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Author Topic: DCOE choke size  (Read 3097 times)
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jus
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Posts: 120



« on: 20 July, 2020, 08:09:14 PM »

Just cleaning the DCOE 45s on the Fulvia (only had it a week or so), and noticed that one of the chokes is 32mm, and the other three are 34mm. I'm assuming that it's a mistake - and that they should all be equal? Is there any reason why this might be intentional?
Thanks for any info.
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1969 S1 Fulvia 1.6
1971 Ex-works Fulvia 1.6
1975 Gr4 Stratos HF
1982 Beta Spyder
1982 037 Rally

Recently passed: 1986 Delta S4
Long since passed: Delta HF Turbo ie, Delta HF Turbo (carb), Delta 1500.
lancialulu
Press Officer
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« Reply #1 on: 20 July, 2020, 09:13:02 PM »

36 works great on correctly jetted 45 DHLA’s I have on my Fulvia 1600... The std solex 42 had 34 chokes.
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Its not the winning but taking part! or is it taking apart?
Lancias:
1955 Aurelia B12
1967 Fulvia 1.3HFR
1972 Fulvia 1600HF
1972 Fulvia Sport 1600
1983 HPE VX
1988 Delta 1.6GTie
1998 Zeta 21.  12v
Charles Frodsham
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« Reply #2 on: 21 July, 2020, 11:56:53 AM »

I’m no expert, but it doesn’t sound right to me. When I bought my car, it had an odd size trumpet, which was duly rectified, so it can happen!

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jus
Senior Member
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Posts: 120



« Reply #3 on: 22 July, 2020, 08:10:51 AM »

I've got some 36mm chokes coming and 2 refurb kits. Can anyone recommend a good cleaning product for the inside and outside of the carb bodies? A brass wire brush seemed to clean up the outside pretty well, and a blast of carb cleaner moves some grime, but they could look better. I don't really want to have them vapor blasted - they go a bit pale and look porous.
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1969 S1 Fulvia 1.6
1971 Ex-works Fulvia 1.6
1975 Gr4 Stratos HF
1982 Beta Spyder
1982 037 Rally

Recently passed: 1986 Delta S4
Long since passed: Delta HF Turbo ie, Delta HF Turbo (carb), Delta 1500.
Jay
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Posts: 422



« Reply #4 on: 22 July, 2020, 12:15:18 PM »

I used a friends ultrasonic bath and cleaner some years ago which worked really well, although it was quite a large one 
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Julian Wood, Kingston, London
Neil
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« Reply #5 on: 22 July, 2020, 04:54:53 PM »

Use an ultrasonic cleaner with some correct carb cleaning solution added to the water, you will be amazed what comes out of them and they look a whole lot better too.
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Neil   
386

1973 Fulvia S2 1.3
angelorange
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« Reply #6 on: 06 September, 2020, 09:50:03 AM »

Fulvia likes bigger than "normal" chokes cf inline engined cars. However, unique cranked over v4 layout means unequal length inlet tracts which have room for experimentation. This might be such as with inlet trumpet sizing v torque required.

Really need a rolling road to get best out of these carbs.
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I'm entitled to my ignorance!
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