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Old Jun 9, 2017 | 10:53 AM
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Looking to refresh my motor .It's a 2012 dry sump ls3 in a 2012 Grand sport what would most of you do.Possibly doing a supercharger in the distant future.
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Old Jun 12, 2017 | 04:09 PM
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When you say refresh, are you looking to pull it out and rebuild or just add to it to give it more power? How many miles are currently on it? What are the main goals (drag, street)? Any current mods?

Last edited by schizcat; Jun 12, 2017 at 04:10 PM.
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Old Jun 12, 2017 | 04:14 PM
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Car has 123,000 it's been well maintained never tracked and no desire to just wanting to do a freshening up was wondering about heads valve seals springs retainers and such that might be wearing down with this many miles.Car doesn't use any oil and is solid just wondering about preventive maintenance
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Old Jun 12, 2017 | 07:36 PM
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I would imagine that you would find your valve springs to be a bit light. I would replace those and the valve seals while you are at it.

You can send out an oil sample to get an idea if there is something wearing of failing inside your engine.

Probably a good time to change the coolant, plugs, air cleaner, cabin filters, and wires. It certainly cannot hurt to change trans and rear diff fluid as well.
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Old Jun 12, 2017 | 08:24 PM
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I've done a lot of those things filters,plugs,wires,coolant been flushed and tranny and differential were just done so guess I've got a decent start on things
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Old Jun 12, 2017 | 09:59 PM
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Heads just came off of mine at 200K, somewhere around 50K with a supercharger, guides are fine, valve are fine, replaced seals when I did springs but didn't burn any oil before that

I just just don't think I'd bother until there's a need personally. I'm not saying don't do maintenance on it, but no need to get into pulling the motor apart or anything like that. Mine had basically no lip at the top of the cylinders, pistons were fairly clean and what was on there came off pretty easy. I was pretty amazed.

Last edited by schpenxel; Jun 12, 2017 at 09:59 PM.
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Old Jun 13, 2017 | 07:51 AM
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Originally Posted by schpenxel
Heads just came off of mine at 200K, somewhere around 50K with a supercharger, guides are fine, valve are fine, replaced seals when I did springs but didn't burn any oil before that

I just just don't think I'd bother until there's a need personally. I'm not saying don't do maintenance on it, but no need to get into pulling the motor apart or anything like that. Mine had basically no lip at the top of the cylinders, pistons were fairly clean and what was on there came off pretty easy. I was pretty amazed.
I agree. I have over 80k on my 2011 GS, it gets hammered daily, and still runs as good as when I bought it new. Headers and a tune since 50k miles. Just normal maintenance - fluids, belts, filters, tires, brakes, etc.
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Old Jun 13, 2017 | 10:44 AM
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Originally Posted by Seadawg
I agree. I have over 80k on my 2011 GS, it gets hammered daily, and still runs as good as when I bought it new. Headers and a tune since 50k miles. Just normal maintenance - fluids, belts, filters, tires, brakes, etc.

No sense in doing this just for "maintenance". If you were going to pull the motor or heads or whatever to do anything, I recommend upgrades. You will probably end up spending the same amount of time and money. If the idea is to just enjoy the ride, then keep it clean and filled up with gas.
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Old Jun 14, 2017 | 05:43 PM
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May as well shortblock it now, good forged piston, make sure your end gap is right, will live longer.
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