300 Tdi - Bit More Go

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18th July 2008, 08:19 AM
81stubee

Best thing I did to mine, was to:

Install Pyrometer for monitoring Exhaust Gas Temp.
-Drill a Hole in the EGR blank plate and then bronzed in a piece of Stainless with a hole drilled down to near the end. This gave me somewhere to stick the probe ($10). I then ran the lead into the car where I had a Digital Multi meter ($30) on the dash.

Wind up the Fuel pump. (only do this with a EGT gauge), There is a great page/tutorial on here somewhere, just can't find it at the moment.

What ever you do the EGT must not go above 700 degrees C. I had mine up pretty high. Over Chrissie on the Long Hill up the monaro hwy from Cann River, with the camper was nudging 700 b4 backing off. Mind you I was sitting close to 90kmh the most of the way.

Cheers

Stu
18th July 2008, 08:38 AM
rangieman

Quote:

Originally Posted by 81stubee

Best thing I did to mine, was to:

Install Pyrometer for monitoring Exhaust Gas Temp.
-Drill a Hole in the EGR blank plate and then bronzed in a piece of Stainless with a hole drilled down to near the end. This gave me somewhere to stick the probe ($10). I then ran the lead into the car where I had a Digital Multi meter ($30) on the dash.

Wind up the Fuel pump. (only do this with a EGT gauge), There is a great page/tutorial on here somewhere, just can't find it at the moment.

What ever you do the EGT must not go above 700 degrees C. I had mine up pretty high. Over Chrissie on the Long Hill up the monaro hwy from Cann River, with the camper was nudging 700 b4 backing off. Mind you I was sitting close to 90kmh the most of the way.

Cheers

Stu

Something like this is cheap enough;)
DIGITAL EGT THERMOMETER PYROMETER W/ Probe - eBay Thermometers, Test Equipment, Electrical Test Equipment, Business Industrial. (end time 27-Jul-08 23:41:03 AEST)
18th July 2008, 09:31 AM
Silverone

Is your tdi300 a electronic diesel control or done by the good old fashioned cable. If its cable control I can tell you what I did to mine and which gave it a lift in performance. Also is it auto or manual. At 280000 kms I would be a bit careful if its had no motor work.
Regards Ray
Rotorua:)
18th July 2008, 10:01 AM
rangieman

Quote:

Originally Posted by Silverone

Is your tdi300 a electronic diesel control or done by the good old fashioned cable. If its cable control I can tell you what I did to mine and which gave it a lift in performance. Also is it auto or manual. At 280000 kms I would be a bit careful if its had no motor work.
Regards Ray
Rotorua:)

All ozzie Tdi,s are old fashion control jobbies , no electronics till the Td5:D
18th July 2008, 12:23 PM
Jock The Rock

Quote:

Originally Posted by Silverone

Is your tdi300 a electronic diesel control or done by the good old fashioned cable. If its cable control I can tell you what I did to mine and which gave it a lift in performance. Also is it auto or manual. At 280000 kms I would be a bit careful if its had no motor work.
Regards Ray
Rotorua:)

yeh its cable and manual?

Thanks

Jock
18th July 2008, 12:55 PM
feraldisco

Quote:

Originally Posted by jx2mad

I had gas fitted to my 300tdi. It has a great increase in performance plus around 1000k per tank of diesel. Jim

there was an interesting article on diesel gas in the May edition of Overlander - the most detailed description I've seen of the technology out of all such mag articles in the last year. It had an amazing graph of the performance increase on a 300Tdi Defender - almost double the HP and torque! The effect on an electronically-controlled TD is much less but still significant...
18th July 2008, 01:01 PM
feraldisco

Quote:

Originally Posted by Silverone

Is your tdi300 a electronic diesel control or done by the good old fashioned cable. If its cable control I can tell you what I did to mine and which gave it a lift in performance. Also is it auto or manual. At 280000 kms I would be a bit careful if its had no motor work.
Regards Ray
Rotorua:)

By all means get a compression test, but I know of a 200Tdi with 500K k on the original motor, so 280K k isn't too high for some sensible performance mods - many of which don't need to result in much more stress on the motor (e.g. remove centre muffler and fit ECU-controlled diesel gas from a respected supplier - and then try to avoid using all of the increased power all of the time!) unless you flog the vehicle of course...
18th July 2008, 01:07 PM
Disco_owner

Quote:

Originally Posted by feraldisco

there was an interesting article on diesel gas in the May edition of Overlander - the most detailed description I've seen of the technology out of all such mag articles in the last year. It had an amazing graph of the performance increase on a 300Tdi Defender - almost double the HP and torque! The effect on an electronically-controlled TD is much less but still significant...

Hi Feraldisco;

Any chance you can Scan the article and post it up in Aulro ?
18th July 2008, 01:14 PM
disco_ute

I got a proper disel tune done i went the 'FULL' tune which involved pump mods which were mechanical rather then just little pump tweaks. I would suggest new injectors whould make a big difference without any other mods to start with. my 300tdi went in to the tune with 33kw @ the wheels and came out with 50.1 @ the wheels and OMG what a difference!! 4th gear (mine is an auto) pulls away now!! unfortunaly money talks! save some cash and get it done by a pro i had my pump tweaks ok but did a head gasket mostly due to age 265km. so i was up for a full head rebuild and then the tune so it cost me more in the long run...
18th July 2008, 04:01 PM
feraldisco

Quote:

Originally Posted by Disco_owner

Hi Feraldisco;

Any chance you can Scan the article and post it up in Aulro ?

sorry, I don't subscribe to 4WD mags any more, so it was actually a library copy I was flicking through...

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