I drove a 71 Cougar XR 7 in 1977-80. Had a 351 Cleveland 4 bbl, high compression, dual exhausts, 4 speed with chrome Hurst shifter, 3.25 posi. Sneaky brown with Landau roof. Per the owner's manual, a 429 CJ was an option. I believe the Boss 351 engine had more potential for the street/drag than...
V8 Upgrade
MY 18 V8 upgrade: The 5.2 block, current heads/cams/crank, plus GT350 IM/TB. An easy 470 HP/420 lb. ft. torque. Emissions compliant, off the shelf parts. The 5.2 block offers 4% more swept area, the GT350 IM opens up the top end. I find it interesting that the current 5.0 heads and...