after market turbo on nissan 4.2 diesil
Submitted: Friday, Jan 02, 2009 at 23:00
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Member - warren G (VIC)
anyone know of any problems with after market turbo on 2000 4.2 patrol the one i looked at drove
well had a kit from some place in towoomba qld car has done 120kl but owner does not know when turbo was fitted
Reply By: Member - Ed. C. (QLD) - Saturday, Jan 03, 2009 at 00:29
Saturday, Jan 03, 2009 at 00:29
A 2000 4.2 Patrol would be a factory turbo...
There are at least 2 firms in
Toowoomba which do "power-up" modifications to said factory turbos..
One is MTQ (foreign owned), the other is
Toowoomba Superior Turbos, a local family owned & operated business, of which the proprietor and staff know what they're doing (that's why I got them to do
mine;-))...
AFAIK, there are no inherent problems with these engines (indeed, they are widely regarded as being "bullet-proof"), apart from a _percieved_ tendency to "overheat"..
IMO, this (so-called) problem is more percieved than actual, with the main "problem" (if you could call it that) being an over-sensitive gauge!
Having said that, it is important to make sure that the cooling system is in tip-top condition, but that applies to any vehicle, does it not?
At 120K, she's barely run in;-)
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Follow Up By: Member - warren G (VIC) - Saturday, Jan 03, 2009 at 14:11
Saturday, Jan 03, 2009 at 14:11
thanks for info my mate is deciding on the one with mtq tubo and a 2003 factoy turbo that has 20000kl more but is 5000 grand dearer and not much better
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Reply By: Member - John - Saturday, Jan 03, 2009 at 06:32
Saturday, Jan 03, 2009 at 06:32
Warren, I have had two GU's with the MTQ modified turbo, no overheating issues, much more driveable,
well worth the money.
AnswerID:
342358
Follow Up By: Member - warren G (VIC) - Saturday, Jan 03, 2009 at 14:06
Saturday, Jan 03, 2009 at 14:06
thanks for info
john and ed for reply my mate is deciding on one with mtq tubo and a bit dearer 2003 factoy turbo with 20000kl more warren
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Reply By: Davo_60 - Saturday, Jan 03, 2009 at 15:31
Saturday, Jan 03, 2009 at 15:31
Hello,
I am guessing that it is the N/A GU 4.2 with an aftermarket kit fitted. From memory I recall reading somewhere that the N/A GU 4.2 had different pistons (maybe due to emission requirements?) to the N/A GQ 4.2, making them less suitable for turbocharging than the GQ. Worth researching to
check if this is the case with a reputable diesel specialist. Even if they are it's not to say it's not fine, I believe that the 1hz pistons changed at some point in the toyotas to a different compound for similar reasons, and there are plenty of them running around with turbos. Not 100% on this but I'm sure someone will know for sure. The factory turbo model will be more expensive for sure and rightly so.
Good luck,
Dave
AnswerID:
342428