Re: BBC fitment issues..
I think I used 4 grade 8 washers -ended up about 3/8". If you really look close, yes you can see the driver side is slightly higher than passenger, most people never notice. No problems with hood clearance, cowl hood.
I agree with Ed, Hooker should have made the collector with an exhaust flange that can rotate!
67 new build alum. 406 | 69 RS/SS 496 631 HP / 618 TQ | 73 Z28 Survivor 36k miles | 89 IROC Z 2500 miles | 02 SS 35th Anniv. LE 645 miles |11 SS Berger 550HP (1 of 25) | 14 ZL1 6M Recaros