North American Turbocoupe Organization

How to drain oil from cooling system?
88cat Offline
How do I drain the oil from the cooling system I blew a head gasket and its full of oil. I have drained it alot of times even with the prestone flush kits and still find oil what do I do?
88 Cougar Bostonian
88 Cougar (351c under construction)
88 TurboCoupe
88 TurboCoupe
87 Turbocoupe: Holset H1C 25 psi, fmic,n2o,stinger header, 38mm ext wg, 3.5 exh, wms sds, innovate wb, c4 3000 stall, 3.55's, p&p head, 70mm tb custom upper intake, ported lower, Alky kit, line lock, all autometer gauges, kirkey seats

russ c Offline
Senior Member
I've flushed cooling systems with liquid laundry detergent before with good results. I've always mixed the detergent strong then warmed up the engine and drained while still hot. The laundry soap doesn't make alot of suds, that's why I use it. I have done this many times on diesel engines and has always worked great.
86TC Saved from certain death
88TC Gave its life so other TCs could live.
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Pete D Offline
This sounds like it should be in the FAQs
Pete Dunham


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