We’ll take this as a compliment. And yes, we want to build good parts for you!

Also, “that guy” is involved with our product development. We just scale everything up to reduce cost. We all serve the customer.

 

I have a Lq4 6.0l im building. It has a forged K1 3.622 stroke crank and K1 H-beam 6.098 length rods with 4.030 Summit pro ls pistons. My engine builder with alot of experience over the years building engines. He suggested i not use gas port piston rings due to the increased wear. Being a street/strip engine and it not being a full race engine. He told me it's not worth the trade off for the extra ring seal with gas ports be it 10 more hp or whatever it may be vs a standard ring for longevity and less wear. You can take that however you want it's just what my builder told me. Now If your running a race engine and tearing your engine down often go for it.

 

He's probably thinking in terms of static gas ports that localize loading on the bore adjacent to the piston's gas port (that never moves). These rings are constantly in rotation, so they are never riding on one particular area of the bore. Lake Speed Jr. has been running them in his streetcar daily for a few years now. I wanted to check on this, so I called him for the latest mileage just now. As of this morning, he's at 30k miles and crankcase blowby numbers are the same as when it was new. It's important to remember when the Blow-By number drops this much out of the gate, they will never go higher than the relatively high numbers of conventional rings to begin with. While it's good to respect an engine builder's generalized opinion, Lake Speed Jr. deals in data and fact.

 

I couldn’t agree more with using these rings in a street engine. Lots of guys will pay $1k for a vacuum pump setup, to help ring seal, for 10-15hp. Lake knows what he’s talking about. I respect the guy a lot. I once bought a full containment seat from him, for my asphalt late model program. He’s a smart guy.

 

If these were around when I was building my 402, you bet your butt I would have used them! 100% street car and I wouldn't have thought twice about it. The benefits outweigh any downsides. My curiosity wonders what gains there would be, my wallet says no lol.

 

Running them now in my "street" 428ci. I also run a vacuum pump to help with crankcase pressure. Not sure how much either helps on its own but my engine runs strong.

 

My 408 will be the same.. The wisecos are gas ported (Lateral and Vertical) with Summit gas ported rings, and a vac pump.