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Sparky
05-21-2006, 01:18 AM
I just bought my first gmc in thirty years, love it so far.. Can anyone tell me how many cubic inches the 4.8 V-8 is ?

Thanks
Mark
karac johnson
05-22-2006, 10:19 AM
i think it is around 288-290 ci.
92 Diesel
05-22-2006, 03:57 PM
the 4.8 is 294ci
westex39
02-19-2007, 10:21 PM
Multiply your liter size by 61.0237441.

61.0237441
X4.8 = 292.91379 cc's

This only applies if the 4.8 is a true numberand has notbeen rounded off.