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<p>[QUOTE=&quot;Superhauler, post: 10426775, member: 38460&quot;]More than likely when it was a twin turbo the vva&#039;s bleeded off the excess cylinder pressure even though it showed better than 40psi on the gauge. Because of the high comp pistons. Now when it was singled the vva&#039;s were removed or deleted so they couldn&#039;t &quot;bleed off&quot; the excess cylinder pressure. Which causes higher cylinder pressure with the single and high comp pistons. Its not &quot;if&quot; the headgasket will fail. Its &quot;when&quot; it will fail. Either cut the bowel of the pistons or install the low comp pistons.[/QUOTE]</p><p><br /></p>

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