So most ever big block Chevy out there runs a standard 3/8” pushrod. Wall thickness varies abviously. questions is when does a person upgrade to a 7/16” or 1/2” diameter pushrod. everyone talks about valve spring pressure and RPM. But is this really the deciding factor? where I am headed...

Chevelle 11 inch Rear Drum Brake Conversion or Rear Disc Brake Conversion Chevelle 11 inch Rear Drum Brake Conversion or Rear Disc Brake Conversion I have a 1967 Chevelle SS396 (with T56- 6 Speed Transmission) where I did an 11” Rear Drum Brake Conversion some years ago with new parts. My...

The engine etc are in the car. I need to remove those special bolts. Any tips or ideas? Thanks.

https://www.caranddriver.com/news/a42096801/corvette-brand-2025/ This may be the dumbest thing to come out of GM in decades. Ford lead the charge into this stupidity with the "Mustang" Mach-E, and GM just can't let themselves be outdone on bad ideas...

thanks for the ad I'm really enjoying reading through all the threads here. My name is Rick and I'm a hobbyist level wanna be with an 86 c10 sqaurebody . 496 dart block and eagle forged crank with 10.5:1 piston's hydraulic roller edelbrock cam that's 235/[email protected] 625 lift 112 line separation...