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#1 Matched pair DHLA 40 Dellortos (vic)
D Posted on: 2010/5/20 13:03
Just taken off a 2 litre Alfa Romeo 1986 model
and apart from a light clean up are in good condition
no shaft play or anything missing.
Alfa 2 litre 4 was making about 140hp
$300 registered posted anywhere in Australia for $20
Total inc, postage $320.
Location: Victoria

My carbs are marked DHLA40L - European spec not the Aussie spec DHLA40F

Therefore the jets specs are:
Idle jet 57, main jet 148, emulsion tube 7772.11, idle corrector 210.

None of the late carbs are pollution carbs or really Emission carbs as there is only a solenoid to control the idle more accurately and there isnt even an EGR system
on Alfas apart from a carbon canister.
The late Dellortos do not have numbered idle jet holders, as the air bleed hole is directly drilled in the carb turret which still leaves the possibility of adjusting the fuel idle jet.

The dellorto DHLA40L are the only ones used for the turbo spec blow through setup used on the Alfa Giulietta Turbodelta which had a 2000cc engine, they only made 361 cars between 82-85. So they are well built units and the jets are plentiful still.

They just need some carby clean with a toothbrush and presto.

Attach file:



jpg  dhlas.JPG (149.58 KB)
737_4bf524d91916b.jpg 695X383 px


#2 Re: Matched pair DHLA 40 Dellortos (vic)
D Posted on: 2010/5/21 2:47
bump


#3 Re: Matched pair DHLA 40 Dellortos (vic)
D Posted on: 2010/5/21 4:28
bump

If I clean them they will come up like new but will ask another $30
as i cant be stuffed also buying a lube to keep them corrosion free
and giving up my old tooth brushes for other than cleaning my grans
fake teeth.


#4 Re: Matched pair DHLA 40 Dellortos (vic)
levey Posted on: 2010/5/21 10:58
Still for sale? WTF?
They are a bargain, better than webers bang for buck!


#5 Re: Matched pair DHLA 40 Dellortos (vic)
D Posted on: 2010/5/21 15:06
Better than Webers as chosen by Alfa for their last carbed rustbuckets :)


#6 Re: Matched pair DHLA 40 Dellortos (vic)
Granddad Posted on: 2010/5/21 21:52
Hi mate are the Dellortos still available, I'm going to fit a A15 into my 1200 would these carbs be suitable once cleaned and re-jetted?


#7 Re: Matched pair DHLA 40 Dellortos (vic)
D Posted on: 2010/5/22 0:15
Yes and even if not cleaned and re-jetted they will suit your needs.
Aesthetically some carb cleaner through them will come up like new
and rid any fuel gunk all the screw and nuts are still gold galvanised
as these where the last year they where used in the mid 80s.
Although Alfa sourced the carbs from Dellorto the engines where final assembled by
Southern Italians in warmer climates with laid back attitudes so everything leaked
from everywhere preserving the engine bay and its contents from rusting :)


#8 Re: Matched pair DHLA 40 Dellortos (vic)
clyons8 Posted on: 2010/5/22 0:27
Ha! Self preserving AND self lubricating!

Gylezy's uncle has one of the GTVs(??) with the isolated gearbox, interesting stuff. If these damn Mikunis don;t start behaving(sob, sob) I might just buy these.


#9 Re: Matched pair DHLA 40 Dellortos (vic)
D Posted on: 2010/5/22 1:53
They will Chris just hope your bores dont glaze with overfuelling.
Thats what happened to the intermidiate owner of my vb10.
Id say there is time for a bike mechanic if you can cruise to one?

I was at the Datsun performance centre 6 years ago and saw a
cosworth 16v lump from yesteryear that made 190hp at 95000rpm, The valves
where only 28mm inlets and 24 exhaust, similar to bike engines and
the carbs where just 40mm dellortos. The rod stroke ratio was very
high and due to the nature of the bike like setup; induction, port and
valve sizing was rather small but work in these rpm ranges well.
The mikunis/kehins are rather small but designed for high rpm air velocity
so require a good tuner to get them for auto rpm range and architecture.


#10 Re: Matched pair DHLA 40 Dellortos (vic)
D Posted on: 2010/5/22 5:27
bump



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