lowdown Posted March 29, 2011 Share Posted March 29, 2011 Trying to have a motor put into my new daily 300zx, and talked with my friend, and found out the motor I got came out of a turbo card and not a NA. From what I understand the oil pan is difference, and I would assume the pistons or the heads are different thus producing to low of a compression, anyone know if that is true? Thanks Phil Quote Link to comment Share on other sites More sharing options...
Tibby Posted March 30, 2011 Share Posted March 30, 2011 The oil pans are the same with the exception of the turbo drain tubes. The heads have slightly different runners and exhaust valves but are externally the same. The pistons are different. Turbo pistons produce 8.5:1 comp and NA pistons are 10.5:1. Turbo engines have oil squirters designed to squirt oil onto holes on the bottom of the pistons to cool them. NA engines have traditional oil squirters. The only major item that makes a TT engine different is the lower comp ratio. If ran NA I'd imagine it would feel gutless with the 8.5:1 compression, but I have no experience to back up that assumption. Quote Link to comment Share on other sites More sharing options...
lowdown Posted March 30, 2011 Author Share Posted March 30, 2011 (edited) The loss of power is what i'm afraid of by using it. Its a auto car so that doesn't help either. Hmmmm guess I have to find another motor, trade this one off for a non -turbo, or find a turbo setup. Wish it was easier, lol Thanks tibby! Edited March 30, 2011 by lowdown Quote Link to comment Share on other sites More sharing options...
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