Subject	I added Rislone oil treatment a few weeks ago
Posted by	sebring1970 (robo) on September 19, 2003 at 5:11 PM
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Message	and my engine "knock" totally disappeared. After a couple of weeks it came back. The knock is present at cold start, goes away with warm up and then returns at idle once hot. Disappears under load, which is one reason I always held out hope it wasn't a bearing. Anywho, I did another oil change today with the Rislone, and the knock is gone again. Please tell me, does that suggest that the knock is more likely in the valve train if the additive took it away, even temporarily? Everyone was talking "bearing" to me at the ECZA meet, but the Nissan mechanic who told me to use the Rislone said it was definitely tappet noise. I don't know enough about the bottom end of an engine to know whether or not the Rislone could also help with a bad bearing.
Follow Ups	I added Rislone oil treatment a few weeks ago - sebring1970 (robo) 17:11:04 09/19/03 Do a compression test. (n/m) - Spongerider :) 17:20:40 09/19/03 Why doesn't he check the air in the tires? (n/m) - MikeH(Twin GT35BB Incon Z) 17:49:17 09/19/03 You talking to me Mike? (n/m) - Spongerider :) 18:26:27 09/19/03 What does compressin test have to do with knocking or - MikeH(Twin GT35BB Incon Z) 18:34:02 09/19/03 agreed. not related at all (n/m) - aliaZ (IC Nazi) 18:41:16 09/19/03 Well from the info sebring gave he just asked around - Spongerider :) 18:44:15 09/19/03 Sorry for being sarcastic. No, direct connection with - MikeH(Twin GT35BB Incon Z) 18:58:56 09/19/03 It's cool, I only said do a compression test because he - Spongerider :) 19:06:39 09/19/03 I did. Compression within spec on all cylinders. - sebring1970 (robo) 19:46:26 09/19/03 You have rod bearing going out. When oil pressure - MikeH(Twin GT35BB Incon Z) 18:41:40 09/19/03 Except that since a bearing is load "bearing," it should - sebring1970 (robo) 19:54:59 09/19/03 Mine did the same thing. Only heard it at idle. of idle it - MikeH(Twin GT35BB Incon Z) 20:25:37 09/19/03 All the oil press. in the world won't stop a rod knock - Good2Zya 20:59:29 09/19/03 My rod bearing did the same thing before it finaly went. (n/m) - MikeH(Twin GT35BB Incon Z) 18:42:52 09/19/03 Sounds just like mine when I first bought it. Going with - DAYTONAZ 18:50:20 09/19/03 Thanks everyone for your input, but my real question - sebring1970 (robo) 20:20:28 09/19/03 Risoline will make oil thinner like solvent. Could - MikeH(Twin GT35BB Incon Z) 20:29:45 09/19/03 Rod knock never quits. It's lifters. (n/m) - Good2Zya 20:55:41 09/19/03 There is different severity of rod knock. I had slight - MikeH(Twin GT35BB Incon Z) 23:07:04 09/19/03
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