Thread: 4BE1 Info

Hi Steve,

I would explore with your engineer the option of a 4BD1T + oxy-cat and DPF (could get them from an isuzu truck or a disco 4 wreck). And closed crankcase vent e.g. Provent.

I have emissions data for a 4BD1T and can give you calculated emissions after fitting the above...

(it would of course be easy to remove later... ).

Originally Posted by isuzurover

Hi Steve,

I would explore with your engineer the option of a 4BD1T + oxy-cat and DPF (could get them from an isuzu truck or a disco 4 wreck). And closed crankcase vent e.g. Provent.

I have emissions data for a 4BD1T and can give you calculated emissions after fitting the above...

(it would of course be easy to remove later... ).

Thanks - that's definitely an option I hadn't thought of
I don't have much understanding of this emissions stuff, but I wouldn't have thought that a clean running 4BD1T would be any "dirtier" than a 300tdi.
Would the emissions data you have for the 4BD1T show that anyway?
Are you thinking the oxy-cat and DPF would show that its definitely within a particular emission limit, or more a case of its OK anyway but the extra bits and even lower emissions might be enough to convince him to run with it.

Steve

So Steve, did he say you could run the 4bd1t in up to a 95 model?

Originally Posted by Vern

So Steve, did he say you could run the 4bd1t in up to a 95 model?

Not explicitly - but then I hadn't asked that exact question.
Emissions-wise the change from ADR30/00 to 7/00 happened in 95 - so shouldn't be a drama in a pre-95 vehicle from what I can work out. His comments were based around there being no simple evidence to support the 4BD1T complying with 7/00 as it was never in a 95 onward Australian vehicle.
He did say that was just an initial observation and he hadn't done any fine detailed research.

Wishing I'd picked up the ex-African 200tdi 130 chassis when I had the chance a while back - but now have to find a solution for a '98 model

Steve

Put a section in a 110 chassis and stretch it out to 130?

Steve

I have a factory 4BD1T in a 98 build date/99 compliance date ex TDi Defender 110 all engineered and approved in QLD - the engine was bilt in 92. I was told at the time (since confrimed) that there would be no problem fittin a late 4BD1T to a Defender up to circa 2001. The big change to emission regs took place in about 2003 if I remember rightly.

FWIW

C H T

Originally Posted by steveG

Thanks - that's definitely an option I hadn't thought of
I don't have much understanding of this emissions stuff, but I wouldn't have thought that a clean running 4BD1T would be any "dirtier" than a 300tdi.
Would the emissions data you have for the 4BD1T show that anyway?
Are you thinking the oxy-cat and DPF would show that its definitely within a particular emission limit, or more a case of its OK anyway but the extra bits and even lower emissions might be enough to convince him to run with it.

Steve

Hi Steve,

I would have to check through the regs and my data, however:

I am not up on the AU standards (except that they aligned with the Euro standards around 2000(?)-on).

Oxy-cats are diesel cats designed to reduce NOx to NO2 (Unlike petrol cats which are designed to oxidise CO to CO2 and VOCs to CO2 and H2O). They were fitted from around Euro 3. DPFs were fitted sporadically at Euro 4, however most manufacturers realised they could meet Euro 4 by other means. Euro 5/6 was the written with a particle number limit to force manufacturers to fit DPFs. However Australia is gradually phasing in Euro 5/6 for passenger vehicles between now and 2018.

The chinese manufacturers of 4BD1T copies state they comply with Euro II AFAIK.

I don't know about the AU standard, but the Euro standards are emissions/km for light vehicles (tested on a standard drive cycle) but grams/kWh for heavy vehicles.

You could get the engine tested to see if it complies, however that would likely be $$$. It may be easier to see if fitting Euro 4+ emissions gear (as above) will satisfy the engineer.

Originally Posted by C H T

Steve

I have a factory 4BD1T in a 98 build date/99 compliance date ex TDi Defender 110 all engineered and approved in QLD - the engine was bilt in 92. I was told at the time (since confrimed) that there would be no problem fittin a late 4BD1T to a Defender up to circa 2001. The big change to emission regs took place in about 2003 if I remember rightly.

FWIW

C H T

Thanks - that's encouraging.
I've been told from other sources that the 4BD1T is certifiable up until the early 2000's but until now hadn't come across an actual case of it being done.
I'm not sure what the engineering paperwork is like in QLD, but down here its a big wad of pages with pretty explicit statements to justify compliance. If your paperwork has anything like that on it I'm really keen to hear how its been justified.

Steve