Those Vipers at that age had forged internals !
I realize this, but that's a ton off power. There are different grades of forged internals, apparently if these are stock then these motors were bullet proof from the factory!
Cam and valve train is the only thing internally changed
Dom
Undefeated on the Internet
Thanks everyone, it on its way back, got a 87 Grand National dropped off to receive the JMB treatment!
Thanks everyone, it on its way back, got a 87 Grand National dropped off to receive the JMB treatment!
Thanks everyone, it on its way back, got a 87 Grand National dropped off to receive the JMB treatment!