All Things Chev

[rainsey]

I think I hate you... nah, just joking.

I'm not getting anything like that but then again my gearbox is a 4L85 Auto, my Van is around 2 tons and most of my figures were with 35's.
Bottom line is that I don't really care as the the vehicle is what it is.
Agree the 6.5 has to be one of the slowest revving engines ever produced but, meah, thems the breaks.

Ha ha ... I'll send you a photo of me to put on your dart board
My camper just hits over the tonne and I am running 33's. Was considering the Auto before the conversion ... Could not afford it. Now I have the conversion, sort of happy that I was broke. I can still se the advantage though of running the auto.

What I have noticed though, with the lower ratios that Brunswick put in, sitting in traffic is substantially nicer than re upgrade.

Kindest regards
Rainsey


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[peterc99]

Hi Rainsey

The exhaust side (drive side) of the turbo - mine was originally 0.84 a/r and a bit slow to spin up. Check which make and model turbo you have and speak to the technical boys at MTQ, they should be able to assist you.

regards

Peter

[rainsey]

Hi Rainsey

The exhaust side (drive side) of the turbo - mine was originally 0.84 a/r and a bit slow to spin up. Check which make and model turbo you have and speak to the technical boys at MTQ, they should be able to assist you.

regards

Peter

Sorry, treat me like a dummy ... What is 0.84 a/r .

Cheers
Rainsey


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[nissannewby]

Sorry, treat me like a dummy ... What is 0.84 a/r .

Cheers
Rainsey


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A/R- Aspect ratio of a housing attached to the turbo.

Peter has changed his turbine housing.

Its the way they measure the size of the housing. Generally the smaller the number the quicker it will respond but will be restrictive in higher rpm due to not being able to flow enough.

I would be inclined to leave a 0.84ar turbine housing on a chev fitted with an auto.

Ultimately I would bin the garrett and put a borg warner turbo on it instead.

[MB]

Thanks MB all good, bought a Donaldson one to replace the one supplied by millweld http://www.westernfilters.net.au/4-A...inlet-102mm-4/

Wow, that's a serious ram head, should do the trick mate :-)
Out of interest, most blokes seem to be running the K&N type boxes whereas mine has the Donaldson canister type. I'm not unhappy with it, quite agricultural and easy to swap out, just they're around $30 a pop :-(
What are you running in yours GUbigfish?
Cheers mate !

[rainsey]

Hey thanks for the info on the snorkel heads. This definitely looks like the go.

Question to everyone out there with the 6.5 .... what sort of temps are you running. With the old ZD30 I would sit at 90 to 92 degrees and it would be rock solid. I am finding with the 6.5 that driving around town I am typically sitting in the mid 80's, but the slightest hill, or if off road when in low going up a relatively steep hill I am going over the 100 to 110 mark.

I am sure that the engine has no issues with this but with the mother of a radiator that BD put in, I am amazed that the temps seem to go up so high. Is this the norm??

Kindest regards
Rainsey


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[gubigfish]

Wow, that's a serious ram head, should do the trick mate :-)
Out of interest, most blokes seem to be running the K&N type boxes whereas mine has the Donaldson canister type. I'm not unhappy with it, quite agricultural and easy to swap out, just they're around $30 a pop :-(
What are you running in yours GUbigfish?
Cheers mate !

I don't have a chev mate just the ole 4.2TDi currently running the factory airbox but will be upgrading to a fatz fab 4" in/out once I have the coin for it and a new 18G turbo, although could be tempted into a borg warner after seeing what AB's was doing when it was running.

[AB]

I don't have a chev mate just the ole 4.2TDi currently running the factory airbox but will be upgrading to a fatz fab 4" in/out once I have the coin for it and a new 18G turbo, although could be tempted into a borg warner after seeing what AB's was doing when it was running.

Is running "is"....lol. No past tense please!

New turbo will be on this weekend!

[peterc99]

Hi Rainsey

Re coolant temps - where is your temperature probe located? Maybe remove the probe and test in a container with boiling water and a mercury thermometer the check the readings.

regards
Peter

[MB]

Hey thanks for the info on the snorkel heads. This definitely looks like the go.

Question to everyone out there with the 6.5 .... what sort of temps are you running. With the old ZD30 I would sit at 90 to 92 degrees and it would be rock solid. I am finding with the 6.5 that driving around town I am typically sitting in the mid 80's, but the slightest hill, or if off road when in low going up a relatively steep hill I am going over the 100 to 110 mark.

I am sure that the engine has no issues with this but with the mother of a radiator that BD put in, I am amazed that the temps seem to go up so high. Is this the norm??

Kindest regards
Rainsey


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G'day Rainsey,
Those temps were the norm for me, last summer pre GM-ACDelco TS's. Can't advise true tests for another few months sorry.
Having owned a 3.0L Trol also, not sure if comparing temps is going to help you sleep old mate. Top query for all, I certainly haven't worked it out yet either. Cooling of modified truck/donks has huge questions and each and everysetup appears to be different:

1) Do you have grill/radiator free flow, and or giant spotty's like I had with a wind blocking BBQ plate bulbar also?

2) What temp thermostats did they install and what is your climate now ?

3) Was it fitted out with an oil cooler, where'sabouts and guesstimated size?

4) Is yours a 'V' belt or 'Serpentine' , water pumps differ I have read ?

5) Without scrolling back here, I believe you have a turbo too (lucky bugger) although how close does the 'V8' crossover pipe come to the sump maybe?

6) I'm running out of theory's:-)

Cheers Mb


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