Re: thick or thin base gasket?
Ok I tried no base basket and could not keep a good seal. A good seal at the base is vital. I bought a base gasket but I used it for a pattern. The best I've found is the 1/16" thick charcoal black garlock. Very durable, heat resistant, just the right thickness. It re-times the ports just slightly higher. I have a slant head and my motor has great compression. Along with shift kit, tuned pipe, CNS carb I get about 42mph on a flat road with no wind.
Put something FUN between your legs..