douellette Posted July 26, 2011 Report Share Posted July 26, 2011 i have a 3400 upper/lower intake off a 99 chevy venture. I tried selling it on ebay, and i listed that it would also fit 3400 grand ams, some guy bought it and said it didnt fit. So before i list it again, what does this bolt right on to? without having to change the egr, etc. thanks a bunch! Quote Link to comment Share on other sites More sharing options...
jman093 Posted July 27, 2011 Report Share Posted July 27, 2011 It will fit on any roller rocker (96-up) 3100/3400. Its periphal stuff that's different. 94-99 is different from 2000-up in stuff like EGR, heater hoses, and throttle bodies, but I'm not completely sure what if any differences exist between model lines. Why bother listing compatibility? I'd just list it as what it is: 99 U-van 3400 manifolds. Quote Link to comment Share on other sites More sharing options...
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