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Pickups Chevrolet Silverado & GMC Sierra Chevy Silverado and GMC Sierra Accessories and Modifications
160 messages, Last post on Nov 20, 2009 at 7:43 AM
You are in the Chevrolet Silverado & GMC Sierra Forum. Your Host is kcram
is it ok to run a 04 5.3l without a muffler or does it really need some back pressure. Thanks for your help?
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Replying to: chevy4x4 (Oct 08, 2007 8:23 pm)
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Replying to: obyone (Oct 08, 2007 9:43 pm)
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Replying to: chevy4x4 (Oct 10, 2007 8:18 am) |
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I have a 2000 GMC Sierra 4.3L V-6 step-side single cab truck. I am planning on doing a tune-up on my truck and was wondering what all i should do? Its got 113K miles. I also want to try to beef up the engine a little. Maybe a cold air intake, headers, and exhaust. Any suggestions on what kind of exhaust will get me loudest sound but stay legal? Also what else could I get to suck some more power out of that v-6? |
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Replying to: dhillger (Oct 18, 2007 11:31 am) Headers and cold intake won't do much for you either I'm afraid. However, gears might. Sorry if this post isn't what you want to hear. As far as tuneup replacing the plug and wires is about all it takes in that department.
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Replying to: obyone (Oct 18, 2007 1:28 pm)
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Replying to: dhillger (Oct 18, 2007 1:39 pm) Essentially you might consider changing the whole rear end. The RPO code in your glovebox will tell you what rear you have whether it be 3.23 3.73 or 4.11. An upgrade to a 4.11 will give you better acceleration off the line while costing you a little more in gas mileage. I wouldn't recommend a supercharger as the added compression of the forced induction could wreck havoc on a truck with over 100K miles. The rearend swap might be the most cost effective solution as I'm sure the junkyards have a huge amount of GM rears in their yards. Check here for rpo codes. |
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I recently bought a new 07 2500HD 4x4 crew cab, and was interested to see if anyone here has installed any kind of lift kit on a like truck. I was thinking of a 4" lift on the front only so it is more level with the rear. I would appreciate any thoughts or experiences anyone has had on the matter. Thanks! |
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