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ly6 build

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Old May 17, 2017 | 11:28 PM
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Default ly6 build

okay i have an 08 ly6 and i just got done adding a ls9 cam with pac 218 springs and im going to be adding a holley mid rise carb intake with a edelbrock 750 carb and this is all going to be backed by a th400 with a 3200 stall how much power should i be making and is there anything that i should change about this setup?
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Old May 17, 2017 | 11:41 PM
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That ls9 cam wont like that mid rise or high rise...def not the best choice. Single plane need a narrower lsa than that.
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Old May 18, 2017 | 04:46 AM
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No idea of those specs on the LS9 cam off the top of my head, BUT, I guess it comes down to how much power you want to make Vs. how far you're willing to take the motor.

Willing to fly-cut the pistons or you want the biggest cam you can without doing anything more than a cam swap ?
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Old May 18, 2017 | 12:01 PM
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A quick google search would show you that.
Its a 211 230 .55x/.55x 122lsa. Def not made for a carb setup at all. itll fit easy with no flycut.
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Old May 18, 2017 | 12:03 PM
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Ly6 can make great power. My old one is listed in my sig. But, I think you need to ditch your cam and at the least go with a jyd cam from Cam motion. I have FTI in my car, and That's pretty much all I use.
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Old May 18, 2017 | 06:27 PM
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122 LSA ?....oh God....no, not that one.
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Old May 19, 2017 | 10:24 PM
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Don't use that LS9 grind.

Check out cammotion cams for square ports. It has literally ALL the details, requirements and intended use for the cams there. They can help you make a good decision. I am going with their junkyard dog grind for my 2008 LY6 myself. But it is a big of a grind you can use without fly cutting for the most part.
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Old May 27, 2017 | 07:55 PM
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What kind of car is this going in? As others have said I would ditch the LS9 cam
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Originally Posted by tech@WS6store
A quick google search would show you that.
Its a 211 230 .55x/.55x 122lsa. Def not made for a carb setup at all. itll fit easy with no flycut.
It is not so much the LSA that makes it a bad choice as it is the ICL. The IVC is going to be about 5-6 degrees late and the IVO is a whopping -16 degrees. Combine that with a short runner and big square port heads and that engine will be a torque-less mess.
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Old May 31, 2017 | 08:37 AM
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That's a nice way to say a dead dog down low. Lol
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