Quote:
Originally Posted by Terry,OH
I have a very similar or maybe the same problem. With original pumps there is no overflow but the engine ran too cold. I installed stats and when the stats opened I had overflow. I lowered the coolant level to just above the radiator core and no more overflow. I then installed Skips pumps and now when the stats open I have overflow again. Lowered the coolant level slightly again to under the top of the core and the overflow has stopped. I believe my problem is due to flow through the radiator and will now have the radiator cleaned out.
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Save your money another guy on here just went through the same drill.
Read what I posted about a recovery bottle. The inside size of the 144
tubes added up as I remember was 3.5 square inches and the full flow
through the 2 top hoses is 4.5 . This is like putting 4 lbs in a 3 lb bag.
The coolant NEEDS to be forced through the tubes and in doing this
coolant backs up in the top tank. There needs to be restriction in the
over flow tube and a tight sealing radiator cap to work. G.M.