Patrol zd30 head

[welshy1]

Hi members I have rebuilt a few of the 3 litre patrols And the last one I fully rebuilt it has BLOWN OUT THE REAR OF THE HEAD TWICE NOW ALL THINGS CHECKED EX BLOCK FOR WARPING CHECKED OK HEAD AS WELL CHECKED OK USED A 2 NOTCH FELPRO HESD GASKET NEW BOLTS TENSIONED TO TO SPECK WHAT IS GOING ON WITH THIS MOTOR AT ENDS TO FIND WHY IT BLOWING THE REAR GASKET NEED HOT ADVICE ON THIS ONE NEVER HAD THIS YROUBLE BEFORE AFTER 20 MOTIR REBUILDS CHEERS WELSHY1