Thread: Pontiac V-8 BLOCK code Y4
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Old 06-02-2007, 10:37 PM
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firebirdcrazy1959 firebirdcrazy1959 is offline
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I'm going a 73 Y4 now and its the thick webs,74-Y4 is a 455,77-Y4 is a 400.Need to check the date code.

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1977 Trans Am,400 4 speed,numbers matching car
1979 Bonneville ,1 owner car...
1997 Trans Am convertible,LT1/auto.
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