Buy another one, aftermarket. imo. Esp maf they are calibrated to the size they are.
But the early engines are tuned that all the parts bassically flow the same amount. So all induction has to be changed from heads [atleast ported], inlet, t/b, maf and injectors & exhaust...
Don't be afraid to try something new. Remember, amateurs built the Ark...Professionals built the Titanic!
Tuned & maintained by "Peppertree Perfmormance". Dart block, Scat 4340 steel crank, Custom C.P pistons.Oliver rods.. Mal Wood twin plate clutch.. Twin SC61/2's,482 rwkw/ 645 rwhp..
Passengers, myocardial infarction material..