Yes, the 1.46 valve spring TF240 heads are only $962 each from Summit (free shipping) so that is around $1900 for new heads. Not sure if the $1600 includes shipping back and forth to Hughes. If it doesn't then you'll need to add another $200 to the bill since 50 lbs heads are going to be expensive to ship. The existing Edelbrock heads should be fairly easy to sell locally for a few hundred each. Modern Cylinder Head ported my Stealths ~4 years ago for $750.
'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.
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