I'm building a junkyard LS/LQ9 for a magazine story and thought I'd pass along some tricks I've learned from different engine builders over the years on rebuilding a set of cylinder heads on the cheap. These tips will also work for Chevrolet small block/big block, Ford and Mopar engines. We'll touch on pulling valve stem seals, removing valve springs, lapping valves, checking valve seat seal, cleaning aluminum heads and more! Thanks for watching.

Tools I used:
LS valvespring compressor: https://amzn.to/31IesC0
Valve stem seal remove/installer: https://amzn.to/2MZYakt
Valve lapping compound: https://amzn.to/2NdpnjZ
Suction cup valve lapping sticks: https://amzn.to/2KselFf
Carbide tipped gasket scraper: https://amzn.to/2KuFGq4

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▬▬▬▬▬▬▬▬▬▬ Contents of this video ▬▬▬▬▬▬▬▬▬▬
0:00 Introduction
1:45 How to check if the cylinder head valve seat seal is good
3:45 Using LS valve spring compressor to remove springs
4:46 Removing cylinder head valve stem seals
5:40 How to check valve guide clearance quickly and easily
7:15 How to clean carbon deposit off of valves
9:20 Lapping in valves and seats
12:00 Installing new valve stem seals
14:04 Installing valves, retainers, locks, and valve springs on an LS cylinder head




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