cartwright Posted April 24, 2019 Share Posted April 24, 2019 I just finished the swap of a 2.5 dohc from a 98 forester into a 96 imprezza wagon with a 2.2 that had bottom end problems. At start up the rpms immediately shoot up to about 4000. I used the timing cam and crank sprocket from the 2.5, intake and intake wiring harness from the 2.5. So a complete drop in. I tried changing both the tb and iac off of the 2.2 manifold, no change The 2.2 did not have egr, the donor does, I removed the tube and plugged both ends and installed a solid plate between egr and manifold, and plugged vacuum hoses, not sure what I'm missing here, vacuum lines are slightly different but I think they are correct Quote Link to comment Share on other sites More sharing options...
FerGloyale Posted April 25, 2019 Share Posted April 25, 2019 you've got a vac leak somewhere Sure the EGR plate is sealed? Intake manifold to heads? TB to the intake? Quote Link to comment Share on other sites More sharing options...
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