evandostert Posted November 18, 2011 Report Share Posted November 18, 2011 (edited) So I am getting ready for my FAST install this weekend. I am reading that my engine is supposed to have this front coolant passage and the rear blocked off???? Does this sound right. I am not sure whats back behind the stock intake but this is not sounding right. This goes in upfront Uploaded with ImageShack.us [/img] Uploaded with ImageShack.us These plugs may be needed to block rear coolant passage??? Uploaded with ImageShack.us [/img] Uploaded with ImageShack.us Will this destroy something?? rear head heat up??? Edited November 18, 2011 by evand (see edit history) Quote Link to comment Share on other sites More sharing options...
BlueAKSSS Posted November 18, 2011 Report Share Posted November 18, 2011 Yes that's correct, the front had the cross over and the rear is blocked off. Quote Link to comment Share on other sites More sharing options...
detjoe Posted November 18, 2011 Report Share Posted November 18, 2011 Kurt Urban sells a kit to use them all, he says it evens out the hot spots in the head. or you could make your own our of a vette one Quote Link to comment Share on other sites More sharing options...
Krambo Posted November 18, 2011 Report Share Posted November 18, 2011 (edited) I used the block off plugs for the rear. edit: what fast intake are you installing? Edited November 18, 2011 by Krambo (see edit history) Quote Link to comment Share on other sites More sharing options...
evandostert Posted November 20, 2011 Author Report Share Posted November 20, 2011 I am going to stay as factory as possible unless it provides an actual improvement over a stock piece. That Kurt kit looked pretty cool but I am not a fan of adding a bunch of extra fitting to the motor. http://www.kurturbanperformance.com/ls-water-vapor-system.html I may call him if I decide on a short block. I am so tempted after reading zippy's engine build. Quote Link to comment Share on other sites More sharing options...
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