Disco 3.9 V8

elect70, Nov 22, 9:08pm
Is it possible to take sump off in situlooks like it ,#4 piston has broken or stuck ring soiling the plug up so bad wont fire .All othershave 140 - 150 psicomp& #4 is at30psi& pressure inthecrankcase .

upnorth, Nov 23, 2:06am
Pull the pushrods on #4 and seek another engine eventually.

elect70, Nov 23, 10:09pm
Do you replacecylinder headfor 1burntvalve!Aint paying grand for someone elses usedpokedengineeither ,just 1 new piston&rings .