Cry once. Get the real thing.  Spend some money to protect your investment.  I recommend  Mocal coolers from BAT Inc. I run one myself. 

Chris.

Wysłane z iPhone'a

Dnia Jun 14, 2011 o godz. 12:40 Don Hanson <dhanson928@GMAIL.COM> napisał(a):

>  Hi all, I'll put the question at the top of this post, then add some
> details below..
> 
> It occurred to me I might use my Vanagon rear heater as an auxiliary oil
> cooler.  Yes/no?
> 
> the rest of the story:  I'm running an inline 4 ABA 2.0 liter VW motor in
> my 5sp low top van with a partial westie interior.  I have the rear heater
> out and sitting on my bench, with the coolant lines properly plugged and the
> van has been running fine for about 20k miles.
> 
>  I am running the normal VW oil/coolant heat exchanger  between the block
> and the oil filter.
> 
>  I recently flogged my van hard on a mountain trip.  Most of the time the
> coolant temp stayed normal and the oil temp was OK.  The Oil Pressure at
> speed was fine also.  On  the hardest longest steepest climb that I
> encountered, I hit the hill bottom at around 80mph and kept the pedal down,
> just to see how it would go.  This was probably around a 7-8% grade for
> about 6 miles of climbing.  My speed slowly declined to around 70 with the
> pedal on the floor, and held at that speed...In my van, that translates to
> around 4000rpm.  My Oil pressure was reading about 60psi(normal for that
> rpm), coolant temp climbed about one needle width to mid-way between the
> 'cold zone' and the LED blinker.  My Oil temp went from it's normal ~210f up
> to around 230f.  At about mile 5 of this climb, I saw some smoke behind and
> got out of the throttle.  My gauges were doing nothing alarming, but the oil
> temp was higher than I like, I guess.   So i am going to add a real oil
> cooler.  I am planning on getting the oil from a thermostatically controlled
> sandwich plate at the oil filter, then taking it to a remote cooler and
> back.
> 
>  I began by going to the BAT (British American Transfer) site where I've
> sourced my previous oil cooling parts (Mocal)... I started to work up a
> parts list, went onto the Samba and looked at how Tencentlife had done his,
> etc.  Then I recalled my rear heater unit, sitting unused in  my parts
> pile.   I dug it out.  It has the right size heat exchanger (radiator) it
> will fit where I plan to put one (driver's side D-pillar) and it has a fan
> already built in, should I find I need one.  The plumbing connectors are
> about the right diameter for the hoses, etc..
> 
>  If I can use that heater set-up  rather than buying a Mocal, I can save
> myself about $150.  What think you all?  Would the VW standard Vanagon rear
> heater be ok to run hot engine oil through?  The oil would be in the 230-
> 280f temp range, max.... and I see 50-65psi at operating temp for oil
> pressure.
> 
>  Thanks, Don Hanson