Hi Eddy,

The exhaust really doesn't smell of anything. I did discover that the butterfly at the top of the carb is always open and I can keep the engine running by feathering it close to closed.

Here's what it sounds like at the Tail pipe

Seems like a terrible misfire

'97 Montero 'LSR' - 4.6 gears & factory rear locker, 33" Procomp muds on 15x8 steelies, 50mm coil spacers, T-bar crank, Airlift, sans rear sway, 50mm rear frame & fuel tank lift, Aisins, ARB front bumper + 10k lb winch, 50mm DIY body lift, rock sliders, cut rear quarter panels...