Recent content by TheInspiredFool

Lol I am glad that your interested. Thank you. I hope to help some people out and will try to make it more interesting and easier to follow along.

Thanks for your feedback. I understand where you are coming from and agree with you on most things except for my contradicting my work... not sure about how that is meant or in what way. When doing custom port work and sharing as you go, if your being honest, it has a way of humbling you and...

Nice. I agree about the head design being a challenge and the limiting factor. Let me know how you come out on it.

If they don't have a rehab, they should start one! Lol I looked into a few upgrades and thought it was a little ridiculous what the cost was they were asking so I have not ever tried to build one of these up. I have always fitted a better engine from something else like a quad, dirt bike or...

Thanks. That's true. It just got to be like I was wasting my time posting to myself... which is worse than talking to yourself lol Sweet. Turbos and porting. Sounds like a blast. When porting for pressure vs pressure drop the air moves a tad different. The secret is that the magical extra flow...

Thank you for your kind words. I am honored and hunbled. I am not much for getting involved with forums and putting too much energy into something that is not much appreciated so it is a little discouraging to take the time to put my thoughts and progress down without much feedback or a way to...

What I'm trying to get at is that simply swapping cams out and leaving everything the same can only gain you so much and may even show a net loss. You could have to improve spark, adjust timing, adjust intake, exhaust, carb settings (ofcorse), valve springs, etc. Plus you have to be ready to...

The ready made headers are usually pretty good for general purposes but there are usually improvements that can be made to tune it better for your specific engine. Also engine timing is very important. If you just swapping cams out without providing suitable changes elsewhere you are not getting...

Other than the larger seat needed for the valve you can add angles and work on the throat width, angle and depth to improve flow with not only improved peak numbers but also flow and atomization characteristics to improve overall efficiency.

Have you guys paid any attention to the valve seat area? It's the most restrictive area in the engine and a tiny improvement in flow at the valve curtain can greatly enhance performance. If your working with just a run-of-the-mill straight 45° valve job it's likely the biggest improvement in...

I am thinking of re-doing the port once again. I am thinking that I can gain some more efficiency with a slightly different design. I am not sure that I am in the sweet spot for this engine configuration and my specific needs yet. There might be something left on the table. To get a pretty...

I investigated a bit and found my way to the document that you linked to. (For future readers) http://www.ep.liu.se/ecp/132/018/ecp17132181.pdf Thanks. I think I came across that one when it was recently published but I don't have it saved. This engine doesn't have enough piston speed or...

Thank you. I am humbled that you actually became interested in my thread and the fact that you fought through the walls of text is a testament to your resistance to boredom. lol I am not really a forum type of guy and tend to feel that if I decide to write things out that it's better to give a...

Hi gegcorp. Yes, I am using epoxy to raise the short radius "Floor" as well as re-shape the valve bowl in an attempt to gain VE from a more efficient port design. I also raised the roof to be able to decrease the grade on the short turn radius and biased the port to help encourage swirl and set...

New #'s Altered stock valve, 88% throat, mid length --------10"h2o-----28"h20-----------Full Lift-----CFM--------CFM---------Depression .025----na-------------na------------6.10 .050----na-----------11.22--------19.33 .075----na-----------22.20--------31.46 .100----18.23------30.55--------40.36...