• Tiny
  • parkers86
  • 1992 Holden Commodore
  • V8
  • 2WD
  • automatic

Just built a holden 308 v8 stroked to 355 got head work done new manifold has high compression pistons 11.1 got 480hp on dyno
has full compression in each cylinders but at high revs gets water in oil has head studs could the head studs need a bigger washer on them
swapped blocks and timing cover and got same problem
has brand new torque power manifold heads were machine
and only at high revs it leaks water in oil could the heads be lifting

Sunday, March 27th, 2011 AT 6:46 AM

1 Answer

  • Tiny
  • mmprince4000
  • Expert
  • 8,715 posts

If studs go into water jackets in block, they would have to be coated with sealant.

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Sunday, March 27th, 2011 AT 1:36 PM

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