16/9 TPW 7/20,GOT MY (low) VIN! 4000 7/24/9 ,Picked up 8/7/9!!! Signed Litho #45. Car signed by FBodfather 2011. Service: Jennings Chevy in PA. We don't "drift", kiddies... we POWER SLIDE! MOTM/COTM Sept 2012 Pro Patria Vigilans.
Click the pic.. I don't tolerate fools.
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post #8 of 10 Old 03-11-2013, 05:51 PM
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Dang, wish i was pushing 480 at the wheels with a catback and cai.
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post #9 of 10 Old 03-12-2013, 02:01 PM Thread Starter
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ok, thanks! yea, that is what I was thinking but I am the forever optimist. Maybe since he charged me so much he was trying to make me feel better about giving him so much cash. Runs good though so will have to see what she will do on the quarter mile in a few weeks.

thanks again!
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post #10 of 10 Old 03-12-2013, 02:29 PM
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Originally Posted by futurenthebag View Post
ok, thanks! yea, that is what I was thinking but I am the forever optimist. Maybe since he charged me so much he was trying to make me feel better about giving him so much cash. Runs good though so will have to see what she will do on the quarter mile in a few weeks.

thanks again!
I bet she does run good. Be sure to post your times so we can all gawk at them.

EFR Twin Turbo LFX-GPI Tune-ZL1 fuel pump-10:1 CR forged pistons-3.45 gear-Meth Injection-BMR Trailing Arms, Bushings & Sway Bars-CircleD 4000 Stall-GPI Fuel Enrichment System
647 RWHP & 726 RWTQ @20 psi on 93 Octane (locked converter)
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