Thread: Katech CNC porting to your LT1 heads. Killer pricing.
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Old 07-25-2017, 02:05 PM   #7
DiGiam
 
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Drives: 2016 NFG SS A8
Join Date: Jul 2014
Location: Valdosta
Posts: 405
Although its probably less. Id figure 15-18% on the auto 12-15% on the manual
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2016 NFG 1SS A8. Pray ported intake manifold, Rotofab dry cai, kooks 2" catted longtubes, E85,
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