273 or NOT 273?

318willrun said
340 ft lbs from the factory with 2bbl..... I've always doubted that number a little

Base is stock 2bbl 318 with headers, doesn't even make 300 lbs-ft with headers.

Mod 1 is 4bbl and xe262h
Mod 2 is a spacer added and finally makes 340 lbs-ft.

https://www.hotrod.com/articles/mopp-0312-318-long-block-bolt-ons/

TORQUE SUPERFLOW 901 DYNO-TESTED AT WESTECH
RPM	BASE	MOD 1	MOD 2
2,000	292
2,500	287
3,000	287	338	336
3,500	272	335	340
4,000	248	326	330
4500	218	309	319
5,000	188	285	296
5,500		250	258