Engine Swaps - it is the day after that gets you! - Off-Road Forums & Discussion Groups
Jeep-Short Wheelbase All discussion of short wheelbase Jeeps: CJ, TJ, YJ and JK

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post #1 of (permalink) Old 09-30-2000, 10:56 PM Thread Starter
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Engine Swaps - it is the day after that gets you!

After swapping several motors into a couple of jeeps and one pickup, I thought I new of all the things that could go wrong - you know the things that show up after a couple of days of driving. The burned in two wiring that was too close to the header, wiring the backup lights backwards, believing the spring/load rates on those springs will handle the weight of the new motor because that was the spring rating 5 years ago, and hooking up the heater core properly and flushing it really well to prevent leaks.

Well the heater core did not work this time either!! I flushed it and even made sure the direction of flow was going to be the same going from the 4 banger to the Vortec V6.

It all started when I noticed the puke bottle level a little lower each time I checked it. Then we had a touch of cool weather and gees...the smell when I turned on the heat. One new core later and a whole bunch of weather stripping (the old foam covered baffles ain't what they were when the Jeep was newer) I have heat and no antifreeze smell (just solder and RTV which is always better). The baffle between heat and defrost doesnot seal as well now even after trying to help it out with new foam. Can you still get those foam covered baffles?

Come to think of it...the only time the heater core has burst is when I put a Chevy motor into a Jeep...hmmm. The big chevy motor in the chevy truck no problems....Hmmm brand jealousy maybe?

88 YJ (sort of)
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