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Engine Block Casting Number Help

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Old Apr 17, 2018 | 11:46 PM
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vettekid81's Avatar
vettekid81
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Default Engine Block Casting Number Help
Hey everyone
Can anyone help me with a casting number? i cant find it ANYPLACE.
28L136625

The car is a 07 C6, the top end is all LS3, MASS, Heads, Intake 90mm
Trying to find out if the while engine is a LS3

It is located on the front of the block behind the belt pulley



Thanks for the help
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Old Apr 19, 2018 | 11:47 AM
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RicK T's Avatar
RicK T
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That isn't the casting number. LS casting numbers are on the rear of the block, driver's side at the deck.

In the spirit of helping I'm including this link but the Mods may remove it. It has the LS casting numbers with photos to the right of the list.

http://southernperformancesystems.co...k-casting.html
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