Ok i have an 84 thunderbird and i know the stock rating is like 140~150 hp. And i was woundering is there anyway i can get 200 or close to it without having to tear down the motor?
lose the single exhaust , dual 2.5 or 2.25 will do fine with good freeflowing lers.
ditch the tbi , swap on a performer or rpm intake with a 600 holley vacumme
a set of mid lenth or shorty headers will help
set timing up 12-14 deg with premium fuel 89-93 depending on conditions
a 3.73-4.10 gear and limited slip will make the car feel quicker also