Didn't know that the new LSX Steel or whatever it is GM block could bore to 4.5" b/c if it is still on the same bore centers as the old SB I like, the bore centers should be 4.40"!!
How are they getting it to bore to 4.5" or have they changed the bore centers and are now creating an LSX BB engine that will eventually make the Mark and Gen. BB's obsolete??
pdq67
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