If it’s screaming at higher speeds one of two problems come to mind. The rear end is geared for pulling instead of cruising or the transmission is not shifting into final drive. A ‘73 transmission should be a 350 or maybe a 400 not a 2 speed powerglide.
Martin
'62 Chevy C-10 Stepside Shortbed (Restomod in progress)
'47 Chevy 3100 5 Window (long term project)
‘65 Chevy Biscayne (Emily)
‘39 Dodge Business Coupe (Clarence)
“I fought the law and the law won" now I are a retired one!
Support those brave men/women who stand the "Thin Blue Line"! Hug a cop!
USAF 1965-1969 Weather Observation Tech (I got paid to look at the clouds)
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