360 sb. 2bbl iron intake or 4bbl iron intake with 4bbl to 2bbl flat plate adapter, which flows the best? thank you for your time. RR

'89 318 TBI large plenum, mid rise intake.

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Re-Drill pattern for the large mopar 2 barrel bolt pattern.

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Here is a re-drill to the large mopar 2 barrel pattern I did just a few weeks ago on an '89 318 TBI roller. Setting it up with the 2 to 4 bbl adapter.

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