Started Porting the Heads on the Chevelle
I decided I needed to start working on the Chevelle since it's been sitting for such a long time. I pulled one of the heads and started cleaning up the ports and combustion chambers. I started tearing it apart at about 8 tonight and my wife came out and got me a midnight so I only finished a combustion chamber and exhaust port on one cylinder. I need to get more supplies tomorrow so I can work on it again tomorrow night. I'll also take some pictures of and post them up.
Glenn, do you have access to a flow bench? If so, would you be willing to flow my heads for me? I'd like to finish porting one head and then compare it to the other head before I port it. |
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What I found is: if you use a flow bench, all you will do is drive yourself crazy. You'll be there for days. I once spent 3 days on one port.:bang: |
Port, polish, CC them and call it good.;)
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Here are some pictures I took tonight before I started working. Since I already did one I took pictures of it and then of one that wasn't done yet. Sorry for the bad pitures but I didn't have very good lighting. As you can see I didn't do much to the intake port besides blend the end of the runner and smooth the short side radius which you can't see all that well. On the combustion chamber I just smoothed it and then unshrouded the sides by both valves. I didn't change the shape at all. The exhaust port is where I spent most of my time. I didn't touch the floor just the roof and walls and I smoothed the short side radius on it too. I also finished the second one tonight so two more to go and then I can pull the other head and start on it.
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