Thoughts on this product??

Ok, so I was messing around on ebay and came across this http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item 0162287678&ssPageName=MERC_VI_RSCC_Pr4_PcY_BIN_Stores_IT&refitem 0201517667&itemcount=4&refwidgetloc¬tive_view_item&usedrule1=StoreCatToStoreCat&refwidgettype=cross_promot_widget&_trksid=p284.m184&_trkparms=algo%3DDR%26its%3DS%252BI%252BSS%26itu%3DISS%252BUCI%252BSI%26otn%3D4
It is a fuel injector spacer, it was linked off a TBI spacer. I'm guessing the idea is similar to the tbi spacer. My thoughts, were this is a bit overkill. TBI spacers seem to be in question and im not sure what moving the injector up more is gonna do. Any Ideas?
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http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item 0162287678&ssPageName=MERC_VI_RSCC_Pr4_PcY_BIN_Stores_IT&refitem 0201517667&itemcount=4&refwidgetloc¬tive_view_item&usedrule1=StoreCatToStoreCat&refwidgettype=cross_promot_widget&_trksid=p284.m184&_trkparms=algo%3DDR%26its%3DS%252BI%252BSS%26itu%3DISS%252BUCI%252BSI%26otn%3D4

Absolute zero. On relection, no: about a couple of of your hours and $15 are lost. I tried one my '94 K1500 Suburban 5.7 TBI and there was zero change in mileage and/or performance. I even bought a Hypertech chip for this unit and I thought it had a slight perceptible performance increase off bottom end. Zero mileage difference there either. I took it out later and couldn't tell the difference after. So the original "difference" may have been just a perception after spending $300 or so. The new Hypertech programmers actually make a real difference. Use on on my '04 Avalanche Z71.
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http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item 0162287678&ssPageName=MERC_VI_RSCC_Pr4_PcY_BIN_Stores_IT&refitem 0201517667&itemcount=4&refwidgetloc¬tive_view_item&usedrule1=StoreCatToStoreCat&refwidgettype=cross_promot_widget&_trksid=p284.m184&_trkparms=algo%3DDR%26its%3DS%252BI%252BSS%26itu%3DISS%252BUCI%252BSI%26otn%3D4

This spacer is only to increase air flow at WOT. Slightly, very slightly Your engine will still use the same amount fuel.
Mike
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