Here’s a similar build: Flat top 446, sidewinder heads flowing 290(same casting as the Toth head), 250/254-108 SFT cam with Chevy lobes, 1.5rr, rpm, 850DP carb, 2-2 1/8 x 4 dyno headers. Notice the difference in VE, and bsfc.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123 Dealer for Comp Cams/Indy Heads
