70 c10 LWB driveline options
Hey everyone, Looking for some information/thoughts on this.
I currently have a 70 C10 LWB, running a 70" U to U driveline, 4" aluminum out of a late 90's extended cab chevy.
Shaft fits fine, but I know critical speed and length are an issue here.
Engine is a 408CI ls engine with twin 6766 turbos, th400 trans and a 12 bolt with 4.11s in the rear. I intend to spin this motor up over 7000RPMS, and I have done so, but it's definitely a concern. This truck gets drove on the street far more than at the track, but will see some track time.
Most places want to move me to a carbon fiber shaft, at around $2000.00 and it may be my only option, but that's a hard number to swallow.
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