Petrol to AFN ETDi

[ninja.turtle007]

C&P 4.86 second hand = £200
C&P 4.57 second hand =

£200 .... em that aint expensive ..!! Have you seen Jager's site

You right £200 isn't expensive but £1250 is!

[jed the spread]

C&P 4.86 second hand = £200
C&P 4.57 second hand =

£200 .... em that aint expensive ..!! Have you seen Jager's site

You right £200 isn't expensive but £1250 is!

Did you have any luck with the lead I put you onto Tom?

jed

[lloydy]

£1250!!!!!! jeez i hope you find one cheaper than that

[ninja.turtle007]

i`d have thought the 4.57 cwp would be a bit long on 1st and g with big tyres anyway tom.

I'm seriously considering going 4.86 now. The slightly lower G and 1st would be nice. Probably going with .73 4th and 3rd to match.

[ninja.turtle007]

No response yet Jed.

[ninja.turtle007]

Decided on 4.86 with .73 4th and 3rd to suit and a rebuild on the front diff. Comes in at a similar or (hopefully) less than sticking with 4.57. Plus if it goes breasticles up in the future a rebuild will be much less.

Will be getting 70MPH at 2950RPM. I pretty sure the westy has enough power to deal with this. Slightly lower 1st and G will be a bonus.

Mario has done most of the fettling so as long as the gears arrive from America (currently out of stock)in time I won't have to cancel our June trip to Scotland.

I have got say Aidan has be excellent. The box arrived at lunchtime last Thursday and he had it stripped and diagnosed by tea time. Very good advice and he has a wealth of knowledge. Of course those of you that have used him will know this already. Thanks Aidan.

[syncropaddy]

Will be getting 70MPH at 2950RPM.

What tyre size are you running? What gearbox have you got?

Im running a standard box but changed the final drive and get a very satisfactory 100 kms/hr at 3100 rpm or there abouts. There is a drawback in that there is a big gap between the gears which changing an FD gives.

[..lee..]

28.5" most likely that gearing should be good for long flatland touring. I ve got the same gearing. But with 29.75" tyres. Very long geared.

I think 70mph @ 3100ish is a good allrounder

[ninja.turtle007]

Will be getting 70MPH at 2950RPM.

What tyre size are you running? What gearbox have you got?

Im running a standard box but changed the final drive and get a very satisfactory 100 kms/hr at 3100 rpm or there abouts. There is a drawback in that there is a big gap between the gears which changing an FD gives.

It will now be 4.86 with 1.14 3rd (need to check with Aidan) and .73 4th running 225 70 16's.

I shouldn't really be having any issues with the gaps because the amount of torque I have.

What did you change your FD from/too?

My JX is 5.83 with standard gears and 195 80 15 but I really don't think it would drive nicely with anything longer.

[syncropaddy]

My box is a standard JX box running a 4.86 diff on 225/70/15 tyres and according to the spreadsheet I use Im clocking 64 @ 3000 rpm. ( I underestimated it in the last post ) Its a total struggle on a long motorway hill but Aidan built it that way for me in prep for an AAZ/AHU/1Z/AFN but I go to Mammutpark with no real issues even with a roof tent !!

With your JX setup with the 195/80 tyres you should be pulling 53 mph @ 3000 rpm and on standard 185/14 tyres you should pull 50 mph @ 3000 rpm.
Im interested to know what ratios / tyres you are running to get 70 mph @ 2950 RPM. I know you have a lot of torque available but will it be enough to shove a two ton shed along

[ninja.turtle007]

My box is a standard JX box running a 4.86 diff on 225/70/15 tyres and according to the spreadsheet I use Im clocking 64 @ 3000 rpm. ( I underestimated it in the last post ) Its a total struggle on a long motorway hill but Aidan built it that way for me in prep for an AAZ/AHU/1Z/AFN but I go to Mammutpark with no real issues even with a roof tent !!

With your JX setup with the 195/80 tyres you should be pulling 53 mph @ 3000 rpm and on standard 185/14 tyres you should pull 50 mph @ 3000 rpm.
Im interested to know what ratios / tyres you are running to get 70 mph @ 2950 RPM. I know you have a lot of torque available but will it be enough to shove a two ton shed along

You are about right with the calculations on my JX gear/tyres combo. My JX also has a GTD pump which was fitted by previous owner. I sit at 55 MPH which is about 3k RPM.

After driving the TDi for a week and then going back to the JX , the difference is absolutely massive in terms of power. Whilst the TDi is away I have been using the JX as my daily again. It is smoother and quieter and I have got used to the much lower power again. I must admit I do love driving a standard caravelle with a JX. It was always a superior drive over the Westy MV combo.

Going from petrol to diesel in the westy means it lacks sound proofing. Although not an issue in the cab area it is noisy in the rear. With most engine/road noise permeating from the rear floor area. The engine protection is yet to be fitted which I hope will reduce this and I will be adding sound proofing when it returns.

My ratios and tyre combo are in the previous post. Most of our driving is done at speed on a Friday evening getting to places like north Devon, Wales etc. and the same on return on the Sunday. So we need an over drive 4th. If I lived in Wales or a similar hilly area I wouldn't have gone for such long gears.

I would imagine you change down quite and over rev quite a lot with the combo you have. Although I have never driven an AAZ from what I have heard they aren't much better than a JX. If you are running a 4.86 with TD 4th (.78) that is a long gear. I would have thought a AHU/AFN would be the best option.

[jed the spread]

Its interesting that you find the AFN noisy as I can honestly say you hardly hear the engine inside mine when driving along. You can easily have a conversation with people sat in the back while bobbing along though like you say yours was a petrol and that must make a difference. I also have the late exhaust but I dont know if that makes much of a difference, but you can hear the turbo quite alot but I like that

We should have a go in each others one of these days as I am keen to see what its like with the bigger injectors compared to standard set up.

jed

[syncropaddy]

I would imagine you change down quite and over rev quite a lot with the combo you have. Although I have never driven an AAZ from what I have heard they aren't much better than a JX. If you are running a 4.86 with TD 4th (.78) that is a long gear. I would have thought a AHU/AFN would be the best option.

I dont over rev as I never let it go out of the green area but there are occasions I have to stir it up a bit. Even with the roof tent up on top I managed 30 mpg cruising at 100 km/hr plus. As soon as I have the shed finished Ill put the AAZ in and see how much difference it makes. A GTD pump on a JX wont make a whole lot of difference IMHO as you need to match the GTD injectors and inter cooler as a package

[lloydy]

I've just brimmed the fuel tank (got 62L in) so i'll let you know what MPG it manages when i get back from the long weekend. Will be heavily loaded, 4 people plus all the gear, plus a wind break of a roof rack......

[ninja.turtle007]

Pick mine up tomorrow. Looking forward to getting away too.