Had a pair of 452 MP aluminium heads to repair and they were Awful. One head was bowed 0.020 thou that’s 0.5mm...
The work needed to put it right was crazy...
Funny, these are the Edelbrock Performer RPM's (save for straight spark plugs) that everyone raves about being so good and "Made in U.S.A!"
'63 Dodge 330 11.19 @ 121 mph Pump gas, n/a, through the mufflers on street tires with 3.54's. 3,600 lbs. 10.01 @ 133mph with a 250 shot of nitrous an a splash of race gas. 1.36 60 ft. 3,700 lbs.
