Quote:
Originally Posted by PAUL K
All the builds were performance deals so the the blocks were filled atleast to the water pump holes.
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So as to avoid the cylinder wall scuffing, is such a partial water jacket filling required for a 4.375" stroke. Or for a 4.25" or even 4.0"?
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1970 Lucerne Blue Firebird Trans Am, deluxe blue interior. Original Ram Air III, M-21, 3.73. Being built as a 4" stroke "434" with SR 614 Ram Air IV heads
1972+ Lucerne Blue 4-door hardtop "what if" T-41 Le Mans Sport GT/Grand Am concepts. Equipped with future 3" journal "455 HO"/"what if" prototype "SD 455".
What if GM had continued production of the 1970-72 GM A body somewhere in the southern hemisphere?
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