Trick Flow small block heads

The answer is probably the class, plenty of cars, good all round fun and some cool cars but there 80% street guys having a go@Racing which is what I did and thats fine but put "street" into the equation and you get what you have, 190's won't make a car un-streetable, put a small dur/lift cam in there if you must and you've still got 280cfm of flow, thats what I can't get through to them.....Move up a class or 2 to ProET or Super proET and now you've got the combo's that run. John, your just in another league:), you were running times with your Duster with 906 heads that some run here today with 540 -1 motors and that includes our car, along with the combo you mentioned above.