Syncronized exhaust note

[OVALTECH1]

I’ll try to get it to upload later. Yes this was at Slippery Rock Raceway

 

[paulkish]

ok, just noticed the restrooms in the background ...

Boy how I wanted to get there yesterday but couldn't make it because of other stuff.

...

 

[OVALTECH1]

you missed a good flathead feature I’ll tell ya that.