Syncro specific engine alternatives

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Re: Syncro specific engine alternatives

Postby rollercoaster » 24 Jan 2018, 23:04

Dont hate TDi at all, and as long as its reliable and economical thats fine.
Be happy to try an AFM in the new camper that I havent got yet..

Agree with Neil tho that the 1.8T 20v is a very interesting option,
and cheap if prepared to DIY, with a choice of versions.
Yet to explore its LPG potential, which the Subaru lacked.
(Subarus notoriously dislike gas)

Neil (Axeman) has also tried the others and is moving towards the 1.8T
There are a growing number of converts.

I am prepared to pay someone to make a good job of it in good time,
and Russel has the experience, its looking like his job.
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Re: Syncro specific engine alternatives

Postby footstuck » 24 Jan 2018, 23:59

A fair point
silverbullet wrote:I would rather replace my petrol clutch every year, than have a TDi destroying the transaxle every two... ;)

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I have been running a Syncro TDi for 9 years+

Aidan rebuilt my knackered gearbox about 12 months in.
I have since had a further rebuild due to a bearing collapse (if memory serves) and that was about 3 years back and the box is fine.
So, on a fresh build from our man i have had one failure. That was due to a bearing failure, and i used the Doka for work daily as a builder for most of that time fetching and carrying not just for my self.
The box is now installed in my Caravelle and is without fault.
I recon from Aidan's initial build the box has covered 80,000miles+ and if petrol engines are returning 25MPG and my tdi returns a minimum of 30MPG That gives s fuel saving of £2,500-£3000.00
Lets say for arguments sake that the TDI DID Kill the box, and it was not due to continual heavy towing loads Higher milage and having all four wheels locked and spinning on inclines when playing off road.
So what actually are your fuel returns? so we can have a better understanding of what the cost advantages are for running a diesel if any, because i may have under estimated the economy of petrol engines.
And wether or not the fuel saving covers the expense of a Box rebuild??
Also, what is the life expectancy of clutches on a petrol Doka used hard for work because i have never changed mine and only smelt it getting hot once when recovering another truck
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Re: Syncro specific engine alternatives

Postby silverbullet » 25 Jan 2018, 16:23

Chain. Pulled.

:D

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Re: Syncro specific engine alternatives

Postby 4x4 Bus » 25 Jan 2018, 19:17

Just to clarify on a few points mentioned further back about TDI engines. AFN engine were not the last VE engines( external injectors and pumps) when the PD engines were introduced they ran side by side with engines like the AHF and ALH that used the same block as the PD but the same tipe of injection setup and the earlier AFN engines. These like all VW TDI's are direct injection diesels.
These later engines ( AHF etc) are a better desighned engine than the earlier AFN, AHU, 1Z etc but don't fit the JX sump. In my own syncro's I use a AHF and fit it upright.
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Re: Syncro specific engine alternatives

Postby silverbullet » 26 Jan 2018, 08:37

Nick I can see your wry grin and hear your sarcastic tones as you wrote that! :D

You know that Fabz gets 32 mpg from his MV engined 16" Westy/Carthago on a run?
That bus seems to deliver in all situations.
Maybe economy is more about the driver ;)

My first DG rebuild would return 26mpg on a run and on oversize AT's but... it had no torque as a result. On 14" it was quite perky.

The bottom line is that its like comparing Stilton to Edam to Brie. All prime movers do the same job, but in quite different ways.

Comparing a used engine conversion to a fresh full rebuild is also impossible and unreasonable.

(Apart from possibly the AGG and similar engines which have proven to develop more power at 100k+ than when new, because they were nicely run in and loosened up by then!)

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Re: Syncro specific engine alternatives

Postby footstuck » 29 Jan 2018, 01:21

Hi to all fellow oil burners , and the Nay sayers :D
Ian, fancy a van swap to see if you can make my van do less than 28mpg . . . around town?
I'll borrow the charged van when she Blows :wink:
4x4 Bus
There is absolutely no doubting the superiority of the PD
As for block types, the sputter bearings, Higher flow Valves, block and piston strengthening, is what i was referring to as the final refinements of the 1.9 TDi before the PD block design change.
But interesting point about the 'Rotary pumped PD block crossover engines' which i had forgotten about.
For me at least, if you cant just change the oil pickup, and slap a JX sump on it the job gets bigger/ more expensive.
If i was going to be keeping my DOKA the upright nature of the engine fitment would not be an issue, and I would consider the PD to be the next engine upgrade, unless the petrol boys come up with good regular fuel returns??
I already have a conversion back plate on the shelf.
The trouble is that the 1Z engine is in brilliant condition, and i don't do engine changes for the sake of it.
Is there is a height/departure angle clearance issue with the up right PD install in vans?
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Re: Syncro specific engine alternatives

Postby silverbullet » 29 Jan 2018, 08:06

You drive a diesel because you have to, I'll drive a petrol because I want to...

;)

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Re: Syncro specific engine alternatives

Postby footstuck » 29 Jan 2018, 08:34

On the subject of watery fuel, I have nothing against the use petrol engins in the right circumstances, I just can’t think of what they might be.
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Re: Syncro specific engine alternatives

Postby footstuck » 29 Jan 2018, 08:52

Ah yes I remember, chain saws.
Just joking of course it’s motorcycles
But my favourite watery fuel is nitromethane, now that’s a composition of merit.
That’s not suitable for a ‘Brick’ either.
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Re: Syncro specific engine alternatives

Postby rollercoaster » 13 Dec 2018, 00:23

And the result is in...
1.8t in the DOKA thanks to Russel.
Perfect!
Thoughtful, professional, attentive to detail.
Very reasonable and a masterfullworker.
Just wish he lived next door!
Good distance for a test drive tho,
Edinburgh to Falmouth, easy.
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Re: Syncro specific engine alternatives

Postby silverbullet » 13 Dec 2018, 10:10

Let's see it then!

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Re: Syncro specific engine alternatives

Postby clift_d » 13 Dec 2018, 10:58

Pics or it didn't happen.
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Re: Syncro specific engine alternatives

Postby DSM » 13 Dec 2018, 11:19

Good choice but then I'm biased.You show me yours and I'll show you mine. Ooh err missus :oops:
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Re: Syncro specific engine alternatives

Postby rollercoaster » 14 Dec 2018, 17:55

I havent been doing pics since the bucking system crash,
very upsetting.
Never seen Russel post pictures on here either..
probably have to wait for Syncropendence then.
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Re: Syncro specific engine alternatives

Postby rollercoaster » 18 Jan 2019, 17:37

Thought to follow up with how its going,
you know, all the problems and breakdowns

...none.

Nice, is that too subtle... NICE!

Coming up to having paid 2 or 3 thousand on fuel now,
sorry I dont really look at the miles travelled,
just estimating the pounds flowing into the tank..

Its been really busy in all kinds of terrain, long distances and short.
Notably towing, heavy towing, so full train weight (at least)
and mostly long distance, say non stop 200 miles.
On some hills (A roads) it needs to drop down into second gear,
the upside of that is I could still pull 50mph in second!
I dont though as half throttle is generally ok for driving.
Dropping to 3rd means speed down to 65/70,
not too sure of these numbers as the wheels are 16inch so its a bit off.
Top gear on the level is lets say, fast enough.

I love the spread of torque, pull away in second gently,
or even stay generally in third most of the time why not.

Complaints?
The usual, passengers complain that it feels a bit racy.
Just travelling at normal passenger car speeds..
This DOKA does handle really nicely, and stops fine too,
Big disks on the front, all new drums and bits on the back,
and the BMW servo is just right.

Whats next for improving it?
I might try a longer exhaust, and a bit quieter.
Its not too bad but I am mindful of horses,
and it does do the occasional pop out of the tailpipe,
very fashionable it seems among faster young drivers,
and it does feel a bit exciting, but you cant switch it off.
Russel says its having a short pipe.
Tuning, apparently is very easy, so might experiment.
Gas, seems sensible, and would have saved me a fair bit already.

Economy,
about £80 for 200 miles, at full train weight.

Thats it.
So not much to report really.
No news is good news for me, when it comes to mechanicals.

This is how I like it, in the cab, driving.

Its not a low mileage engine, and I can see me racking up a lot more,
so I may look into reconditioning the motor at some point too.
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