Thanks Tony, do you mean this box will be noisy or because of where the mounts are it'll be noisy? Even with the old 230 motor we were shouting so bring it on!
The Jeep came to me with a 4sp cruiser box and transfer. My first thought was great, I'll just bolt the motor to this and that would save a lot of mounting issues. I also believe them to be pretty tough.
I've since been warned from a few people that they won't last long due to the harsh way diesels deliver power. This took me by surprise, we've all seen these boxes flogged by worked v8s!
I've got the Isuzu box already and it is obviously made to take the punishment and it sounds like a bit of extra work now will pay off.
Wanna buy a cruiser box?

O yeah, that series 1 sounds awsome! You still got it?
When I started researching diesels I found lots of people doing 6.2/6.5chev diesel conversions. But when I searched for info about these motors I found heaps of people having troubles. They're not cheap either and not cheap to fix. It made me suspect its good money making for the shops putting them in and fixing them. So I asked around what is the 202 holden equivalent in diesel motors? The answer was usually something Isuzu. Good strong motors, cheaper to buy, cheaper to fix and parts all over Oz.

Yeah I've heard Dana 20's are good too. This Jeep has been patched and repaired many times and at some stage converted to cruiser box and transfer
It has a chrysler 6 or v8 bellhousing made by Dellow to adapt to the original motor. At first I was surprised they didn't just change the motor to Toyota as well, but the Jeep 230 Tornado is a pearler. 1963 overhead cam, WAY ahead of its time.

Sounds like you may have a HJ45 bell housing and the rest may be a mystery but I think likely HJ 45 of earlier.. If hj 47 or 60 will have taped holes under the main box for X member mounts. The transfer if different anyway.
As tough as Toyota can be it wont hold that 6BD1 for ever in that heavy American Tank you have there. I would imagine you will turbo it in time as well

Don't be offended as I do like early Jeeps and Inters Anything with a Dana is tough

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:Strange Rovers Down Under 4BD1T 120" 110 /3 Rangies:/ 3 series 1's/ 2 series 2's/2 series 3 88's/2
series 3 109's and a heap of rice burners

Your right! It's a 5 speed
The other day I looked on the side of the gearbox and read 6 gears.
It's got 6 alright, 5 forward, 1 reverse. So no overdrive for me.
So that means use the diff ratios to lower the revs right?
Any suggestions?
The Jeep is pretty heavy and will be used to tow a 20-25 foot caravan.
When I can I'll look at the Isuzu diff ratio.
Thanks for sharing your knowledge.

Still have the 318 Series 1... Now a mess from rats etc Was a mud racer in its good days
Your choice of a 6BD1 is sound given what you are pushing around there. The Jeep looks heavy in the pic.... There is a long wheel base 63 jeep near here that is very original and registered. See it twice a week these days.

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:Strange Rovers Down Under 4BD1T 120" 110 /3 Rangies:/ 3 series 1's/ 2 series 2's/2 series 3 88's/2
series 3 109's and a heap of rice burners

Yep, what a great motor. Good on fuel, and quite torquey for such a smallish motor. It would have to be one of the first OHC motors used in a 4x4.
Just not a diesel and not enough GO

What Ratio Dana diffs do you have? (I'm not up to speed with early jeep)What size tyres you intend to run on this thing?

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:Strange Rovers Down Under 4BD1T 120" 110 /3 Rangies:/ 3 series 1's/ 2 series 2's/2 series 3 88's/2
series 3 109's and a heap of rice burners

Oh well, still a better option than the toyota box, and might still have an OD top gear. Is there a model # stamped anywhere???

When I was a kid in short pants, Dad had a '67 Wagoneer (CKD assembled in Brisbane) with the Tornado in it.
When that engine was released it had the best BSFC of any US made engine, was the first production OHC engine out of the US, and possibly the first production engine with 'tufftride' nitrocarburised journal bearing surfaces.
Mine was a '70 with the AMC engine in it.


The 'stock' ratio in those diffs used to be 4.27:1 in the Gladiators, and 4.09:1 in the Wagoneer.
What rear diff ? Mine used to have a D60 with a Rockwell Standard (I think) front axle. (2WD) I later put a closed knuckle D44 out of a J2000 under it.
Original gearbox would have been a T98A with something like a 6.3:1 first gear, basically a three speed with a crawler first.

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