#317 LS2 Valves & Springs, Need Cam...
12-15-2008, 06:35 PM
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#317 LS2 Valves & Springs, Need Cam...
I just purchased a set of 317 Heads with LS2 valves, Seals & Springs with a max lift of .570 for a 6.0 4L80E swap I am doing on my 5.3 4L60 Yukon. At the moment I am dismantling the engine and am looking for a good cam to match these heads. I am new to this and just need a good point in the right direction. This truck will rarely ever hit the track, so I want it very streetable, I will be towing occasionally, I guess I would like a good middle of the road cam with good hp and tq increases. I also wouldn't mind if it sounded like it had a bit more muscle. Any links would great...
I know you guys are probably sick of cam questions, but as a noob I am still fairly thick when it comes to this sh*t.
I know you guys are probably sick of cam questions, but as a noob I am still fairly thick when it comes to this sh*t.
12-15-2008, 07:10 PM
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your 6.0 did not come with 317s? If you plan on towing, I would stay below 220/220 with a low lift on a 112 or a 110 lsa for lope. Keep in mind a low lsa is not forced induction prefered.
12-15-2008, 07:28 PM
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It did come with 317's but one of the heads was cracked from the exhaust header being hit in an accident breaking the header bolts off, everything else is perfect. I got the motor and trans for $1150 so I think I'm still doing pretty good...
Thanks for the info, much appreciated
Thanks for the info, much appreciated
12-15-2008, 09:38 PM
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http://thunderracing.com/dynographs/...n=read&pgid=94
This the one you are talking about? According to the the thunder racing website, it says it does not recommend 1.8 rockers with this cam. Thats what the stockers are right? Or is that only for the LQ9. What do I need to do about the rockers if I was to use this cam?..
This the one you are talking about? According to the the thunder racing website, it says it does not recommend 1.8 rockers with this cam. Thats what the stockers are right? Or is that only for the LQ9. What do I need to do about the rockers if I was to use this cam?..
Last edited by Copper&Black; 12-15-2008 at 09:44 PM.
12-16-2008, 11:58 AM
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yes, that one. Stock ones are 1.7 ratio. Another important factor in chosing a cam is your gearing and tire hieght. If you are running 4.10 gears and a 30" tire, you can get away with a little more cam than someone running 3.42 on a 30" tire.
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