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I have a 2005 5.3, going twin turbo, putting a Holley hi ram on it. Looking for a DBW throttle body that'll work with the stock computer and the 4 bolt Holley Hi Ram. I've researched a lot, searched a lot, and it hasn't really gotten me anywhere. Can I slap on any LS3/2/7 TB as long as I get the wire harness adapter or repin it myself, and of course tune it? From what I've read it sounds like I need the earlier 12570790 TB, which, of course, is much more expensive on eBay than the other 12605190 TB. Do Casper's and Lingfelter's harnesses work properly? Or do I need to go with the Torque Rush X-link adapter? Seems like the price is getting up to the point of buying a Nock Williams 102mm DBW throttle body, but I've read the 102 is bad for boosted applications because of the poor throttle resolution. I'm getting frustrated on this and appreciate any help.
Thanks.
 
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