good evening,my 69 sprite is really acting up and i'm about to go nuckin' futts. it barely runs and when it does it's not good,i get pops thru the exhaust & intake,will not take any acceleration,misfiring,moving distributor has no effect.points,condenser,plugs,cap,rotor,wires,coil,timing chain are all new.the 1275 engine only has 43k miles on it.dry compression checks @ 120 psi on 3 cyls.& 115 psi on 1 cyl. valve lash is set @.012 cold.need some help,any id-ers out there? i'd appreciate it thanks bob