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99+ manifold onto 97 question

525 views 0 replies 1 participant last post by  fearfact 
#1 ·
swapped a 99+ into my 97 sahara.. pretty straight fwd, new gasket for manifold and header, new o-ring packings.. capped off the extra vaccum line fitting on the new manifold ( unless somehow i missed a line and had a brain fart). now the problem, when accelerating theres a lull in power under 2k rpm.. basically when im stopped then acccelerate to traffic, at a little under 2k it dogs out briefly then catches back up, a passenger probably wouldnt notice but i sure as hell do. when cruising at speed (55 or so) its fine and the power gains are obvious. also ive burned through nearly 1/4 tank in under 20 miles...so any ideas what to look for? thinking vaccum leaks just havent had a chance yet to check and wanted the pro's opinions and get some real direction
thanks guys
-matt
 
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