1.9 DG to 2.1 DJ upgrade worth it?

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1_eyed_jim
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1.9 DG to 2.1 DJ upgrade worth it?

Post by 1_eyed_jim »

Hello

I am in the final stages of buying a 2.1 DJ engine to replace my 1.9 DG. The 2.1 is injection and the 1.9 is carb. I've decided to do this because after a recent trip to France I would like a bit more power up the mountain passes :D

I am going to see a real difference here? I've heard the 2.1 DJ injection is as good as it gets whilst keeping the engine stock. Will the 2.1 be ok running on LPG? The new engine will be coming with everything I need including flywheel clutch exhaust ECU etc etc.

Thanks
Davvy - White Hightop 1986 2.1 DJ

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Re: 1.9 DG to 2.1 DJ upgrade worth it?

Post by ghost123uk »

For a short while I owned a twin slider Caravelle with that set up. It was very noticeably more powerful than the DG Tin-Top we own (our DG motor is in good nick by the way). It was very smooth too and seemed quite happy cruising at 80mph. The only downside I see is that if it plays up, the injection system is more complicated than a carb. I am told that the injection system is pretty reliable generally though.

It will be fine on LPG but obviously the LPG system will need changing to suit the injectors instead of a carb. Usually a job for Gasure or Campershack.
Got a new van, but it's a 165bhp T4 [shock horror] Accurate LPG Station map here

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Re: 1.9 DG to 2.1 DJ upgrade worth it?

Post by bobby-gg »

yeah, I'd say go for it :ok

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1_eyed_jim
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Re: 1.9 DG to 2.1 DJ upgrade worth it?

Post by 1_eyed_jim »

bobby-gg wrote:yeah, I'd say go for it :ok


Haha thanks Rob (the seller) :rofl
Davvy - White Hightop 1986 2.1 DJ

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Re: 1.9 DG to 2.1 DJ upgrade worth it?

Post by 1_eyed_jim »

ghost123uk wrote:For a short while I owned a twin slider Caravelle with that set up. It was very noticeably more powerful than the DG Tin-Top we own (our DG motor is in good nick by the way). It was very smooth too and seemed quite happy cruising at 80mph. The only downside I see is that if it plays up, the injection system is more complicated than a carb. I am told that the injection system is pretty reliable generally though.

It will be fine on LPG but obviously the LPG system will need changing to suit the injectors instead of a carb. Usually a job for Gasure or Campershack.

Thanks for the reply. Cannot wait to get it fitted now and on the road enjoying this weirdly warm spring we are having!
Davvy - White Hightop 1986 2.1 DJ

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Re: 1.9 DG to 2.1 DJ upgrade worth it?

Post by weimarbus »

if you are worried about the injection system then fit the carb and manifold from your dg engine complete with your existing lpg set up it will work well, lots on here have done just that :ok
1985 hi-top 2.1MV with DG carb and LPG
1955 trials buggy with 1.9 DG high lift cam and twin dell's (now sold)
1972 1303 beetle
1992 Audi 100 2.8 quattro estate
1967 Vw  Madison kit

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Re: 1.9 DG to 2.1 DJ upgrade worth it?

Post by toomanytoys »

Yeah.. you can install the "2.1" under all your DG ancillaries.. works very well.. not quite the top end of the DJ, but loads more low and mid range grunt..
Got one in my velle and in the Syncro..

Bare in mind that 20 odd year old injection system WILL need some refurbishment.. and also, the injected engine have a different fuel tank (swirlpot pick up.., bigger outlet) and electric fuel pump..

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Re: 1.9 DG to 2.1 DJ upgrade worth it?

Post by ELVIS »

toomanytoys wrote:Yeah.. you can install the "2.1" under all your DG ancillaries.. works very well.. not quite the top end of the DJ, but loads more low and mid range grunt..
Got one in my velle and in the Syncro..

Bare in mind that 20 odd year old injection system WILL need some refurbishment.. and also, the injected engine have a different fuel tank (swirlpot pick up.., bigger outlet) and electric fuel pump..


Do you need to rejet the carb chap?

Know someone with a stuffed 1.9 and is looking at a 2.1, any help appreciated :ok

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Re: 1.9 DG to 2.1 DJ upgrade worth it?

Post by kevtherev »

No rejetting needed.
The DJ is just a longstroke DG.
AGG 2.0L 8V. (Golf GTi MkIII)

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Re: 1.9 DG to 2.1 DJ upgrade worth it?

Post by ELVIS »

cheers kev :ok

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Re: 1.9 DG to 2.1 DJ upgrade worth it?

Post by ermie571 »

Can vouch x4 for the 2.1 sitting on the 1.9 anciliaries running LPG!


Em
xx
2.1 DJ 1990 Caravelle (died and gone to heaven)
2.0 AGG (1997 ish) 1984 transporter LPG

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Re: 1.9 DG to 2.1 DJ upgrade worth it?

Post by shepster »

Same here,

Running 2.1 on carb, and Lpg for around 4 yrs.
2.1 DJ running on carb and LPG.

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