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Model specific boards => Golf mk2 => Topic started by: Horney on 26 January 2005, 11:37

Title: How do I tell the difference between a K Jet and a Digi?
Post by: Horney on 26 January 2005, 11:37: Going to look at an E reg tonight and I'm not sure how to tell the difference. I had a digi about 5 years ago, but for the life of me can't remember what it looked like under the bonnet. Too many nights on the source since then.

Cheers folks,

Horney
Title: Re: How do I tell the difference between a K Jet and a Digi?
Post by: Gambit on 26 January 2005, 12:25: k-jet will have fuel lines coming out of the airflow meter which sits on top of the airbox. digi wont

also i think all digi's have 1-piece side window glass whereas k-jets have the small quarter lights
Title: Re: How do I tell the difference between a K Jet and a Digi?
Post by: Horney on 26 January 2005, 12:26: Nice one Gambit :smiley:

Which is actaully better or is there little difference between the two?

Cheers,

Horney
Title: Re: How do I tell the difference between a K Jet and a Digi?
Post by: Alexg40 on 26 January 2005, 12:30: I assume that it is possible for the K Jet to have the 1 peice side windows though. :wink:
Title: Re: How do I tell the difference between a K Jet and a Digi?
Post by: carloscdt on 30 January 2005, 11:24: My E-Reg Digi has a 2 piece side window (aug 97)
and L'H drive Windwipers
Title: Re: How do I tell the difference between a K Jet and a Digi?
Post by: Rain on 30 January 2005, 11:53: Quote from: Horney on 26 January 2005, 12:26
Nice one Gambit :smiley:

Which is actaully better or is there little difference between the two?

Cheers,

Horney

very little differnt might hear people mention digi lag as it takes like an extra 1/2 second to make its mind up about accelarating and K-jet's have a smoother pickup think this is all down to the ecu not sure what a K-jet has but the digi has one behind the plastic cover under the windscreen drivers side this controls fuel and air mixture etc i might be wrong but i think k-jets dont rely on an ecu for this which is where this lag comes from.

all in all the differnce is really the look and way the engine is managed and little else there both just as fast, i think gambit said it best air box has fuel lines coming from the top of it and digi have an oblong box with tube going into the side of it and little much else mine actually says Digi on the log book but the engine numbers should start with PB or PF i think
Title: Re: How do I tell the difference between a K Jet and a Digi?
Post by: Dizzie on 30 January 2005, 12:13: and you can't put a cone air filter on a k-jet either.

I was under the impression that all k-jets had the mirrors halfway down the door unless the doors have been changed like mine. and the wipers went the 'wrong' way on the k-jets.
Title: Re: How do I tell the difference between a K Jet and a Digi?
Post by: Alexg40 on 01 February 2005, 22:46: Well, mine has the fuel lines on the airbox and the mirrors where they should be. But maybe thats what you get for having an 1989 car.
Title: Re: How do I tell the difference between a K Jet and a Digi?
Post by: Dizzie on 02 February 2005, 08:09: how to tell the difference?

one will lag :wink: :wink:
Title: Re: How do I tell the difference between a K Jet and a Digi?
Post by: Gambit on 02 February 2005, 09:26: Quote from: Dizzie on 30 January 2005, 12:13
and you can't put a cone air filter on a k-jet either.

yes you can. PiperX make an induction kit for k-jets which replaces the base of the airbox with an adapter plate with a big foam induction kit on it
Title: Re: How do I tell the difference between a K Jet and a Digi?
Post by: Horney on 02 February 2005, 10:03: Well I bought it (see my sig) and it's a digifant. Goes like a bloody rocket! All I have to do is resist the temptation to start modding as it's supposed to be my daily driver. Not doing too well so far as a light Eyebrow has just arrived at work, off to the local autofactor at lunch to get some paint. Anyone know what colour that white is?
Title: Re: How do I tell the difference between a K Jet and a Digi?
Post by: Gambit on 02 February 2005, 12:46: alpine white - code L90E
Title: Re: How do I tell the difference between a K Jet and a Digi?
Post by: Horney on 02 February 2005, 12:59: Gambit you are a gentleman and a scholar, thanks very much.
Title: Re: How do I tell the difference between a K Jet and a Digi?
Post by: Volkswagavin on 02 February 2005, 13:43: The differences between digifant and K-jet....

The 8v golf changed from K-jet to digifant in 88, on the E plate (I think). K-jet is mechanical fuel injection, whereas Digifant2 is fully-electronic injection. Digifant suffers from a flat-spot just above idle which we know as Digilag, but the ECU can be reprogrammed to correct this. K-jet doesn't suffer from the same problem but you can't alter the ignition timing with k-jet, sometimes causing problems with fuel below 98ron (ie normal unleaded).

There is a marginal performance difference between the two systems, the K-jet being quicker to 60mph.

The digifant has a reprogrammable ECU so you can remove and replace chips to improve performance and remove digilag.

To look at, as already said, there are a fair few pipes coming out of the top of the airbox on the k-jet. There is little point putting an induction kit on the k-jet, it often upsets the system.

The mk2 golf changed from having 2-piece door windows to one piece during 88, so some cars have them, some don't.

I'd go for the digi 8v, although the k-jet 16v is in a different league entirely.

I reserve the right to be slightly wrong!
Title: Re: How do I tell the difference between a K Jet and a Digi?
Post by: Horney on 02 February 2005, 13:56: Ok so now you have me confused and I'm not sure what I actually have! it's E reg and was first registered in 87! So it could be a K-Jet. It has two little hoses coming out of the side of the airbox if this helps anyone work out what it is!

Cheers,
Title: Re: How do I tell the difference between a K Jet and a Digi?
Post by: Horney on 02 February 2005, 14:13: RIght I've just bought a haynes manual and the pic on page 1.7 shows an "Injected engine" This has LOADS of pipes coming out of the airbox unlike mine. So I'm guissing I have a digifant.
Title: Re: How do I tell the difference between a K Jet and a Digi?
Post by: Gambit on 02 February 2005, 14:58: yes you have a digi. there is a bout 8 pipes coming out of top of the airbox on a kjet

<Question for all!> just outta curiosity. do all Digi's run the later electrics. i.e. is the hazard switch on the steering column shroud???
Title: Re: How do I tell the difference between a K Jet and a Digi?
Post by: Horney on 02 February 2005, 15:11: No, cause mine has the hazards on the dash switch!
Title: Re: How do I tell the difference between a K Jet and a Digi?
Post by: Alexg40 on 02 February 2005, 22:26: Just to add to the confusion. Mine is an 89 with what you are describing as K-Jet. This doesn't tie in with the above. :shocked:
Title: Re: How do I tell the difference between a K Jet and a Digi?
Post by: free on 03 February 2005, 04:10: a digi
(http://img.photobucket.com/albums/v326/paulfree/000_0076.jpg)

A K-JET
(http://img.photobucket.com/albums/v326/paulfree/kjet.jpg)
Can you tell wich 1 belongs to may mate, n wich is out of a show car :evil:

these are 8v's,,,,,,,16v's only came in k-jet
Title: Re: How do I tell the difference between a K Jet and a Digi?
Post by: free on 03 February 2005, 04:24: Quote from: Gambit on 02 February 2005, 14:58
yes you have a digi. there is a bout 8 pipes coming out of top of the airbox on a kjet

<Question for all!> just outta curiosity. do all Digi's run the later electrics. i.e. is the hazard switch on the steering column shroud???

i think so gam, frm round G-reg on
Title: Re: How do I tell the difference between a K Jet and a Digi?
Post by: Dizzie on 03 February 2005, 13:31: the k-jet will have braided hoses coming off the top of the air box. the digi's airbox should be clear of anything. you can't put a cone filter on the k-jet, but you can get a foam lower section which can aid airflow. the digi also has a fuel rail unlike the k-jet.
Title: Re: How do I tell the difference between a K Jet and a Digi?
Post by: Gambit on 03 February 2005, 16:37: maybe we should have a topic is my car a digi or a kjet. then users post a pic and we'll tell them - and that'll clear it up once n for all!!
Title: Re: How do I tell the difference between a K Jet and a Digi?
Post by: Alexg40 on 03 February 2005, 18:01: Quote
these are 8v's,,,,,,,16v's only came in k-jet

:wink:

quite a key point wouldn't you agree.
Title: Re: How do I tell the difference between a K Jet and a Digi?
Post by: ...joe on 03 February 2005, 20:52: mine is a digifant but is a strange crossover one which has the hazard switch on the dash but other than fuse box is late spec.

Quote from: Alexg40 on 03 February 2005, 18:01
Quote
these are 8v's,,,,,,,16v's only came in k-jet

:wink:

quite a key point wouldn't you agree.

yeah i guess it is!!!!
Title: Re: How do I tell the difference between a K Jet and a Digi?
Post by: Alexg40 on 05 February 2005, 00:06: Love this:

(http://www.golfgtiforum.co.uk/gallery/albums/userpics/18820/summer%20_03%20small.jpg)

By the way. :cool:
Title: Re: How do I tell the difference between a K Jet and a Digi?
Post by: ...joe on 06 February 2005, 21:43: my car? cool thanks alot!!! its gone through a few changes since then and i'm getting a bit bored of the flush tailgate now. but cheers!!