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5.7 coming out 6.0 lq4 going in, what cam?

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Old 12-23-2016, 05:33 PM
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Default 5.7 coming out 6.0 lq4 going in, what cam?

Hey guys so my 5.7 gave up on me and I'm not sure what happened but I got a smoking deal on a 6.0 lq4. It was a 2000 block so I picked up a 12552216 cast crank and some ls2 rods, I plan on getting some lq9 pistons this week. My question is I am going to be swapping my prc 2.5 ls6 heads that were milled .20 and hopefully my tsp v3 cam, I'm hoping with the heads being milled and switching to flat top pistons will net me some good compression and hp but should I stick with my tsp v3 cam or should I consider other cams? I want to take advantage of the displacement of the 6.0 and the added compression my goal is close to 500rwhp, my 5.7 with the tsp v3 made 440whp. I called tsp and they said with what I'm doing with the 6.0 and the heads already being milled that to have enough ptv clearance I could only keep the v3 or upgrade to their tsp v4. So are there any other cams out there I could get away with that wouldn't give me issues ptv clearance wise and could get me somewhat close to 500rwhp?
Old 12-24-2016, 08:19 AM
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Anyone able to give me some insight, I've been searching ls1tech for two days straight and can't find a situation or question similar to mine to get an idea so any help would be great
Old 12-26-2016, 03:09 PM
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Anyone??
Old 12-26-2016, 03:18 PM
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What are the specs on your camshaft?
Old 12-27-2016, 08:02 AM
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500 rwhp won't happen with your build unless you go max effort on everything. As far as PTv goes, you'll have to measure it and see how much room you have.
Old 12-27-2016, 02:46 PM
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Originally Posted by speedtigger
What are the specs on your camshaft?

231/234 112 duration
Old 12-27-2016, 02:48 PM
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Originally Posted by mjs1012
500 rwhp won't happen with your build unless you go max effort on everything. As far as PTv goes, you'll have to measure it and see how much room you have.

Would it make a difference if I bored it out to a 370 and get a set of ls3 heads with a ls3 cam? Or will boring it to a 370 not really make a big difference?
Old 12-27-2016, 03:36 PM
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Originally Posted by blackfbird98
Hey guys so my 5.7 gave up on me and I'm not sure what happened but I got a smoking deal on a 6.0 lq4. It was a 2000 block so I picked up a 12552216 cast crank and some ls2 rods, I plan on getting some lq9 pistons this week. My question is I am going to be swapping my prc 2.5 ls6 heads that were milled .20 and hopefully my tsp v3 cam, I'm hoping with the heads being milled and switching to flat top pistons will net me some good compression and hp but should I stick with my tsp v3 cam or should I consider other cams? I want to take advantage of the displacement of the 6.0 and the added compression my goal is close to 500rwhp, my 5.7 with the tsp v3 made 440whp. I called tsp and they said with what I'm doing with the 6.0 and the heads already being milled that to have enough ptv clearance I could only keep the v3 or upgrade to their tsp v4. So are there any other cams out there I could get away with that wouldn't give me issues ptv clearance wise and could get me somewhat close to 500rwhp?
Originally Posted by blackfbird98
231/234 112 duration
That should have reasonable piston-to-valve clearance with .020" milled if it is on a 110 intake centerline. I would not mill more than that though.
Old 01-02-2017, 03:24 PM
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Originally Posted by speedtigger
That should have reasonable piston-to-valve clearance with .020" milled if it is on a 110 intake centerline. I would not mill more than that though.
What about this? https://www.texas-speed.com/p-1156-t...-camshaft.aspx

Thinking of making this a 370 build could I technically still clear with those heads?
Old 01-02-2017, 04:27 PM
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Originally Posted by blackfbird98
What about this? https://www.texas-speed.com/p-1156-t...-camshaft.aspx

Thinking of making this a 370 build could I technically still clear with those heads?
If you have forged pistons with valve reliefs it will clear, but that does not make it right for your build/combo. In your signature it says 3000 RPM stall. You need the right camshaft to match your stall or your acceleration from a stop and low speeds is going to be poor. I would not go bigger than the camshaft you have now with your current stall converter.



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