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questions about choice/Cam swap on 2010 LY6 with 100,000 miles.... Replace lifters?

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questions about choice/Cam swap on 2010 LY6 with 100,000 miles.... Replace lifters?

 
Old 09-02-2013, 08:59 PM
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Default questions about choice/Cam swap on 2010 LY6 with 100,000 miles.... Replace lifters?

Hello all,


I don't know the previous history of the engine, only that it was in a plain-jane 2500 regular cab truck.... being a 2010 with 100,000 miles, they were mostly highway miles I think..


I am going to do a cam swap to make sure I have plenty of power out of this engine.... as I have driven a stock 2500 truck with this type of engine and I wasn't overly impressed with the top end or torque for that matter, of course, it was a long bed, quad cab, and very heavy ....



I have two VVT cams, one with 210/218 @.050 and .499/.499 lift

or

a Mast VVT-1 with the 220/234 @ .050 and .570/.588



This is going in a 5,000 lb LY6/4L80E / 4.11 gears/ 33-35 inch tires- 4X4 swapped truck with a 2,200 stall PTC converter....

I am looking for maximum power and mileage out of the cam, the best of both worlds.... thus, the reason I am staying VVT.....

hate to come off as a newb, but, I am not used to these VVT cams and camming a VVT engine for a heavy truck..... All I know is that I don't want to be dissappointed at the gas pump or when I put the skinny pedal down....

I am just as afraid of doing all the work and being dissappointed with the cam being either too small or too large. I have been trying to get feedback on the MAST VVT-1 cam users with trucks and see what kind of mileage people are reporting compared to the stock cams....


Also, I am wondering if I should replace these lifters while I am into the engine or just do the cam swap and leave the stock lifters in place?

Last edited by WRXINTX; 09-02-2013 at 09:16 PM.
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Old 09-08-2013, 10:42 AM
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Try a SEARCH using "Patrick G" He has spec'd a custom VVT cam with success before. Obviously he specs the proper springs and might have insight on lifters. At least replace them with new replacement lifters.
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Old 01-07-2019, 11:03 PM
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Default Do I need to change lifers?

Originally Posted by Jimbo1367 View Post
Try a SEARCH using "Patrick G" He has spec'd a custom VVT cam with success before. Obviously he specs the proper springs and might have insight on lifters. At least replace them with new replacement lifters.
I just bought a ly6 complete engine with 30,000 miles. My plan is to install it in my 2006 pontaic gto with a built t56 trans. I want to install headers without cats back, loopy cam that makes power on the big end. Now deleting the vvt do I need to change the lifters? I've been messaging the guys from texas speed and they say no all I need is
58x adapter https://www.texas-speed.com/p-4734-lingenfelter-58x-24x-crank-sensor-trigger-conversion-module-58x-24x-reluctor-wheel-conversion-module.aspx

Vvt delete https://www.texas-speed.com/p-724-vvt-delete-kit.aspx

Cam kit Bald eagle cam https://www.texas-speed.com/p-249-texas-speed-dual-spring-cam-package-for-rectangular-port-heads-ls3l92lsal76.aspx

Gm ls3 manifold https://www.texas-speed.com/p-4476-gm-ls3-intake-manifold-assembly.aspx
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Old 01-07-2019, 11:33 PM
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VVT you only change the cam sprocket, front cover, and the sensor itself, along with a wiring extension.
AFM/DOD you change the lifters, lifter trays, pushrods, and valley cover. Plus cam if desired.
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Old 01-07-2019, 11:42 PM
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Originally Posted by G Atsma View Post
VVT you only change the cam sprocket, front cover, and the sensor itself, along with a wiring extension.
AFM/DOD you change the lifters, lifter trays, pushrods, and valley cover. Plus cam if desired.
thank you for the info. I'm glad the guys at texas speed were right then. Im gunna start buying parts. Anything else you recall I would need to get close to 500 hp
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Old 01-07-2019, 11:43 PM
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Is there a better intake then a stock ls3? That's cam kit from texas speed?
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