Turbo Camshaft Theory

[RustyRatRod]

So most of yall know I am building a turbo slant 6 for Vixen. My project "Cheap & Nasty". I would like to discuss turbo camshaft theory. I know that normally, turbo engines use a wider LSA than N/A engines. Usually on the order of 112 and 114. However, I've been reading a lot lately on turbo cam theory and it seems that has changed with modern turbo technology. So my question is, is there any reason I couldn't run a camshaft with say a 108 LSA with a turbo and tune it accordingly? I'm not asking regarding the Cheap & Nasty project. This would be for the next project after Cheap & Nasty, after getting my feet wet and getting familiar with turbo tuning on the stock 225. Any input is greatly appreciated. Thank you. Drive through.

 

[MV8]

Minimal overlap due to exhaust pressure being much higher and greater reversion. Also little to no need for a muffler, (hence the original corvair turbo mini-muffler). Stock spec cams work well.

 

[Toluene56]

I have a .257/.267@050 108lsa solid roller in my stroker.. turbo doesn't seem to care. Although that was with the carburetor. I like Richard Holdener's ideology. Every cam is a turbo cam. Whatever the engine does na, will reflect the same style curve with boost, just at a higher horsepower level. (Although linear boost curves from centrifugal superchargers can skew that a bit.). But I do see where minimal overlap can help with building boost and driveability, but not necessarily better power production overall.