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4th January 2018, 08:12 PM
#911
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Maybe just drinking then ME mate, thank you ;-)
Does seem to take us all into, “how to” , stop oil cooler/line flow back into our sumps? Personally do love your idea/proven of mounting up higher bullbar for awesome efficiency!! Another bonus I do find with your new setup is true oil changes with a little patience added although some crud will stay in all cooler setups from their own lowest drain points?
Can only ‘imagine’ now that a lowest storage/canister pre cooler with a dump/oil change HP valve would further assist oil volume needed and siphon back height pressure/air issues?
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the evil twin (4th January 2018)
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4th January 2018 08:12 PM
# ADS
Circuit advertisement
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4th January 2018, 09:22 PM
#912
Mark, the retained volume of oil in both new oil cooler tubes is just on 0.4L. being that left in the the crescent below the connection fitting. If you wanted to, you could simply unbolt the cooler and tip it up on its end, still connected to the hoses and pull out 99% of that, pretty simple, 4 small bolts. Couple of lemons with this still, I think the other thing you need to confirm is if your oil lines enter the top or bottom of the BD oil cooler; should be the bottom, otherwise there is no way of draining the oil from the cooler, PLUS, you may still need to crack a line on the BD oil cooler as your circuit is heading 'uphill' - follow it thru on the truck and you will see what i mean - mine runs into a small 'u' bend loop and this small quantity of oil will just have to stay there and get diluted by the new oil - maybe half a cup at most - not important in the scheme of things.
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4th January 2018, 09:36 PM
#913
Originally Posted by
matfew
Coolers are all on the low pressue side from what I have seem in most cars Phil. Never seen any finned heat transfer unit in a car capable of holding much more then 20psi haha.
Matty, the oil coolers on the chev are fully pressurised, rated at 300psi and hoses at 500psi, screwed fittings - just found this out with my oil cooler addition. The new coolers are pressure rated at 500psi also.
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matfew (4th January 2018)
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4th January 2018, 09:38 PM
#914
Originally Posted by
MB
Kindly received some pics today from
http://www.blitsbodykits.com.au/ for the GU Supercharger bonnets if anyone needs raised @
rainsey Cheers mate!
I believe this one below is for GU4 and onwards:
I believe this one below is for earlier:
Wendy there was very helpful so give em a call if you GU blokes need.
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@MB, have you checked yet about the missing side vents? Funny enough the picture of the bonnet fitted to the GU does not have them - maybe needed to specifically ask for them?
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5th January 2018, 06:02 AM
#915
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Not as yet mate, have been flat out myself and figure they’d still be on holidays. The picture we had discussed fitment over email was this one below they sent me so I guess I just assumed they came with it :-(
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5th January 2018, 12:13 PM
#916
I am he, fear me
Pfft, why do you want vents in the Bonnet?
Aesthetics?
IMHO it looks a bit daggy and the Patrol in the pic looks shmicko
Dolphins are so smart that within a few weeks of captivity, they can train people to stand on the very edge of the pool and throw them fish.
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5th January 2018, 12:29 PM
#917
Originally Posted by
the evil twin
Pfft, why do you want vents in the Bonnet?
Aesthetics?
IMHO it looks a bit daggy and the Patrol in the pic looks shmicko
I think they are working on the flow of air into the front and some small amount going out of the side vent.
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5th January 2018, 12:52 PM
#918
I am he, fear me
Originally Posted by
PeeBee
I think they are working on the flow of air into the front and some small amount going out of the side vent.
Yeah, I spose...
IMHO vents that small will do bugger all.
There is a wacking great fan/s shoving a gazillion cubes a minute of air out the 2 square metre hole in the bottom of the engine bay so a couple of dinky little vents won't do much.
I have seen posts advocating and/or claiming raising the rear of the bonnet off the seal gets good results.
Personally, I remain sceptical of those claims as well.
I do agree cooler ambient air will enter thru the scoop at reasonable vehicle speeds which will help rather than the hotter air post Rad
All just my opinion tho...
Last edited by the evil twin; 5th January 2018 at 12:54 PM.
Dolphins are so smart that within a few weeks of captivity, they can train people to stand on the very edge of the pool and throw them fish.
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5th January 2018, 01:19 PM
#919
I think the primary reason for this bonnet modification by the manufacturer was to provide additional engine clearance when motor swaps take place, plus a desire to get a bit of air into the engine bay. I think at low speed where the vac effect does not take place, there might be some improvement; certainly adding a side exhaust path would help to induce flow, but to your point, the mass escape path is downwards. I have installed actual bonnet gills above my motor and cannot notice any tangible change in reduced temps at highway speeds. Unfortunately I had the faulty fan coupling come into play on the first 4wd outing, so they didn't help much there either. Time will tell, but there certainly is a high temp flow of air venting from the bonnet out the gills when the vehicle is stopped and engine off, and a positive but not high flow when stopped and the engine is running.
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5th January 2018, 09:08 PM
#920
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G’evening good Blokes!!
I guess my latest wacky theory again of the side vents expected upon arrival was in relation to a multiple alternator rack install in replacement of the now removed massive Donaldson NA keg sized air filter behind the center of manifold intake. The 4” Millweld custom system a while ago now seems to be working very well on noticeable say 10% ish cooler power & fuel up the short highways. All that great space left back there now has been an area of “what to do with” for my way of thinking:-(
Last trip on ‘Dingo Hill Track’ (at best 2kmph) I did overheat by foolish total truck design my 170amp pimped GQ alt.
As always, is very possibly a knee-jerk reaction on my behalf again!
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