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Amen on the short lived Silstar, went thru a set in 7 months on my chev.
trailblazer, bitched to them, got another set on warranty, 7 months later, one right after another. It's a shame because they were good, and the stockers stink. "Daniel J. Stern" > wrote in message n.umich.edu... > On Sat, 30 Oct 2004, Minnie Bannister wrote: > >> Went to the Sylvania Web site to see whether XtraVision bulbs are >> available for my 300M (they aren't) and looked at the comparison chart >> for Standard, XtraVision, Cool Blue, and SilverStar. I was surprised to >> see that for a given bulb type (e.g., 9004, 9005, 9006) they quote the >> same light output in lumens no matter whether it's a Standard or an >> XtraVision! So how come they claim that XtraVision are "brighter"? > > Sylvania primarily lists *NOMINAL* output, not actual, in their materials. > Nominal output is the legal spec contained in Federal code 49CFR564. The > spec for each bulb contains a nominal flux as well as the allowable > tolerance range as either a plus-minus percentage or an absolute maximum. > Take a look for yourself he > http://fmvss108.tripod.com/light_source_list.htm and you'll see how > coincidentally all those Sylvania bulbs just happen to (be claimed to > produce) exactly the nominal value, right on the nose. Quoting nominal > values is the same as saying "These bulbs are all legal". Sure they are, > but nominal values do not describe the differences in performance amongst > the different bulbs. Can you think of a reason why Silverstar (which > produces near the high end of the legal output) and Cool Blue (which > produces near the low end) would be quoted at nominal rather than actual? > I can. I can also think of a reason why Sylvania would field a gimmicky, > expensive, short-lived, low-performing Silverstar for your 300M but *not* > a higher-performing, non-gimmicky, longer-lived, less-expensive > Xtravision. > > DS > > ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! >100,000 Newsgroups ---= East/West-Coast Server Farms - Total Privacy via Encryption =--- |
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