i would just run the stock manifolds for now. and on your plates here are the same ones... but cheaper with bolts and everything. and super fast shipping.
http://cgi.ebay.com/ebaymotors/LS1-C...item414be1ab50
man, the link isnt working this morning. if it still isnt working later then search ebay. $27+ shipping.
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"Dennis the Menace"
1978 Silverado (2wd, 1/2 ton, short bed)complete nut & bolt frame off restomod LQ9/4L80E
MY LS SWAP/FRAME OFF BUILD BOOK
2006 TBSS way too much to list
