Subject	something that made me go hmmmm...
Posted by	ZEngineer on December 08, 2006 at 7:34 AM
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Message	a coworker of mine said his valves had an intimate encounter with his pistons when his timing belt snapped, then complained about "cheap POS Saturns that still make interference engines". It made me wonder, why are certain motors (like ours for example) designed in such a way that they auto-destruct if the timing belt fails? Are there any advantages to designing interference engines? _________________________________________________________________________________ Im n0t Sarcastic (Kenny): not to over do it, but you're certainly the source of high-class Z mods ZEngineer24: what do you mean by that? Im n0t Sarcastic: I just mean, your Z is one I really admire "The Z is the cause and the solution to all my problems" -- Me "If your car was my car, I'd think it's broken"
Follow Ups	something that made me go hmmmm... - ZEngineer 07:34:23 12/08/06 i guess - ARA300ZX 07:41:22 12/08/06 Makes me wonder why all engines aren't chain driven - TTFairladyZ 07:45:46 12/08/06 Timing belts are quiet, cheaper to manufacturer and - Atl300zxTT 07:49:21 12/08/06 I30 motors are quiet, efficient and they are chain driven :) (n/m) - ztunerz 12:00:04 12/08/06 i was just stating a generality (n/m) - Atl300zxTT 12:20:32 12/08/06 more efficent too. (n/m) - nemo1080 08:39:34 12/08/06 how so? (n/m) - zxtuner161 09:09:06 12/08/06 When the length of the timing belt (or chain) - thebanman407 10:47:04 12/08/06 All wrong >>> - ztunerz 12:05:49 12/08/06 That doesn't mean the chain won't break. I've seen it - MixManMash 09:22:03 12/08/06 Valves open further in an interference engine - Atl300zxTT 07:45:51 12/08/06 makes sense. Thanks. (n/m) - ZEngineer 07:48:22 12/08/06 finally we touched on a topic i knew something about :) (n/m) - Atl300zxTT 12:28:45 12/08/06 Nice explanation. Thanks. (n/m) - TT XTZ 09:25:15 12/08/06 Man How Do You Know All This Stuff? - spddracer 21:05:52 12/08/06 lol (n/m) - SniPer (SR-71) 08:58:03 12/09/06 I can't vouch for the POS Saturns, but my guess wrt our cars - Dave N 07:48:23 12/08/06 In two words: High Compression - Jmartz 08:04:00 12/08/06 so you would consider the TT engine to be high - Atl300zxTT 08:07:05 12/08/06 It isn't 7:1 like my old 240T (n/m) - Jmartz 10:00:36 12/08/06 Not exactly, it is more about chamber size and - Barry'z (NJ) 08:14:30 12/08/06 Ok, how about higher compression - Jmartz 09:59:16 12/08/06 not really - look at nissans own lineup - the 2000 maxima - ztunerz 12:01:07 12/08/06 That doesn't have anything to do with George's question - Dustin 15:21:33 12/08/06 more efficiant all the way around - nemo1080 08:41:35 12/08/06 not really answering the question but... - spyhunterTT(nj) 13:16:04 12/08/06 I would think that a belt would certainly stretch... - Kong ZTT GT28RS MD 14:28:23 12/08/06 More non-stretching fiber in a timing belt (n/m) - BigTDogg (MA) 14:55:02 12/08/06 nice sig. (n/m) - Kong ZTT GT28RS MD 14:29:11 12/08/06
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