Quote:
Originally Posted by The_Blur
The last L99 was a slightly modified LT1. I don't know anything about this one.
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technically, it was a reduced modification LT1...lol due to the smaller bore of the l99 it didnt need the extra boring out that the 5.7 needed...
however, this L99 is the same block as the LS3, its pretty much the same motor overall, with the exception of the cam being slightly different and the AFM added to it.
Quote:
Originally Posted by headpunter
the engines use L92 heads which were originally truck heads. not the ls7 heads
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Quote:
Originally Posted by o2camaross
They are very very close in design and are prolly the best flowing heads gm has ever made.
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L92 heads are FTMFW