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Silverado & Fullsize Pick-ups The Silverado has been one of the best selling trucks in the US for decades, and is truly proven to be "like a rock".

2014 Chevy Silverado
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  #1  
Old 07-23-2010, 11:41 PM
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Default My truck feels sluggish. Help

Im getting a 1995 Chevy K1500 Z71 with a V6. Its Automatic. Its a Short Box. When we test drove it it felt sluggish. It would get up to speed but it took a while longer then usual. What could the problem be if there is even one? I think its because its a big truck with a small engine.
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Old 07-24-2010, 12:45 AM
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Hi Hick727,

Welcome to the Chevy Forums.

Okay, the little bells in the back of my head are going DING,DING,DING! A Z71 with a V6 isn't unheard of, but do yourself a favor, and pop open the glovebox, and look at the Service Parts Identification sticker. The RPO codes you're looking for are Z71(Chassis package: Offroad) , and G80(Limited Slip Differential)[READ-POSI REAR]. Anybody can slap a pair of Z71 decals on the fenders. Now, is it 2WD or 4WD? This may affect your bargaining posture if it is not actually a Z71. Is it a private sale, or a car lot?

Three things which come to mind are the gas filter, air filter, and the transmission filter. I would change them all as a matter of course when picking up a used vehicle.

While it may have a lot less top end, and certainly won't be able to tow as well as a V8, it shouldn't be "sluggish" off the line. Perhaps you are accustomed to driving pickups with large V8s?

Last edited by therewolf; 07-24-2010 at 01:03 AM.
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Old 07-24-2010, 01:15 AM
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Its both 2WD and 4WD. I believe its a true Z71. Its a private sale. I think im gonna change all three of those things and the oil and the transmission fluid all right away.
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Old 07-24-2010, 01:24 AM
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This is the truck
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My truck feels sluggish. Help-3n73m93p05o65q65w6a7h066d9302a16b102d-jpg  
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Old 07-24-2010, 02:39 AM
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I'd advise you run some seafoam through it (all 3 ways), then do a full tune-up on it. That's a pretty good looking truck; nice find. Perfect candidate for a 6.0 swap ;-].
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Old 07-24-2010, 07:40 AM
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It does have Z71 rims.

Keep us posted how it works out.
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Old 07-24-2010, 09:54 AM
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Quote:
Originally Posted by Blindsight View Post
I'd advise you run some seafoam through it (all 3 ways), then do a full tune-up on it. That's a pretty good looking truck; nice find. Perfect candidate for a 6.0 swap ;-].
what do you mean all 3 ways?
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Old 07-24-2010, 11:02 AM
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i know 2 ways. put a can in the gas tank and run a can through your intake. im not sure about the 3rd way.
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Old 07-24-2010, 11:05 AM
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There are 3 main ways to use seafoam that will help clean your engine out and possibly (and probably) give you some performance back. All 3 are outlined on the back of the can.

The ways are:

In the crank case (in the oil, use for about 500 miles then change the oil)
Through a vacuum line that goes straight into the intake manifold. (Typically through a brake booster or pcv valve)
In your gas tank.

As I mentioned, all of these uses are outlined on the back of the can with pretty detailed instructions. Seafoam is a fantastic product.
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Old 07-24-2010, 05:10 PM
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x2 with blindsight
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Old 07-24-2010, 05:10 PM
 
 
 
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