ok so i just bought this yota from my neighbor for $100 it had been sitting for about a year i open the hood and found a Holley 390 cfm 4 bbl and a offinhauser intake well thats not something ya see everyday i got to looking a little bit more and found that they also put on a 2 1/2 inch exhaust also this thing is loud and mean ...but im not seeing a thing for performance to it i know the 20 r is not known for its HP but it should have some more well im not sure what i am going to do with it yet i called summit and it looks like the set new is around $600 for the carb and intake i may sell the setup or the whole engine in trade for? again im not sure what i want to do with this truck any ideas?