Quote:
Originally Posted by MrChrisLS3
I may be wrong, but doesn't the L99 have a lower compression ratio due to AFM?
- Layout
- The L99 and LS3 engines are both built on the same platform, featuring 6.2L of displacement and eight cylinders. The camshaft of the L99 engine has slightly less duration than the one found in the LS3, giving the Camaro SS paired with this motor a smoother ride. The compression ratio of the L99 motor is 10.4:1, as the pistons have valve reliefs machined in the top halves of the pieces. The LS3's compression ratio is 10.7:1.
http://gmauthority.com/blog/gm/gm-engines/l99/
Compression ratio:10.4:1
http://gmauthority.com/blog/gm/gm-engines/ls3/
Compression ratio:10.7:1 |
I didn't know that camshafts effect ride quality. You learn something new every day!
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