o - ringed block

cummin_undone

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Joined
Jan 26, 2014
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Hey guys I'm new to comp d. Been on cummins forum a while but you guys seem to be more technically knowledgeable so I'm asking here :rockwoot: I have a 91.5 12v that I'm building to swap into my current rig. (98 24v) anyways I'm getting the block o ringed. Does anyone know the distance from the bore that the o rings should be cut? I know it's supposed to crush onto the gasket fire ring but I don't have a gasket to give him to line it up with. Is it acceptable to just have it cut on top of where the old fire ring sat or no? Thanks I'm advance
-abe
 
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