How far to rev this 273 commando build

toolmanmike said
[QUOTE="stroker402
mufflers are dumped in front of axle .

Tail pipes can make a big difference. BIG[/QUOTE]

I had installed tailpipes when I had the flomasters 40's on ...... It got so rappy............. I took the tailpipes back off.
I think the only thing that is going to quiet this beast up is a x or h pipe.