LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Is and LT1 a 327 Block?

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Old Feb 4, 2007 | 12:14 PM
  #16  
RicocheT's Avatar
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From: Montpelier, VA USA
Originally Posted by rskrause
No, not really. The 327 preceeded the 350, so it would be more correct to say that the 350 is a stroked 327. Also, the 350's use different bearing sizes The main journal diameter was increased to 2.45" from 2.30" and the rod journal diameter was increased to 2.10" from 2.00". The 327 is thus called a "small journal" and the 350 a "large journal" engine.

Rich
Unless you have a large journal 327 which came in one of my 68 camaros
Old Feb 5, 2007 | 11:42 AM
  #17  
slo_z28's Avatar
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From: Kansas City, Missouri
Originally Posted by rskrause
No, not really. The 327 preceeded the 350, so it would be more correct to say that the 350 is a stroked 327. Also, the 350's use different bearing sizes The main journal diameter was increased to 2.45" from 2.30" and the rod journal diameter was increased to 2.10" from 2.00". The 327 is thus called a "small journal" and the 350 a "large journal" engine.

Rich
68 and newer 327s had the newer "large journal"
Old Mar 2, 2007 | 11:12 AM
  #18  
AlwaysCode390's Avatar
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From: STL
So, whats better ... a small or large journal crank , when we are talking about 327's? What are the differences in performance? Thanks ---
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