a quick step by step LOW BUDGET procedure on how to rebuild a b-series head.

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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.

Porting Honda B18C

Building a Ls/vtec motor
Built a Ls/vtec motor for a friend. LS block, CTR pistons, CTR cams, ported head, Just to show I just dont know DSM's lol

Civic B16 240hp
SDP Autosport inc. Built this engine that can go at 11,000 rpm and still working on 91 octane fuel. The bottom is almost like a stock but head work is crazy. We made new runner with the Dyno sheet you seen. Head porting is very nice as you can see but we most keep our secret thank you for looking. And please visit our web site to see what else we can do !!!