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hdj80 12v turbo bhp gains with intercooler

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punk_sy
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Joined: 16 Oct 2009
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Location: nottingham,England

PostPosted: Tue Oct 27, 2009 23:48    Post subject: hdj80 12v turbo bhp gains with intercooler Reply with quote

Has anyone fitted an intercooler to there cruiser looking at doing this in the near future.
Looking at the inletmanifold ill need to make an adaptor of some sort to fit the hoses on. The cooler will be mounted at the front of the rad a fairly large one. Would i be wasting my time doing this or will it give me added power ect?

I am also making an exhaust system for it too as ive only owned it a week and have just about ripped it of offroading! Was looking at a 3" straight through system to make it flow better is this a to large diameter ? It will be a stainless system lomsterbacked where it needs to be and of cause well out of the way.

any info or advise appreciated cheers simon.
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Desperatezulu
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PostPosted: Wed Oct 28, 2009 9:45    Post subject: Reply with quote

Julian Voelcker has added an intercooler to his 80 with good results - I am sure he'll add his views when he's next on the forum!
I believe he used the Allisport intercooler - not sure what you're proposing to do? Fab one up yourself or buy one designed for the 1HD?

People have reported power gains using bigger exhausts, so chances are you'll see some improvement! Good luck and let us know how it goes!

Cheers,
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Andrew

'98 LC80 4.2TD VX 24v
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suvsteve
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PostPosted: Wed Oct 28, 2009 22:39    Post subject: Reply with quote

you will get a slight power increase better fuel eco and pro long the life of your turbo well worth doing i think

and a free,er flowing exhaust will help spoole the turbo quiker  Cool
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Crispin
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Joined: 09 Jun 2009
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Location: Welham Green, Hertfordshire, England

PostPosted: Wed Oct 28, 2009 23:15    Post subject: Reply with quote

suvsteve wrote:
and a free,er flowing exhaust will help spoole the turbo quiker  Cool


Any downside to this? Don't want to sounding like a Saxo but my biggest gripe with my 120 is the manual gearbox and turbo lag. If you caught in the wrong gear / rpm, the engine is dead and turbo seems to take an age to spool.
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Crispin
Have Snorkel, Will Swim
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garystockton
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PostPosted: Thu Oct 29, 2009 10:13    Post subject: Reply with quote

Suspect best benefit for you is a plug-in power chip - a decent one (the TTE Toyota one is on my wish-list but too expensive - almost a grand).  Spider seem to do a good one, as do Steinbauer (TBR)

TBR
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Crispin
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PostPosted: Thu Oct 29, 2009 10:36    Post subject: Reply with quote

Not struck on them Sad Will get an auto next time...
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Crispin
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garystockton
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PostPosted: Thu Oct 29, 2009 10:40    Post subject: Reply with quote

The TTE one is excellent - Toyota Motorsport development, warrantied by Mr T.  The proven gains are there ...  but it is expensive.  Used on the Dakar motors I heard ...

I would never go for the flea-bay 'specials' though.  I might as well magnetise my fuel  Laughing
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punk_sy
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PostPosted: Thu Oct 29, 2009 16:02    Post subject: Reply with quote

cheers guys ill probly go ahead with the cooler and exhaust had a chat with a thew people now and sounds the best plan. The chip idea did go through my head but its just another thing to go wrong in deep water and its probly going to be cheaper for me to do the cooler and zaust. Plus i need to make an exhaust anyway!may look at a chip later on if i need morrre power. Might get it on a dyno before and after to see how much you can get with the mods aswell.

cheers simon
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wildsmith
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PostPosted: Thu Oct 29, 2009 17:12    Post subject: Reply with quote

You can't chip an 80 series diesel anyway, it's all mechanical controls so there's nothing to chip  Wink  The only thing I've got against front mount intercoolers is if you like bog snorkeling as LC puts it you're going to have cooling problems because it will be even harder to clean the radiator fins. But if bog snorkeling isn't your thing then that shouldn't be a problem. Once the intercooler is on you'll need to raise your turbo boost and tweak the pump settings to make it go properly which is where having it installed for you might pay.
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Jon m0zxj

01 UZJ100 lifted (AHC & 40mm BL), ARB locked f&r, cryo'd 4.88's, TJM front bumper, 12k goldfish, sliders, rack, snorkel, 35's, storage, aux power etc.
93 HDJ80 sold
94 HDJ80 RIP
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aroscow
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PostPosted: Mon Nov 23, 2009 14:46    Post subject: Reply with quote

I drove Julian's last week.

Not sure about how much more torque / power it has but it is a fast, fast truck.  Makes a standard truck feel sedate in comparison.
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HDJ80, BFG AT's, grooved discs, OME 850/860's
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Kerbsty
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Joined: 27 Jul 2011
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PostPosted: Thu Jul 28, 2011 10:18    Post subject: Reply with quote

Ohhhhh noooooo wish I hadn't read this thread *ponders if she can start pimping the tank up I'm the winter months*  Wink
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Kerbsty
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PostPosted: Thu Jul 28, 2011 10:22    Post subject: Reply with quote

Can I ask a probably REALLY stupid question......
When u peeps are talking about 80series etc
Is the 80 series me? As on the chassis plate it says HDJ80 R
It is the 4.2L straight 6 1994 L reg
Cheers guys  blob3
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aroscow
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PostPosted: Thu Jul 28, 2011 18:28    Post subject: Reply with quote

HI Kerbsty

I don't think you are an 80 but it sounds like your truck definitely is.
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Kerbsty
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PostPosted: Thu Jul 28, 2011 18:44    Post subject: Reply with quote

LOL  Laughing  I am MOST DEFINATELY not 80!   Wink (Altho sometimes feel old)

Thanks for that good to know all this sort of "group talk"  Very Happy
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ozzymondo
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PostPosted: Mon May 21, 2012 20:13    Post subject: Engine mods Reply with quote

hi All , has anyone got a link to Julians site , i am interested in more power gain for my 80 and wanted his opinion on tweaking the boost and fitting a new exhaust system , Mark.
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