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Generation IV Internal Engine
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Old 06-05-2010, 07:00 PM   #1
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Default LY6 engine

Hey Guys, I'm new LS1 Tech. I just bought a LY6 complete with everything, injection, power steering pump, alt, air conditioning compressor starter and it only has 25 miles on it. It will be going in my 1969 camaro. Thinking of a cam from Comp cams. They have Cams that will work with the VVT. I would like any advice on mods for this engine that will wake it up. For now I want to keep the truck intake because I don't want to change the serpentine system to make a new one fit. $$$$ I will be putting a 6 speed behind it and would like to know if that will affect the VVT. thanks
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Old 06-05-2010, 07:40 PM   #2
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wtf is a LY6? and what did it come in?
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Old 06-05-2010, 08:50 PM   #3
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LY6 is the 6.0 engine that comes in 2007 and up 2500 3500 gm trucks, It has variable cam timing.
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Old 06-05-2010, 08:50 PM   #4
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Gen IV
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Old 06-05-2010, 08:54 PM   #5
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LY6

The Vortec 6000 LY6 is a Generation IV small block V8 truck engine. It shares the same bore and stroke as its LQ4 predecessor, and also features variable valve timing.

LY6 applications:

* 2007-present Chevrolet Silverado HD
* 2007-present GMC Sierra HD
* 2007-present Chevrolet Suburban 3/4 ton
* 2007-present GMC Yukon XL 3/4 ton
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Old 06-05-2010, 09:11 PM   #6
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Got one in my firebird. Absolutely awesome.
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RUNNING AND FULLY FUNCTIONAL Variable Valve Timing LY6 engine out of a 2007 Chevy Silverado 3500HD,L92 heads and full bolt-ons.. Shooting for 400rwhp on 9.6:1 compression. Build thread at http://www.ls1tech.com/forums/conver...d-formula.html
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Old 06-06-2010, 10:02 AM   #7
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does the VVT work with a 6 speed trans
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Old 06-06-2010, 09:37 PM   #8
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yes, VVT works with the 6-speed trans.
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RUNNING AND FULLY FUNCTIONAL Variable Valve Timing LY6 engine out of a 2007 Chevy Silverado 3500HD,L92 heads and full bolt-ons.. Shooting for 400rwhp on 9.6:1 compression. Build thread at http://www.ls1tech.com/forums/conver...d-formula.html
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Old 06-07-2010, 08:10 PM   #9
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Is it in the trail Blazer SS too?
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Old 06-08-2010, 06:40 PM   #10
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No, I believe the trail blazer has a all aluminum engine
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Old 06-08-2010, 07:22 PM   #11
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LY6 also come with L92 heads. My new engine is a LY6 but I deleted the VVT.
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Old 06-08-2010, 09:32 PM   #12
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what is all necessary to delete the vht? can u still run a ls1 cam if u have the 3bolt ls2 cam sprocket?
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Old 06-10-2010, 12:19 AM   #13
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Quote:
Originally Posted by PwrdbyLS1 View Post
LY6 also come with L92 heads. My new engine is a LY6 but I deleted the VVT.
Why did you delete the VVT. The intake valve closing is the most important valve action in the valve train. You can make great power low and in the higher RPM range as well. I talked to comp cams and they make phase limiters that will allow you to run a larger cam. For a street car torque is king, stop light to stop light.
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Old 06-11-2010, 01:03 AM   #14
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Quote:
Originally Posted by cookseyb View Post
Is it in the trail Blazer SS too?
TrailBlazer SS has an LS2 backed by a 4L70E (no VVT or DOD)
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Old 06-12-2010, 11:05 AM   #15
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I know they make performance cam for vvt and that's a make great performance all over the power range but in my 99 camaro, too much modification were needed. New PCM and the analog gauges don't work anymore with the pcm. Electronical modifications is not stuff, I'm a mecanical guy and the knowledge about these engine, here in Canada, is far from USA.

Quote:
Originally Posted by tolly1969 View Post
Why did you delete the VVT. The intake valve closing is the most important valve action in the valve train. You can make great power low and in the higher RPM range as well. I talked to comp cams and they make phase limiters that will allow you to run a larger cam. For a street car torque is king, stop light to stop light.
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Old 06-12-2010, 11:17 AM   #16
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Quote:
Originally Posted by PwrdbyLS1 View Post
I know they make performance cam for vvt and that's a make great performance all over the power range but in my 99 camaro, too much modification were needed. New PCM and the analog gauges don't work anymore with the pcm. Electronical modifications is not stuff, I'm a mecanical guy and the knowledge about these engine, here in Canada, is far from USA.
That is cool, I guess I got lucky. I have all the stuff to make it work in a 69 Camaro. I will have to figure out the gauges work, But it will be worth it in the long run.
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Old 06-12-2010, 11:17 AM
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1500, 60, 6000, camaro, chevy, compcams, compression, engine, gm, liter, ls1tech, ly6, performance, v8, vortec, vvt


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