Subject	I had 1 new style sprocket on my '91 cams with no issues >
Posted by	my91z on September 08, 2008 at 2:34 PM
	This message has been viewed 546 times.
In Reply To	They won't fit. (n/m) posted by na300zx (OH) on September 08, 2008 at 01:24 PM
Message	Long ago when I was too scared to work on my car, I had Courtesy Nissan do my 120K. They said one of my cam sprockets was leaking so I shelled out $440 for a new sprocket on top of the rest of the parts and labor charges(ouch). Later, when I did the 180K on my own, I found that they had installed a "new" sprocket on my 1991 engine. It was the type of sprocket that is bolted together and you can change the cam timing with. I didn't see any sort of "adapter" when I pulled the sprockets off the cams to replace the cam seals. I've read other people say you can't use the "new" sprockets on the old cams, but it seemed to work fine on my engine for 100,000 miles until I lost a rod bearing at 220,000 miles and did my TT swap. I can't offer an explanation, only my observation. Mike --------------------------------------------------------
Follow Ups	OK, Ash wanted my input on just the VTC noise - DVDBURN (MD) 12:36:37 09/08/08 oops! Link to service bulletin. - DVDBURN (MD) 12:52:56 09/08/08 So the 90 to 91 Cam Sprokets are more prone to this any ways - Sleeper_TTZ(SeKy) 13:22:49 09/08/08 They won't fit. (n/m) - na300zx (OH) 13:24:31 09/08/08 Have to change the cam's also???? (n/m) - Sleeper_TTZ(SeKy) 13:25:20 09/08/08 Yeah. Unless you already have new style cams - na300zx (OH) 13:32:32 09/08/08 Well no i'm still useing my old cams. I have a set off a NA - Sleeper_TTZ(SeKy) 14:45:24 09/08/08 I am under the impression that auto tranny cars have less - na300zx (OH) 14:55:43 09/08/08 i read the intake cams on an auto tt are slightly smaller, - ricky6991 15:36:52 09/08/08 I had 1 new style sprocket on my '91 cams with no issues > - my91z 14:34:55 09/08/08 There are two types of new style sprockets - na300zx (OH) 14:49:26 09/08/08 Learn something new everyday..... (n/m) - my91z 14:53:30 09/08/08 Yup. Just when you think you know it all, someone - na300zx (OH) 14:58:00 09/08/08 I bought a set of used late model sprockets so that - AZHeat 14:28:17 09/08/08 Progress is nice - FuerGrissa 13:55:04 09/08/08 I think this is the most intelligent VTC comment yet.. - The Devils Z 15:05:41 09/08/08 Question on the service bulletin. - Woody75 (Denver) 14:59:02 09/08/08 I don't know Tim. I would guess it's refering to the light - DVDBURN (MD) 17:43:01 09/08/08 Blasphemy! Ashlah Akbar! (n/m) - Tennyson (ATL) 15:58:47 09/08/08 I'm confused more by reading your post... - ni[X]it 18:24:56 09/08/08 All I want to know is if the BDE rebuilt gears - plower 19:16:27 09/08/08 the BDE gears are much cheaper than new - aliaZ 19:45:36 09/08/08 This is a decision that YOU should make for yourself. (n/m) - LitlElvis 20:59:22 09/08/08 Thanks for your reply. - DVDBURN (MD) 19:23:06 09/08/08 Sorry if it came off wrong. - ni[X]it 20:39:15 09/08/08 Not at all! As they say, it's all good ;) (n/m) - DVDBURN (MD) 07:44:08 09/09/08 LOL! - collegeboy 19:26:00 09/08/08 I have almost 9000 miles on BDE sprockets..NO NOISE (n/m) - citation 20:45:21 09/08/08 Sorry but I have to kick this dead horse some more... - LitlElvis 20:52:08 09/08/08 Thanks Brett. - DVDBURN (MD) 21:00:54 09/08/08 No Gary. I do not agree that new internals did anything. - LitlElvis 21:17:29 09/08/08 AGain, I didn't use "newer" internals. I used the same - Ash's Z 09:58:39 09/09/08 I like pictures... - John B. (NJ) 21:04:00 09/08/08 The numbers would be irrelevent. - ni[X]it 21:11:06 09/08/08 Point taken... - John B. (NJ) 21:29:53 09/08/08 It's more like 0.809:1, but it's still linear. - LitlElvis 06:52:12 09/09/08 Hi Gary, thanks for the clarification. - Ash's Z 21:42:46 09/08/08 Brett, Q about your plot and the paragraph below it: - Ash's Z 22:33:54 09/08/08 Sorry Ash, I've disclosed as much information as I care to. (n/m) - LitlElvis 23:16:33 09/08/08 I can understand, but in the end it is all going to come out - Ash's Z 23:26:28 09/08/08 I also dont see how two high-tension valve springs acting - Ash's Z 23:16:58 09/08/08 I would be happy to make a short video real quick showing - Ash's Z 23:38:20 09/08/08 VIdeo made >>> - Ash's Z 03:12:00 09/09/08 Bravo Ash, you've come a long way in just two days! - LitlElvis 06:49:00 09/09/08 Well, I have concerns with the fact the cam wont just - Ash's Z 09:46:13 09/09/08 Uh, I'm Gary :) (n/m) - DVDBURN (MD) 22:44:59 09/08/08 I said 5K, if you want to do 8K that's ok too. (n/m) - LitlElvis 23:07:43 09/08/08 Good deal - we'll make it 8K then. (n/m) - Ash's Z 03:14:03 09/09/08 If I were to speculate based on my findings, your Y axis - Ash's Z 09:42:08 09/09/08 Re: OK, Ash wanted my input on just the VTC noise - Ash's Z 21:35:10 09/08/08 Ok Ash, whatever makes you happy :) - DVDBURN (MD) 22:55:00 09/08/08 Well, it isn't a matter of that at all. IT is a matter of - Ash's Z 23:19:37 09/08/08 I'll look at it later, after the football game :) (n/m) - DVDBURN (MD) 23:43:45 09/08/08 Does the newer version have a wider thrust face? (n/m) - CaliguyPurdue (redesigning) 01:04:21 09/09/08 No, only difference is the seal on the cam helix and the - Ash's Z 02:02:32 09/09/08 Also, Gary, I use the newer VTC sprockets in my engine. - Ash's Z 09:56:13 09/09/08 Also Ash,........ - DVDBURN (MD) 20:05:00 09/09/08 Hi Gary, - Ash's Z 09:46:22 09/10/08 Fair enough. Hope it works out. (n/m) - DVDBURN (MD) 10:00:58 09/10/08
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