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Hot climate - extended sump?

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KalgoorlieGreg Seriously Crusin Dubber

196 posts · joined Aug 2016 ·

#1029618
Hi all,

Was wondering, here in Kal, it gets over 40C constantly during summer and would an extended sump help to control engine temps? More oil would help disperse heat better?

I could be totally wrong and happy to be schooled!

Bizarre Moderator The artist formerly known as blue74l

12,789 posts · joined Aug 2002 ·

#1029620
More oil means it just takes longer to get hot

If anything an oil cooler is what you need / want

In / out on the oil pump is easiest

Make sure your tin is all in place and you tune correct
A stock motor driven normally should cope with a hot day
Futue te ipsum!!!

68AutoBug Beetle Restorer - Experience over 138\% - YIKES --

11,654 posts · joined Aug 2002 ·

#1029622
KalgoorlieGreg wrote:Hi all,

Was wondering, here in Kal, it gets over 40C constantly during summer and would an extended sump help to control engine temps? More oil would help disperse heat better?

I could be totally wrong and happy to be schooled!
It doesn't make much difference to the oil temperature when the air temperature is 40c..
Greg with a beetle, I recommend having the top of the engine lid open using either the readily available alloy hinge STAND OFFS or I use the steel bracket that is made from welded flat steel and can be installed or taken off in less than a minute..... so the top of your engine lid is open about 75mms approx.. and this does make the engine run cooler in the summer at 40c... with the air coming over the roof and into the engine bay... I have vents in My engine lid so the hot air can also get out....
You will also see many early engine lids with two sets of vents in them, which was original in early beetle cabriolets, but all those You see will have been made up. Now if Your engine is still a single port with original fan and housing, You can change to a later wider fan and housing plus the wider [larger] oil cooler which will help keep Your engine much cooler than the originals. Do You have any pics of your engine?
My 1968 model beetle had no vents in the engine lid, but later ones did, and also was a single port engine [still is] but now has the later fan shroud with new wider oil cooler and wider fan etc.. called a dog house fan shroud as the oil cooler sticks out from the back of the housing...

Make sure that the very hot air coming out under the engine cannot get back into the engine bay and getting sucked into the already hot oil cooler
The rubber seal around the engine bay needs to be in good condition.


Lee
- Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY---

modnrod Fahrvergnugen

978 posts · joined Mar 2011 ·

#1029624
Hi Greg.
Lo-40s for a few months in summer? Is that all? When does it get hot? 😁
Only joking man!

It's a different world with high temps and low humidity, it raises ALL temps as you know. A few tricks I've used over the years, in order of proven effectiveness against CONTINUOUS running on the highway.........

1. A big ugly 80s whale tail. Makes a HUGE difference. Bloody ugly though, stand-offs are a pale substitute, but maybe prettier.
2. A water mister kit, like your patio has, aimed at the fan intake. Drops ALL temps, including oil (coz the surfaces don't transfer as much). Spray for a few secs, wait a minute or 3, spray for a few secs, etc.
3. Extra oil cooler with a fan, but it needs cool airflow without any red dust or gravel thrown at the oil lines, so a bit tricky.

Best of all?
Keep the revs 3000-3500. If it still gets hot, then drive around at 75kph in 3rd, heaps less aero load but max air cooling.

Finally......park it up between 8am and 6pm maybe? 😂

Mine (hopefully......) will survive at 100kph up and down rolling hills in mid-hi 40s, into the usual 20kph headwinds, with less than 8% humidity, while towing my dragbike on a 6x4 trailer if all the tricks work.
Hopefully.......

Newt Wolfsburg Wizard

478 posts · joined Mar 2008 ·

#1029701
Guys

Im curious. Why do the 80s style whale tails make such a difference?

Ta

Newt
It is as it is - If you didnt enjoy today, you've missed the opportunity.

DasAuto77 Learner Dubber

17 posts · joined Apr 2014 ·

#1029712
I have actually fitted a scat deep sump to my 2l kombi some years back. I tow a 400kg trailer with sup board on roof to Byron over Christmas so expect temps up to 35C. A deep sump does make a small difference and I am glad I fitted it. But it won't solve chronic overheating issues. And yes, I have been running an accurate (at 100C) oil temp gauge for the last 5 years to compare and all tinware and muffler heat shield is in place.

http://forums.kombiclub.com/threads/high-capacity-oil-sumps.47261/

68AutoBug Beetle Restorer - Experience over 138\% - YIKES --

11,654 posts · joined Aug 2002 ·

#1029789
KalgoorlieGreg wrote:Hi all,

Was wondering, here in Kal, it gets over 40C constantly during summer and would an extended sump help to control engine temps? More oil would help disperse heat better?

I could be totally wrong and happy to be schooled!
They do help slightly.... and every degree that drops does help.
Worthwhile - Yes...
plus You can get a proper engine oil filter to sit in the extra sump.

LEE
- Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY---