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Replacing valve stem seals in 305 H.O. small block chevy from 1986 Monte Carlo SS

I'm putting the original 305HO back in the Monte after taking the ZZ3 out for my Iroc project. This is mainly to make the car mobile but it may end up tagged with this engine for a while. Previous owner reported that this 305 has over 100k miles on it and has been out of the car since 1997. He said it smoked during startup and sure enough the valve stem seals were worn out. Hopefully this will fix the issue.


 


More Videos...


Valve seal Replacement
Leaking valve seals cause your engine to smoke when you first start it up, and then it usually runs the rest of the day with no smoke. Usually replacing the valve seals will fix the problem. Here's how to do it. Of course other engines may vary to some degree but the basics are the same.





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.





How to Adjust Valve on a Small Block Chevy
Family owned and operated for over 40 years with over 75,000 satisfied customers. Rated #1 Click on blue link http://www.enginefactory.com/letters.htm This video shows our procedure how to properly adjust valves. This works on all engines with adjustable valve train. Produced by enginefactory.com Worlds leader in turn key muscle car engines.





how to change valve springs
upgrading from stock, to comp cams 26986 valve springs.





How to Reseat / Lap Valves (Basic Valve Job)
In this video i'm explaining how to reseat or lap valves in a flathead or overhead valve engine. Also can be called a valve job, but this is not a complete valve job. I also used to much valve grinding compound, it does not require a whole lot. Usually when a engine needs this done is when a engine has low compression that is found to be leaking around the valves, or sometimes a engine will backfire do to the valves not closing completely/properly. Thanks for watching.





Testing for Leaking/Bent Valves
--Please Read-- :) Some of the best advice I can offer you about fixing your car is to search for an online forum related to your car, or even for your specific engine. If you have a popular car or engine, this can be an amazing tool in diagnosing and fixing cars yourself! -------------------------------------------------------------- Directions 1. Get kerosene, gasoline, or break cleaner. 2. Tilt head on its side, with the ports of the valves you're testing pointing up and exposed. 3. Fill the intake or Exhaust ports with the liquid you chose, make sure to use enough liquid to cover the back of the valve head completely inside the port. 4. Look at the valve surface in the combustion chamber for leakage. (Let it sit for several minutes) 5. If there is a leak, you could have a bent valve or just a bad seal of the valve to the head. You might have to replace the valve, or just use some lapping compound to lap the valve/seat to resurface. 6. Repeat for the other side if you wish. 7. This is a great time to replace valve seals if you have noticed they are worn too much. 8. If you have any questions, please post them here and I'll try to answer them quickly. -------------------------------------------------------------- You just tilt the head on one side or the other depending whether you want to test the intake or Exhaust valves. I'm testing the intake valves in this video. I did this way because I didn't have the leakdown test equipment, but also because I wanted to replace my head gasket anyway. I wouldn't say this is the best way to test initially if you suspect leaking or bent valves because it requires you remove the head. Try just a regular leakdown test first. But if you're taking it off anyway it's pretty nifty and doesn't require the leakdown test tools. There are several methods to do this, this is just the one I chose in my situation.





How-To Machine a Chevy 350 V8 Small Block Engine
Chris Duke from Motorz TV http://www.motorz.tv takes our Chevy 350 small block to the machine shop to show you the process of machining a block. Special guest Britt Bostick from NuTech Engine Systems. Show notes: http://www.motorz.tv/machine-shop/ Website: http://www.motorz.tv/ Facebook: http://www.facebook.com/motorztv Twitter: http://twitter.com/motorz/ Watch the complete Chevy 350 engine rebuild series: 1. Tear Down: http://youtu.be/LZO1fWVxN4c 2. Machine Shop: http://youtu.be/e3r3wRBoXkk 3. Bottom End: http://youtu.be/gfrYWKi78zc 4. Top End: http://youtu.be/g46s-Vr4Br0 5. Finale: http://youtu.be/mvJNMN-oP68





How to Properly Adjust Valves on Roller Rocker Arms
Family owned and operated for over 40 years with over 75,000 satisfied customers. Rated #1 Click on blue link http://www.enginefactory.com/letters.htm This video shows our procedure how to properly adjust valves. This works on all engines with adjustable valve train. Produced by enginefactory.com Worlds leader in turn key muscle car engines.





COMP Cams How to Set a Valve Lash
Valve lash is the mechanical clearance in the valvetrain from the valve tip to the rocker in a pushrod engine using solid lifters. Watch as COMP Cams explain how to make lash valve adjustments with the proper tools. http://www.summitracing.com/redirect?banner=SocialYT1189





How to Test Head Gasket
** Please see my other videos on this topic* Thx! This video is intended for those who would like to know how to confirm a damaged head gasket on a vehicle prior to making the decision to invest a lot of money for repair. My apologies for the camera focus- next video I will pay closer attention, but the information needed is viewable. Further research should be done on the risks of overheating to the engine block and such. This video is meant to simply show a 'how to' on the test method I used quite often when professionally working on vehicles, the results of which are based on chemistry and industry-standards of the time (1990's). I hope you find this video useful. RI.





2 Minute Valve Spring Removal How To.
I'm in the process of rebuilding a Perkins 4 cylinder 236 cubic inch engne (4-236). I had a 4-248 engine originally but it had a hole in the block so I bought a 4-236. This is the head from the 4-248. The heads are the same so I'm rebuilding both. This is just a quick how to remove the valve springs with a hammer and deep socket. The head will require some cleaning of rusty passages since the Exhaust pipe wasn't blocked from rain and snow. Its a simple procedure and can be done inhouse. Most times you would put a rag in the cumbustion chamber to keep the valves from going down with smack of the hammer but these valves are rust stuck so I didn't use a rag this time. When you put the valves back in you would definitely use the rag method for the valves. Most older engines can be done this way. Chev, Dodge or my favorite Ford can be done this way. I'm not sure about the newer engines but it might be worth a try. This is just my experience with valve spring removal and you can expect similar results with similar head setups. You could also do this method with the head still on the engine as long as you pressurize the cylinder. That would be another howto video that is probably already posted on Youtube. I'll be posting a video of inhouse valve spring installation when I'm ready to put this head back together.





HowTo - Change Valve Stem Seals
Thought I'd take a moment to post a how-to guide. Got the head off your engine for any reason? Head gasket kits usually come with a new set of valve stem seals. You can install them yourself with one simple tool. It's totally worth doing, old hardened seals will allow oil into the engine which will cause a blue smokey cloud at traffic lights or when restarting the engine. Easy fix, just follow my guide.





Hydrraulic Lfter / Valve Adjustment





Fitting new valve guide seals without removing the cylinder head Suzuki Vitara
This is how you can remove and replace valve guide seals with the head still on the engine. Normally you have to have the head off so you can fit the valve spring compressor on to the head of the valve. I had heard of this method but never tried or seen it done before. The only special tool is a piece of string. Watch the video and see the "Essex Red Neck" at work :-)





Engine build part 7
Here is the link for the series on a DVD http://realfixesrealfast.com/realfixesrealfast.com/Repairs/Pages/Rebuilding _an_engine.html Cylinder Head Adjusting valves Installing distributor




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