Hamilton Cams 07-C-005 188/194 Camshaft
2001-2010 GM 6.6L Duramax (Towing & Efficiency)
188-194@.050 109LSA, .338" intake, .280" exhaust.
This cam is made for the truck that has a stock turbo up to a 64mm and is looking for great torque and maximum efficiency. Below is a guide to help you decide if this cam will have clearance issues or not. For towing, light competition and efficiency.
Piston to valve clearance with an "a" headgasket and a stock cam with .012" piston protrusion(OEM), and valve depth .025" intake, .035" exhaust(also OEM)
188-194-109LSA with .012" lash and "a" head gasket:
.012" piston protrusion
valve depth, .025" intake .035" exhaust
If you do not have enough, room try one of these other head gaskets:
Zinc additive required
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