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[bgbazz]

C'mon guys, play nice!  Is your truck auto or manual Mr Dawg?

[Bubba]

i am playing nice  and its auto th4oo

[Cockney Boy]

He was talking about me and Willo Kev 

[bgbazz]

Just a thought  on the auto side of things..he's having the problem with long hills, so if the tranny is slipping under load in top gear you will get an increase in temp which will raise the temp in the tranny cooler considerably ie. hotter air coming through the radiator. You normally won't notice any slippage when in lower gears or under light loads like flat ground. Any way you can fit a temp gauge to the tranny cooler? I've seen it done with an in-line gauge, but I reckon you could slip a sensor in the gap behind the cooler and get the same result with an electric one.

[Bubba]

  i see will was a bit handbags at dawn wernt he    


anyway fit that flexlite its free and i think it will sort you out

and bazz not having drove it on the 35s it may have placed his shifts a bit wonky

[bgbazz]

Yep, that could do it..bring the tranny in and out of lockup too often at speed and you'll get an increase in temp. And you may not even notice it happening, especially at motorway speeds with a bit of noise going on around you.

[Bulldog67]

A lot of sweet burblin noise going on around me 

Swap fan at the weekend and off for a run and see what happens but I had done probably close to 70 miles before it got close to overheating so will have to work out where to go to speed up the process

Need it done soon as coz Im not gonna be around to order stuff etc over Aug and TBH Im hopin the I can get the regear and locker done during that period

[bgbazz]

Try and find a fairly hilly route for ya test..then you will see the difference between load and no quite quickly. Make sure to get the air nozzle out and blow the radiator clean before you go. As I saw on the IOW pics, you guys were driving along some grassy lanes and it doesn't take long for a radiator to get choked up with seeds etc.

[Bubba]

i seem to recall hot running predates the lift ?

[wildwood]

JP Mag did a tranny cooling article.....
Temp gauge on out line
Temp gauge on in line so you know the diffence in hot out and cool in and small remote mounted cooler with integrated fan NOT part of main rad!
Then all rad has to do is cool engine...... They found before cooler trans was running the trans at 250 so close to distruction temp on hills and hot days!
Just a thought!

[bgbazz]

Exactly right Jez..this is what I alluding to in an earlier post

[Bulldog67]

i seem to recall hot running predates the lift ?

It does indeed

http://www.birtydastards.com/frm/index.php?topic=19605.0

[willo]

In my mind they were constructive questions Willo 

quit bangin on at ade

and thus it shows the make up of your mind

[IrishCJ6]

BD,

Can't really comment as I never had the factory rad in mine when I got it, but I have the opposite effect with mine, I can't get it warm enough so I've actually had to make up a blanking plate that I slide into the grill when driving on the motorway. Hey its great for offroading but not the best for driving on the road. I brought a new aluminium rad designed for V8's out of the US, and I'm running twin 12" electric fans on a thermostat and I have no cowl. Have a look at my build pics to see my rad setup, I can't upload at the moment as I'm in Africa working and the internet connection is bad.

[Cockney Boy]

I'll give you a piece of it I you like?

In my mind they were constructive questions Willo 

quit bangin on at ade

and thus it shows the make up of your mind

[willo]

I'll give you a piece of it I you like?

In my mind they were constructive questions Willo 

quit bangin on at ade

and thus it shows the make up of your mind

[dieselj20]

what axle ratio and tyre size you could be making the converter working overtime thus making heat

[Bulldog67]

w/t dana 44 front and rear, 35's, and 4.10 at the moment but soon to be 4.88 (hopefully before CF)

[dieselj20]

4.88 would help dose the trans fluid smell burnt or look dark in colour. it would help to link a external oil cooler in the line. 190 stat will slow the water down giving the radiator more time to get ride of the heat also I'm with bubba is viscose fan copling shot

[Bulldog67]

cheers, will check gearbox fluid, and ring lightys re the thermostat

couple that with the fan and fingers xd

[nomadsz]

Any joy or update BD??

[wildwood]

Here's another curved ball on the tranny front. You could get a deeper trans sump for more fluid...... Ie a cooler running trans. Summit are your likely lads!

[Bulldog67]

Any joy or update BD??

ordered a thermostat from lightys just in case, opens at 195, was dirt cheap so seemed mad not to, and its sittin in the courier depot at the mo

havent tracked down the flexalite fan yet but I got a spare stock one at the worse

and I have done some dough on the vents just in case, and if the look stoopid I may put them on anyway

hopefully all on by end of the weekend

after that will have to start lookin at stuff like Jez has suggested above

[bgbazz]

Mate..if most of what you're gonna try above doesn't work..don't go cutting holes for vents in the bonnet until you've lifted the back of it near the windcreen and given that a try..will cost you nothing to test and if it doesn't work, well, you can always go back to square one..and try something else. The bigger tranny pan HAS to work in your favour, but might be a bit costly, unless you can make your own.

Just my two bobs worth...

[Bulldog67]

new thermostat and some hood vents and just done a 40 mile run up n down long m/way hills and all seems cool