799s or CNC 317s
Apr 7, 2018 | 12:02 PM
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From: Somewhere north of 285, south of 985.
799s or CNC 317s
Help me with this one.
Goal
Boost low end response and mid-upper rpm pull. Rev limit of 6400.
Specs
06 xcab Sierra 2wd
TMS lq9 with CNC 317s @ 69CC and .051 head gasket (10.75:1 CR)
227/236 .600/.600 @ 110+3 (+11.5 overlap)
3.90 gear
4l80e with Circle D 3200
29in tire
I've been entertaining the idea of 799/243s and a Cometic .027 head gasket to up the compression.
What are the pros/cons?
Goal
Boost low end response and mid-upper rpm pull. Rev limit of 6400.
Specs
06 xcab Sierra 2wd
TMS lq9 with CNC 317s @ 69CC and .051 head gasket (10.75:1 CR)
227/236 .600/.600 @ 110+3 (+11.5 overlap)
3.90 gear
4l80e with Circle D 3200
29in tire
I've been entertaining the idea of 799/243s and a Cometic .027 head gasket to up the compression.
What are the pros/cons?
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