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13th May 2014, 09:19 PM
#1
GU8 Boost
What boost should I be running
I have a GU8 manual and have installed 3" exhaust, Chip, Dawes, Hi Flow intercooler, K&N air filter, catch can.
Started running the boost at 14psi & the EGT would run high, have now got it at 17psi (sometimes it will spike to 20psi for a second them drop back) and the EGTs are more manageable, what else can I do to lower the EGTs as this is holding back a lot of extra power.
Im currently towing a pop top camper around QLD and the patrol is eating the hills, but its a pain in the ass having to drop back the gears just to keep the EGTs under 600 half way up the hill when its pulling it easy.
Currently getting 14 to 15ltr/100k sitting on 105ks in 5th.
Any help would be great
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13th May 2014 09:19 PM
# ADS
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14th May 2014, 06:22 AM
#2
BIG & BALD
Mods can you move this to appropriate section. Has already intro'ed.
2011 GU8 ST 3.0 CRD, ARB Bullbar with IPF spotties, scrub bars and side steps, Snorkel, Dual Battery system, Waeco fridge, Turbo Timer, ARB Roof Rack with 5 IPF spotties across the front, Custom full Leather Bucket seats, DPchip, 3" Taipan exhaust, ARE Intercooler & scoop, Autron EGT/Boost and dual volt gauges, ARB front locker.
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14th May 2014, 10:42 AM
#3
Patrol God
Get it tuned.
You could simply running to rich at the lower psi.
Imo 20psi is up the top end for a stock engine.
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14th May 2014, 10:56 AM
#4
BIG & BALD
Originally Posted by
Westy's Accessories
Get it tuned. You could simply running to rich at the lower psi. Imo 20psi is up the top end for a stock engine.
I thought 20psi too high for a 3ltr.
2011 GU8 ST 3.0 CRD, ARB Bullbar with IPF spotties, scrub bars and side steps, Snorkel, Dual Battery system, Waeco fridge, Turbo Timer, ARB Roof Rack with 5 IPF spotties across the front, Custom full Leather Bucket seats, DPchip, 3" Taipan exhaust, ARE Intercooler & scoop, Autron EGT/Boost and dual volt gauges, ARB front locker.
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14th May 2014, 11:46 AM
#5
Patrol God
20 psi is normal for the common rails they run higher pressure that's why their limp mode threshold is higher than the Dis .
I still wouldn't have it there though my one peaks at 16-17 and she runs like a dream. Any higher and turbo will be spinning for no reason and any lower she becomes sluggish.
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14th May 2014, 11:48 AM
#6
Block your EGR valve. This will lower your egt's also...
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20th May 2014, 09:49 PM
#7
welcome to the forum
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21st May 2014, 08:36 PM
#8
Any know a good place in SA to get it tuned ??
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4th July 2014, 06:32 PM
#9
Welcome to the forum mate
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