#4 cylinder sucking in coolant! But from where please help!!! - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

racepar1 · 12-13-2009, 09:07 PM

They'll crack if you get them hot enough, but it is not all that common. That's why I suggested the head. A GOOD head shop will pressure check the head. Did NAPA pressure check it???

The bottom line is that either something is cracked (my suspicion), or the guy who put the engine together is a complete dumbass (I hope not). Neither one of those scenarios is a good thing...

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12-13-2009, 09:07 PM	#8
racepar1 Post Whore! Join Date: Jul 2007 Location: Simi Valley, CA Age: 38 Posts: 9,006 Trader Rating: (106) Rides Gallery: racepar1 Feedback Score: 106 reviews	They'll crack if you get them hot enough, but it is not all that common. That's why I suggested the head. A GOOD head shop will pressure check the head. Did NAPA pressure check it??? The bottom line is that either something is cracked (my suspicion), or the guy who put the engine together is a complete dumbass (I hope not). Neither one of those scenarios is a good thing...