Stock 1970 426 HEMI engine dyno. Updated on By Wes Comments Off on Stock 1970 426 HEMI engine dyno. Republished by Blog Post Promoter Republished by Blog Post Promoter Tweet By Wes You May Also Like Sox & Martin Vs. Richard Petty – Superbird Match Race! Muscle Car ROLL RACING at the DRAG STRIP – Street Car Takeover