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7th May 2020, 10:20 PM
#1
Howdy! EGT/Boost Questions
Hey guys new to the forum and fairly new to patrols.
a couple of months ago I bought myself a 03 Wagon TD42TI with 225,000 clicks. It was bone stock engine wise so I have recently installed my new hpd top mount intercooler to replace the standard one,
in the process i deleted the egr and cleaned out the intake manifold and installed boost/egr guages. It already had a 3” exhaust.
First question:
Peak boost is about 13psi with no boost controller or anything. Is that normal for a standard td42ti with my set up?
Second question:
EGTs creep up to 450-500 when on the highway going uphill/headwind etc. what can i do to help this?
Does she just need a good tune? Whats the best way to make a bit more reliable power while keeping things cool and safe?
Any input is appreciated, Cheers ����
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Last edited by smjcbs; 7th May 2020 at 10:26 PM.
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7th May 2020 10:20 PM
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7th May 2020, 11:00 PM
#2
Patrol Guru
Close enough. Welcome mate.
2003 GU TD42 with a few extra ponies
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The Following User Says Thank You to 0-TJ-0 For This Useful Post:
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8th May 2020, 07:04 AM
#3
Patrol God
Welcome to the forum mate.
In the words of a Dhuck "QUACK".
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8th May 2020, 08:23 AM
#4
The master farter
13psi sounds about right. Take it to a reputable diesel tuner and see what they can do. Which wont be a hell of a lot with a stock TD, but they should be able to make it better.
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The Following 2 Users Say Thank You to mudski For This Useful Post:
0-TJ-0 (8th May 2020), Rossco (8th May 2020)
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8th May 2020, 01:36 PM
#5
Right on! Welcome from Canada. I'm around 13 psi too.
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8th May 2020, 08:50 PM
#6
Travelling Podologist
My '06 TD42i had about 7psi max boost as stock. After fitting a 3" exhaust & a manual boost controller I took it to an experienced dynotuner who was very familiar with these motors & aske him to tune it for towing. I got an increase to 13.2psi max boost & far more stable & controllable EGT figures. I can get it up to the sort of temps you are seeing, in the circumstances you describe , but I have to try. Mostly EGT's sit at between 250 & 350 deg.C Before the dyno just the sight of a hill was enough to push them up 550-600 & the rise was very rapid. I'm happy to stick with the max boost I have, still having the factory crimped intercooler.
2006 4.2TDi ex-Telstra Remote area Camper. 425w roof mounted solar, 360Ah Aux batts, BCDC1240, Onboard hot & cold pressurised & filtered water, (25 litre hot water calorifier), ARB fridge, ARB freezer, Built in kitchen, heaps of easy access storage, 240v, 3” Genie exhaust + dynotune, 2” lift, 3900kg GVM upgrade, second glovebox, ROH Blaktrak steel wheels, Bridgestone D697's (now Toyo RT's), Redarc gauges/pillarpod, Hema HX-1, Icom 450 CB, dual rear view cameras, Onboard 30amp Victron mains charger, second glovebox, dual seat conversion, TPMS, Boss PX7 onboard air with 9 litre tank, 350w inverter, Steel bullbar, Harrop Eaton diff lock (front), Warn winch, Snorkel, Dual spares , 160 litre water tank, 180 litre fuel in two tanks (approx 1200km range) 2010 Tvan Tanami. (incl another 70 litre water tank) with matching wheels/tyres (& 3rd spare)
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