Quote:
Originally Posted by SSedan64
I think you have the wrong Heads for the engine. 283 Heads have tiny 1.72" Intake valves & chambers. Larger chamber & valve needed.
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Yeah, well I guess the experiment with this engine is how efficient and lean it can run, so I guess my cousin's idea with putting these heads on was to see if the higher compression (and small intake) would equal +MPG.
I think the heads are great so far, 'cause I got this thing on the freeway and it accelerates more than my old (stock) 350 with powerpack heads.