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Dyno Run

Dyno Run

Postby griff364 [OP] » Jul 22 2013, 12:44am

Hey guys!! It's been a while since I posted on the site.

Here's one of the things I've done since I've been on:

Dyno.JPG


So after an intake, headers, exhaust, cam, and tune, I'm looking at about 92 rwhp over stock.

My math is taking into account the stock 315 crank hp which after about a 15% power loss through the auto trans to the rear wheels should equal about 268 rwhp.

360 whp should equal about 424 to the crank giving me 109 hp increase at the crank.
K&N intake, LT Headers, 3" exhaust, ARP Headstuds, COMP Cam, Upgraded rocker arm bearings, pushrods, and valve springs, AFM deleted, VVT deleted, LS7 Lifters, Tuned
Eaton SVT root supercharger @ 10 lbs
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Re: Dyno Run

Postby griff364 [OP] » Jul 22 2013, 12:45am

Yes, I noticed that little dip at about 5500 rpm. You cannot feel it at all, and the guys could not tune it out.
K&N intake, LT Headers, 3" exhaust, ARP Headstuds, COMP Cam, Upgraded rocker arm bearings, pushrods, and valve springs, AFM deleted, VVT deleted, LS7 Lifters, Tuned
Eaton SVT root supercharger @ 10 lbs
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Re: Dyno Run

Postby mag11SGM » Jul 22 2013, 1:14am

Nice solid numbers
2015 Silver Ice Metallic CC SB Z71.
2004 White GMC Yukon SLT.
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Re: Dyno Run

Postby Voodoo » Jul 22 2013, 1:20am

I sometimes just listen to your YouTube vid of that baby running...It sounds SOOOOOOOOOO good!!!
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Re: Dyno Run

Postby tcnoakes » Jul 22 2013, 2:22am

Whoa... those are some good numbers for the add ons! What tuner r u using
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Re: Dyno Run

Postby griff364 [OP] » Jul 22 2013, 5:27am

Voodoo wrote:I sometimes just listen to your YouTube vid of that baby running...It sounds SOOOOOOOOOO good!!!


Voodoo, you crack me up man... Thank you!!!

tcnoakes wrote:Whoa... those are some good numbers for the add ons! What tuner r u using


It was tuned with EFI live
K&N intake, LT Headers, 3" exhaust, ARP Headstuds, COMP Cam, Upgraded rocker arm bearings, pushrods, and valve springs, AFM deleted, VVT deleted, LS7 Lifters, Tuned
Eaton SVT root supercharger @ 10 lbs
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Re: Dyno Run

Postby hogwildmike » Jul 22 2013, 12:14pm

hey griff. couple questions..

I've got a 2005 Silverado crew-cab (2-wheel drive) LS with the Vortec 5.3 V8. I'm thinking about having the top end rebuilt. I was looking at your signature and noticed that you've got: 'upgraded rocker-arm bearings; pushrods and valve springs, as well as LS7 lifters. I was just wondering if you could point another fellow chevy motorhead in the right direction here. Basically, I was wondering if you could tell me where you got those performance parts and also, do you know of any websites/companies that sell strictly performance parts for the LS engines? Like the 5.3, 6.0 and so on?

Sure would be appreciated.
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Re: Dyno Run

Postby griff364 [OP] » Jul 23 2013, 1:18am

no problem mike. The whole cam and valvetrain parts were ordered from Comp Cams. They are very knowledgeable with LS engines and can get you the perfect setup for whatever your goals are. We had an in-depth conversation about how my truck will remain a daily driver and what I wanted to get out of the engine. With that, they suggested a cam, and then recommended all the supporting valvetrain components.

The rocker bearings are a common replacement for the 5.3 when you're adding power. Because my cam is producing more lift, they suggested the stiffer springs, and also hardened pushrods of different length due to the different lobe duration of the cam.

After doing a lot of reading on-line it was determined that the AFM/DOD lifters cannot handle high hp numbers. That's why I deleted my AFM. Since I was doing that, I went with corvette lifters, just because I could. My engine will never see the high rpms that they can support, but at least I know they can take it. If you do not have AFM then your lifters will be fine. I'm not sure if you have hydraulic roller lifters in your '05, but those will be a nice upgrade if you don't.

If you take a look at my "how to" on deleting AFM/DOD and VVT you'll see a list of all my part numbers. How to delete your AFM / DoD and/or VVT

Comp Cams, Summit racing, and GMpartdirect.com is where I bought everything from.

I hope this helps, and if you have any more questions, don't hesitate to ask!
K&N intake, LT Headers, 3" exhaust, ARP Headstuds, COMP Cam, Upgraded rocker arm bearings, pushrods, and valve springs, AFM deleted, VVT deleted, LS7 Lifters, Tuned
Eaton SVT root supercharger @ 10 lbs
Original Poster
griff364
Armed Forces
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Combustion on 2 pistons [L2]
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Posts: 231
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Joined: Feb 14 2013, 11:03pm
Years of membership: 3 years of membership3 years of membership3 years of membership
Location: San Diego
Year: 2011
Make/Model: GMC Sierra
Extra Info: 4x4 Flex Fuel
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Re: Dyno Run

Postby hogwildmike » Jul 23 2013, 12:06pm

griff364 wrote:no problem mike. The whole cam and valvetrain parts were ordered from Comp Cams. They are very knowledgeable with LS engines and can get you the perfect setup for whatever your goals are. We had an in-depth conversation about how my truck will remain a daily driver and what I wanted to get out of the engine. With that, they suggested a cam, and then recommended all the supporting valvetrain components.

The rocker bearings are a common replacement for the 5.3 when you're adding power. Because my cam is producing more lift, they suggested the stiffer springs, and also hardened pushrods of different length due to the different lobe duration of the cam.

After doing a lot of reading on-line it was determined that the AFM/DOD lifters cannot handle high hp numbers. That's why I deleted my AFM. Since I was doing that, I went with corvette lifters, just because I could. My engine will never see the high rpms that they can support, but at least I know they can take it. If you do not have AFM then your lifters will be fine. I'm not sure if you have hydraulic roller lifters in your '05, but those will be a nice upgrade if you don't.

If you take a look at my "how to" on deleting AFM/DOD and VVT you'll see a list of all my part numbers. How to delete your AFM / DoD and/or VVT

Comp Cams, Summit racing, and GMpartdirect.com is where I bought everything from.

I hope this helps, and if you have any more questions, don't hesitate to ask!



Yeah that actually helped me out a lot. Thanks buddy.

Oh, and just for fun.. I'm pretty sure my truck doesn't have the AFM. Wait, are you talking about the 'Automatic Fuel Management' system? If so, I'm not sure and I'll need to do some checking on that subject.
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Firing on 5 cylinders [L1]
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Extra Info: procharged 5.3 V8
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Re: Dyno Run

Postby griff364 [OP] » Jul 24 2013, 1:06am

I mean the "Active" fuel management aka DoD (Displacement on Demand)

I don't think '05s have it, but I could be wrong
K&N intake, LT Headers, 3" exhaust, ARP Headstuds, COMP Cam, Upgraded rocker arm bearings, pushrods, and valve springs, AFM deleted, VVT deleted, LS7 Lifters, Tuned
Eaton SVT root supercharger @ 10 lbs
Original Poster
griff364
Armed Forces
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Combustion on 2 pistons [L2]
Combustion on 2 pistons [L2]
Posts: 231
Topics: 21
Images: 5
Joined: Feb 14 2013, 11:03pm
Years of membership: 3 years of membership3 years of membership3 years of membership
Location: San Diego
Year: 2011
Make/Model: GMC Sierra
Extra Info: 4x4 Flex Fuel
Group Membership:
How-to Authors
Registered users
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