Hi, I have recently bought a 1970 GS 350. I'm wondering if anybody on here could tell me how a stock GS350 4 barrel should perform. I know it aint no 455, but It feels very sluggish on take off and believe that it should screech the tyres at the very least on take off which it doesn't. Mid to top end it seems okay. The car starts and runs perfect, idles smooth, no flats spots, no bogging down or surging, id say it runs like a fuel injected motor, but take off is very sluggish with WOT, should these 350s run like that? Its a stock 350 with factory spec camshaft and stock intake. Headers 4 Barrel Quadrajett (750cfm) rebuilt Brand new TA PERFORMANCE HEI Distrubtor, timing set to recommended specs. New spark plugs and leads TH350 3.42 gears I have noticed the intake manifold looks to be a later pollution manifold, could this alter performance? Could anybody point me in the right direction as id like to get this car running right and liven the motor up. Any help would be appreciated.