Reply With QuoteDamien, your engine does have anything printed on the top tappets cover? I'm sure mine has engraved or printed "complies with ADR30".
ForumSage
Bear photos will come.
Intercooler fitment is about 50% designed. Just got issues with time and priorities.
Fitment will take a while as it involves new radiator and ac condensor, new mount frame and shroud as well as mods to the rs500 intercooler pipes. I also have to shift my remote oil filters and replumb the air side of the turbo.
Originally Posted by workingonit
So Dougal, how do you type when wearing your gloves...OK, just show us the rest of the bear!
I thought Dougal had just about sorted the intercooler bit, just some fitment issues?
You shouldn't have said that p76...I think we might be shown some more graphs
ChatterBox
Damien, your engine does have anything printed on the top tappets cover? I'm sure mine has engraved or printed "complies with ADR30".
OldBushie
No, I wish it did, can you send me a pic? I'll PM my number
Is it on the tin cover or the alloy cover? Both my 4bd1's don't have it
ChatterBox
Will send tonight. I had an idea though:
http://www.aulro.com/afvb/isuzu-land...ay-photos.html
The silver plate that you can see in a lot of these pics is what I'm talking about. The various pics at least prove that it applies to lots of 4BD1's, not just mine.
I found a few pics on my phone that JUST show the plate. Not very good for reading the plate, but I think I can just make out the words on it: "This engine was made to comply with ADR 30". I'll send you a proper close up that is readable tonight.
OldBushie
Thanks heaps. That should be all I need😊
ForumSage
Would be careful about doing it in a Land Rover, for fear of twisting the rest of the drive-train out of existence.
I have been told of one component that generally lasts only a few hours...when the wick it wound right up/intercooled/better turbo.... This from an Engineer doing development work on that Isuzu engine.
- We're talking about OEM Land Rover gearboxes, diffs etc, not Nissans...
Or Ashcroft.
OldBushie
Nothings standard in mine except most of the lt230
Wizard
SupporterMuch like Vern, just keeping the lt230.
ForumSage
Landrover is just a customer, the engine specs belong to Isuzu alone.
Isuzu wanted an engine to push their 4 ton trucks along at 3000rpm with acceptable performance for 500,000+km between rebuilds and the 4BD1T was developed to do just that. When LR came knocking they sold them the same engine.
Isuzu however fitted an injection pump that can deliver just over 2.5x the stock fuelling amount just by turning screws.
The numbers I mentioned earlier are not in any way the limits of performance.
Last edited by Mick_Marsh; 24th November 2014 at 09:01 PM. Reason: Removed quote at OP's request
ForumSage
There are no dyno's anywhere close to me.
I can however calculate out power and torque at individual points using roads of known slopes, vehicle weight and speed attained.
2,500kg
800m altitude
6.75 degree slope
4th gear
80km/h.
Comes to 78kW at the ground at 2000rpm. Allow 35% drivetrain loss and you're at 560Nm crank.
The only graphs I can produce are acceleration based smart-phone plots. They read higher than the above because they weren't done at 800m altitude.
This one below reads low for power because the vehicle weight wasn't set in the program. I also had a blocked wastegate while I was playing with hybrid turbos and some other poxy things restricting air-flow:
Average power across the whole run is ~60kw.
This is where I believe it's at presently. I've turned fuel down a bit (20:1 A/F) because I've got a broken piston ring and transfer case issues (not related to performance mods).
I had a video somewhere of a 2nd gear acceleration run from stopped to redline. Can't find it now.
Last edited by Mick_Marsh; 24th November 2014 at 09:00 PM. Reason: Removed quote at OP's request
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