I was sick of seeing first gen belly buttons 20 years ago. That said you don't need AFRs or 6,500 to make 400/400 with a 383. But I do love the ls series. The 5.3 makes a great motor in a light car and the 6.2 is great in the 1/2 ton pickup or transplanted in a G.
In the muscle car era if it had a small block it was your moms car.
When you turn your car on does she return the favor? Life's short enjoy your ride. Hybrid burns gas & rubber. Check out my photo album.87 Olds 442,
Blue on Metalic Silver with 275/60/15 drag radials on 15x8 442 wheels, 10-1 509ci Cadillac, 800cfm Q-jet, Performer intake, Street ported heads, 230@50 518 lift cam, Headers, Built 200-4R, 2800 stall lock-up converter, Electric fans & in-tank fuel pump, Factory AC, All factory guages work including tach & oil temp with the 509, Functional Hurst hood & rear spoiler, 36mm hollow sway bar, 3.42 posi 8.5, 17.0 mpg hwy, sold 87 Buick Grand National,
Tuxedo Black w Chrome 275/50 drag radials on 15x8 GN wheels, 231 Buick V6, TE-60 turbo, Stretch intercooler, 42.5lb injectors, 3" downpipe, 3000 stall lock-up converter, Meth/water injection, 3.42 posi 8.5, 22 mpg hwy, original owner ~ Goal for both cars 11.8 ETs / 115 mph in the quarter reliably on pump gas