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Intercooling GQ 2.8
Intercooling GQ 2.8
Thought id put up some pics of the front mount setup i just finished on my 2.8, just to help anyone interested in doing theirs because when i was trying to get some info on here before i started all i found was ppl saying theres not enough room its too hard so i hope this helps.
Last edited by lewie on Thu Apr 09, 2009 2:03 pm, edited 1 time in total.
beer gimme gimme ! ! !
Yeah am only running 13-14 psi with fuel turned up a bit from standard, guy that tuned it reckon after intercooler will be able to turn fuel n boost up more which i though no sh#t but i'll just drive as is for awhile because am happy with it for now. Yeah egr is blocked and over pressure is removed(12-13psi i think?) Was running 8psi standard. 3" dump pipe and exhaust and larger air intake pipe and bigger airbox hooked upto snorkel now. alot of things to get the 2.8 going well but it really does go good now and pretty good on fuel. The mods allow much better flow throughout motor and temps seem alot better then b4 all of it so am thinking head will last along time.
beer gimme gimme ! ! !
bits needed for it were
1-90 degree 3" to 2" (IC bottom)
1-90 degree 3" to 2.5" (IC top)
1-90 degree 2.5" to 2" (plenum)
1-45 degree 2" to 2" (turbo outlet)
2-steel L brackets for bottom of IC
2-custom steel brackets for top, or use another 2 L brackets and drill new holes for top mounts of IC
1-IC inlet outlet on same side
piping was done by exhaust shop out of stainless steel
all up cost me about $650.
1-90 degree 3" to 2" (IC bottom)
1-90 degree 3" to 2.5" (IC top)
1-90 degree 2.5" to 2" (plenum)
1-45 degree 2" to 2" (turbo outlet)
2-steel L brackets for bottom of IC
2-custom steel brackets for top, or use another 2 L brackets and drill new holes for top mounts of IC
1-IC inlet outlet on same side
piping was done by exhaust shop out of stainless steel
all up cost me about $650.
beer gimme gimme ! ! !
This is mine, fairly neat I think, cut the holes with an angle
grinder as I didnt have a hole saw and once the grill is back
on you dont see any of it.
Intercooler is 75mm wide and only JUST fitted in behind
winch, No Air-Con, had to take out passenger head light
to slide it it, welded some brackets to the bottom and top,
grinder as I didnt have a hole saw and once the grill is back
on you dont see any of it.
Intercooler is 75mm wide and only JUST fitted in behind
winch, No Air-Con, had to take out passenger head light
to slide it it, welded some brackets to the bottom and top,
nah was talking about not being able to find anything on GQ 2.8s plenty on front mounts just nothing on it being done to my motor due to how its set out 
fair enough my bad, looks the goods though, will makeLewie,
I did the same jb using a Safari IC I got off ebay. The fit is tight as mentioned to gets pipes about. Where did yu get the adjustable pressure valve fr boost pressure? Mine is running standard 10PSIG. I wuld like to push a little higher.
Also, is your exhaust 3" right the way out or just for dump pipe?
I read on another thread there is a thottle plate or orifice plate on outlet of the factory turbo that limits its breathing - is this actually the case - if so, is it easily removed? Do yu think the utput wuld increase with standard exhaust and throttle plate removed?
I have made enquiries about upgrading exhaust, but largest commercially avail system advertised is 21/2" - is your a custom job or where did yu get it?
Mine is a July 1997 build - last shipment before the GU hit Aust.
Thanks and your install looks very neat.
I did the same jb using a Safari IC I got off ebay. The fit is tight as mentioned to gets pipes about. Where did yu get the adjustable pressure valve fr boost pressure? Mine is running standard 10PSIG. I wuld like to push a little higher.
Also, is your exhaust 3" right the way out or just for dump pipe?
I read on another thread there is a thottle plate or orifice plate on outlet of the factory turbo that limits its breathing - is this actually the case - if so, is it easily removed? Do yu think the utput wuld increase with standard exhaust and throttle plate removed?
I have made enquiries about upgrading exhaust, but largest commercially avail system advertised is 21/2" - is your a custom job or where did yu get it?
Mine is a July 1997 build - last shipment before the GU hit Aust.
Thanks and your install looks very neat.
No point in getting a 3" dump pipe and keeping standard small exhaust. yeah its 3" mandrel bent and only has 1 small sports muffler just before the diff, sounds good. Big exhaust made a huge difference. Bought the boost controller from autobarn for about $70
Last edited by lewie on Wed Apr 15, 2009 12:23 pm, edited 1 time in total.
beer gimme gimme ! ! !
Re: ?
That's correct. GU 2.8s came out with a factory top mount intercooler GQ 2.8s have no factory intercooler.SHANE055 wrote:Sorry for my ignorance but I'm new to Patrols and just recently bought a 2.8 GU mine is already intercooled were the GQ's not intercooled?
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