09/10 5.3 vs 6.0 "TBSS" intake
01-15-2012, 02:02 AM
#12
I think they're talking the TBSS and NNBS cathedral intakes are nearly identical.... but in fact some do have differences, mostly dealing with just vacuum ports... I found this out the hard way. PCV hookup is different, newer intakes being more similar to L92 with the same plug in pcv fitting on top, and some have differences in molding of area to the right side of intake opening...
oh, and more surprising to me than the cost of the port gaskets was the cost of the single o-ring gasket for sealing throttle body! GM wants $48 for that nubby o-ring, haha yeah right. I'm usually all about staying oem, but for this I went with a felpro for $11 instead!
oh, and more surprising to me than the cost of the port gaskets was the cost of the single o-ring gasket for sealing throttle body! GM wants $48 for that nubby o-ring, haha yeah right. I'm usually all about staying oem, but for this I went with a felpro for $11 instead!
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