I hope you go through with this to shut alot of people up.
1.6`s will hurt nothing! ..include the rollerside, even better. $$
+ .100 pushrods is not a matter of working..."Is it the correct size?" That is not a mod...it`s a measurement that will not make the engine faster.
This must be correct.
Luci or Double would have to comment on the other questions....just a little bit to far advanced for my 101 !! smile!!