Tunin' er up
Do the fuel filter every 10,000 miles....$12.00 and 10 minutes of your time. But before you do it run a full can of Sea Foam through 1/4 tank of gas first, then do the change. I've been doing it every 3-4 months for 12+ years and my fuel system has never had an issue. 9 year old injectors too.
Do the rest of the stuff you mentioned too. There's an easy way to change the power steering fluid if you need it......but if that stuff is clean, I would leave it alone. You don't have the cheesy factory PS fluid cooler so you should be fine.
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Do the fuel filter every 10,000 miles....$12.00 and 10 minutes of your time. But before you do it run a full can of Sea Foam through 1/4 tank of gas first, then do the change. I've been doing it every 3-4 months for 12+ years and my fuel system has never had an issue. 9 year old injectors too.
Do the rest of the stuff you mentioned too. There's an easy way to change the power steering fluid if you need it......but if that stuff is clean, I would leave it alone. You don't have the cheesy factory PS fluid cooler so you should be fine.
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Anyways.... If you're going to be pulling the plugs and whatnot, I would also recommend some GM Top Engine Cleaner. It's a can of fluid that you put into the cylinders while you have the spark plugs out and it sits on top of the pistons and breaks up any carbon buildup on top. We did this to one bank of cylinders and before we did the other side, we used a Snap On boroscope to record the differences. Talk about a piston that looks almost brand new afterward. That stuff is awesome. Just pull your plugs, pour some into all 8 cyls (A funnel with a hose on the end works best), and go have lunch or something. About an hour later, pop your new plugs in, change the oil (some of it may leak past the rings, don't want that stuff in your oil), and start her up, make sure your garage door is open, because you're going to kill every mosquito within a 10 mile radius with all the smoke. What I like to do is buy two cans, one for the tops of the pistons, and one to suck up through a vacuum line while it's running. This will get the tops of the intake valves and also the intake runners. Most people only do the Vacuum line procedure, but throwing it on top of the pistons and letting it sit is a trick I picked up while working at the Chevy Dealership.
Last edited by BRUTL; Dec 7, 2010 at 03:53 PM.
Anyways.... If you're going to be pulling the plugs and whatnot, I would also recommend some GM Top Engine Cleaner. It's a can of fluid that you put into the cylinders while you have the spark plugs out and it sits on top of the pistons and breaks up any carbon buildup on top. We did this to one bank of cylinders and before we did the other side, we used a Snap On boroscope to record the differences. Talk about a piston that looks almost brand new afterward. That stuff is awesome. Just pull your plugs, pour some into all 8 cyls (A funnel with a hose on the end works best), and go have lunch or something. About an hour later, pop your new plugs in, change the oil (some of it may leak past the rings, don't want that stuff in your oil), and start her up, make sure your garage door is open, because you're going to kill every mosquito within a 10 mile radius with all the smoke. What I like to do is buy two cans, one for the tops of the pistons, and one to suck up through a vacuum line while it's running. This will get the tops of the intake valves and also the intake runners. Most people only do the Vacuum line procedure, but throwing it on top of the pistons and letting it sit is a trick I picked up while working at the Chevy Dealership.
I'd like to try that piston clean with the GM stuff since I( have to change my plugs next week. Is it a liquid or a foam.....???
I think before I started it up though, I'd turn it over for 5-10 seconds with the plugs out to splash most of the liquid out of each cylinder through the plug holes......don't want to hydralock the engine....ouch......
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