[oletrucks] rpm redline for 52 gmc big truck??

[jrdorsey <jrdorsey@strato.net>]

Dose anyone know the max RPM for a gas engine in a 52 GMC 640. It's a
big truck, like a semi tractor, I don't know the engine size but it
should be original.

Thanks,
John 
3800 panel
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959