chevy 350 rebuild part 3

Removed piston rings, cleaned heads up and the valves. Timing chain cover is cleaned now and got some chevy orange paint... Soon as the parts get in it'll be ready to start assembly of the engine.

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How To Clean The Carbon From Top Of Pistons | Using Only Household Products
VISIT THE SITE TO SEE ALL PHOTOS AND VIDEOS ON THIS: http://www.mach1restoration.com/how-to-clean-the-carbon-from-top-of-pistons -using-only-household-products/ After pulling the GT40 heads from the 5.0 roller motor I discovered that the tops of the pistons were coated in a thick layer of black carbon buildup. The cylinder walls (bores) were in great shape with no gouges or burrs. This left me with 2 options. Option 1 was to disassemble the entire short block and replace the pistons and parts that were essential after short block disassembly. Or Option 2 was to try and clean these up and freshen up the cylinder walls. I chose option 2. I started by spraying the piston tops with the bathroom cleaner and I let it soak in for about 10 minutes. Next, I took an SOS or Brillo pad and soaked it in rubbing alcohol. I started to scrub and scrub until the carbon began to come off in places. This is a vigorous process that does require some old fashioned elbow grease but in the end the results are well worth it. Once all of the carbon was relatively gone off of the flat areas of the piston I broke out the air grinder with a brass brush for the valve reliefs The air tools are not essential if you want to take a little extra time with a brass bristled hand brush. Whatever you do, only use brass! After all of the carbon was clear I used the steel wool wet with alcohol and wiped down the cylinder bores and made them shine like new again. I gave the pistons a final rinse with alcohol and then vigorously oiled the pistons and the cylinder walls to ensure no surface rust would appear. I also sprayed them down with Ballistol (gun cleaner all natural) Anyone can do this with a little time and patients. Just take your time and you'll love the results!





Basic valve job
A demonstration on how to inspect and do a basic valve job.





How-To: Polish Cylinder Head Exhaust Ports
In this video I demonstrate how to Polish Exhaust Ports on a Chevy 350 Cylinder Head. Head #462624. Hope this video helps those of looking to port and polish your own cylinder heads! Please Subscribe!





Cylinder Head 105 - Valve Job Basics
Valves not sealing? Valves not bent? This is how you fix that problem. In this video I outline the basic valve job procedure. Cleaning the valves, cleaning the seats, cleaning the combustion chamber and lapping the valves in to make a better seal. Here I cover the process start-to-finish. It's the same exact process for pretty much all non-rotary combustion engines. It takes patience and perseverance to do this job, but anyone can do it. Reference your service manual for measurements and service limits. Everything else that's not in your service manual is in this video. I apologize for not having broken busted crap to work with in this video. It's more beneficial to all of you when bad fortune falls on me because it gets well documented, and many people watching these videos are looking for answers. If you have bent valves, you will discover it quickly once you chuck one up in the drill. You'll see the face of the valve wobble around while it spins. You'll see evidence of this damage on the valve seat. If it's bad, you may see damage on the valve guides in the form of cracks or missing pieces where the valve guides protrude through the head ports. Give all that stuff a good visual inspection. ...and if you doubt yourself, never hesitate to get a second opinion or consult a machine shop. They will have access to expensive tools that you wont find in your average gearhead's garage.




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