Terra1936 Posted May 22, 2021 Share Posted May 22, 2021 Jag J60 4.2 Engine. Is the military long block the same as the civilian? Will the 4.2 out of car work for a long block? Quote Link to comment Share on other sites More sharing options...
0 Andrew Rowe Posted May 22, 2021 Share Posted May 22, 2021 Yes, it will, have done a couple of Car engines to Mil spec conversions, just a matter of changing all the mil spec components over to the civilian engine car block, works fine. I had heard the only real difference in long blocks from military to the Car engine one was in the valves , maybe in the galleries for more cooling, but unsure on this report, cheers Andrew. 1 Quote Link to comment Share on other sites More sharing options...
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Terra1936
Jag J60 4.2 Engine. Is the military long block the same as the civilian? Will the 4.2 out of car work for a long block?
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