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S70 Engine Swap Questions S70

posted by  jarnkm on  Tue Jan 10 01:25 CST 2012
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last visit: Tue Jan 10 01:23 CST 2012
[RELATED]

I have the following cars:
1. 1993 850 GLT B5254S Engine 120K, w/ new factory Auto trans., totalled in rear, motor runs excellent. Timing belt, etc. were replaced when trans. was replaced.
2. '97/'98(?) S70 T5 B5254T Engine 180K, had blown the oil cooler in the radiator, it was replaced and then the head gasket blew.
3. '98 S70 GLT B5254T Engine 142K, owner knocked a hole in the oil pan(driving over speed bump) and ran the car until it started knocking. When he pulled over, it seized up. I pulled the oil pan and #2 rod cap was half off of the crank. I assume that the piston probably hit the valves and possibly damaged the head.

All 3 cars are basically complete.....

QUESTION 1: What are the possibilities of putting the 850 non-turbo engine into the S70 T5, either with the new 850 auto trans. or using the T5 auto trans.?

QUESTION 2: IF the above is possible, what electricals will need to be swapped?

QUESTION 3: What other parts might need to be changed?

any suggestions are appreciated.








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    S70 Engine Swap Questions S70

    posted by  KlausC on  Tue Jan 10 11:58 CST 2012
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    last visit: Fri Oct 24 10:15 CST 2014
    [RELATED]

    The last 850 was made for model year 1997, so car #2 = 1998.

    The #3 engine is a gonner and needs to be tossed. So I suggest moving the 2.5 from the 1993 to the 98 GLT. The GLT has a better tranny than the 1993, even new. Only move the engine/head, keep the exhaust and LPT in the 98 along with the intake manifold. That minimizes the vacuum changes and wiring changes.

    For the T5, pull the head, replace the gasket and bolts, clean the intake manifold, replace the PCV piping, clean the PTC nipple, and have a fun car with a new timing belt. Before you start: Check the oil pressure, it should be OK because you didn't run out of oil, but nice to know the oil pump works to spec.

    2 cents

    Klaus
    --
    My advice is free, so you got what you paid for...







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