KCsurfer420 Posted January 9, 2013 Share Posted January 9, 2013 Haven been on here in a while but i just bought me another project MJ. Its an 86, 2.5, ax4.4x4... I got it for 250$ with no rust but it had been sitting for the past three years due to sme one rearending it and breaking a tial light. The PO said that he searched up and down for the light but gave up and parked it. Luckey for me because i have 3 complete sets of light and one drivers side tail light wich happens to be the broken one. After draning the fuel via a paper clip in the fuel pump relay, filling it with new gas and replacing the fuel filter she sparked back to life. After running her for a bit i realised that there is a hair line crack in the intake manifold that is leaking water, I don't realy understand why some people somt belive in antifreeze. I know thw newer MPIF 2.5s arent water jacketed intake manifolds and i was wondering why the TBI one was. Or realy i should say if i could by pass the line that goes to the intake manifold. Any thoughts... Eventualy some time soon ill get over to the local U pull it and grab an Intake manifold but i was wondering if i could get by in the mean time by bypassing it... I am usually a 4.0 guy but for the price i couldent say no to this one.... Thanks for any help.... Link to comment Share on other sites More sharing options...
cruiser54 Posted January 9, 2013 Share Posted January 9, 2013 Bypassing it may give driveability problems. A new/used manifold shouldn't ne hard to find. I have a brand new one. Link to comment Share on other sites More sharing options...
danbyrambler Posted January 9, 2013 Share Posted January 9, 2013 Don't know a thing about the 2.5s, but . . . Are 2.5 carbed IMs water cooled/heated also? How is the manifold fed? What is the return path? Just curious . . . I've a 1984 Dodge Rampage - carbed 2.2 - - It had a water jacket attached to the manifold - Emissions thing & no sensor - fed from t stat housing/out to heater core valve - Hurts nothing to disable on these engines - - Same era engines - maybe same purpose? - - If no sensor on water part of manifold should be no prob with bypass - - Just a few thoughts B4 happy hour :thumbsup: Link to comment Share on other sites More sharing options...
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