CNC Cylinder Head Repairs

15D CNC Ported Racer Pro Hd Repairs . These Hds are Australian designed . They flow as good as any 15D hd and are a superb casting for modifying.

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Opel Vectra head resurfacing
My tool was loose on the first pass which made the tool bite a little. This head had a small scratch under the steel seal ring. I wonder why. Using a reground Sandvik insert. I used around 0,2mm/rpm for roughing and 0,13 for finishing. Alcohol for coolant.

ERL 4 Cylinder Engine Build
ERL demonstrates a build of their 4 cylinder Racing Engine.

Diagnose & Repair a Cracked Cylinder Head : Cracked Cylinder Diagnosis: Finding the Cracks
Determine if a cylinder has a crack by looking at fluid leaks and looking for cracks on the side of the cylinder, possibly concealed by the piston; learn how in this free auto-restoration video. Expert: Doug Jenkins Bio: Doug, of Doug Jenkins Custom Hot Rods, not only servers the entire nation, but even customers outside the U.S have found the shop's services indispensable. Filmmaker: Ross Safronoff

BDA Cylinder Head Repair after valve and seat damage
BDA Cylinder Head Repair by Vulcan Engineering after valve & Seat damage.