Carb choice for a mutt motor.
Wow '68 318, 230 hp 9:2:1 cr, short block, with 273 closed chamber heads.
Light free floating rods and flat top pistons with valve relief (factory in '68) .040 ths down in the hole.
I am liking this, 600 cfm 1406 perfect carb for that 318.
Even if the 318 stock short block has the original 2 bbl cam, they still benefit hugely by giving the engine the fuel that it needs with the 600 cfm carb.
Proof in the pudding > stock '69 318 with added 600 cfm 4 bbl. Huge improvement over the stock BBD gas leaking 2 bbl carb. ('69 318)
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