Originally Posted by
TLR 8 4.0
I always thought that the bent headers were less efficient than the smooth headers. As well as the the larger Venturi. I guess if the engine makes more power, I won't be full throttle as often. In terms of the head shims, if I remove remove the smallest one, would I be able to run 30% nitro? I usually run 25% anyways but just wondering if it would still be safe.
well your following the conventional wisdom with your current setup and its giving you terrible mileage and probably less then stellar performance !
And yes you can remove 0.2 mm from a stock Nova and still run 30% fuel...just run a colder plug like a C7TGC