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Author Topic: Dellortos  (Read 1682 times)
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Derek Creasy
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Posts: 67


Here's to sunnier days


« on: 01 February, 2023, 10:48:32 AM »

I have just acquired a pair of 35 Dellortos for my 1.3 Sport . Does anyone know the standard jet sizes please so that I can check when I strip them .
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2000HF Coupe          1972
Fulvia Sport  1.3S     1968
Delta 3 2.0 Limited   2012
nistri
Megaposter
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Posts: 545


« Reply #1 on: 01 February, 2023, 11:02:29 AM »

Well done, a very wise purchase. Note that there were 2 types of 35mm Dellortos for Fulvia: one for saloon and one for coupe (and sport). If you are lucky, the carbs should still wear a metal tag with their identification number. However, the tag is often missing. The coupe has a 112 max jet while the saloon has 108. Moreover, the coupe type has 31 venturi diffusor while the saloon has 29. Please note that all these carbs have needle valves with a fine rubber tip: this is to ensure highly accurate function on the float, but the tip can wear down thus giving carburetion problems. Check that in your carbs the tip is sharp. Balancing them needs a flow meter and vacuum meters. Andrea
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Andrea Nistri

Ardea S2
Appia S2
Fulvia GTE
Fulvia Sport 1.3 S
Fulvia Montecarlo
Fulvia Coupe 1.3 S
lancialulu
Press Officer
Permanent resident
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Posts: 4977



« Reply #2 on: 01 February, 2023, 11:06:06 AM »

DHLB 35's?

Should be jetted for Fulvia.

Choke 31
Emulsion/idle 8178.1
Main 112
Idle 45
Emulsion/main 7772.4
Float height 13-13.5mm

Tim
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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
Richard Fridd
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« Reply #3 on: 01 February, 2023, 12:13:43 PM »

I have a vacuum meter if you need it. Could use two at once I suppose.

  Richard
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Richard Nevison Fridd                                                                      Happy Lancia, Happy Life
Derek Creasy
Member
****
Posts: 67


Here's to sunnier days


« Reply #4 on: 01 February, 2023, 06:05:18 PM »

Well done, a very wise purchase. Note that there were 2 types of 35mm Dellortos for Fulvia: one for saloon and one for coupe (and sport). If you are lucky, the carbs should still wear a metal tag with their identification number. However, the tag is often missing. The coupe has a 112 max jet while the saloon has 108. Moreover, the coupe type has 31 venturi diffusor while the saloon has 29. Please note that all these carbs have needle valves with a fine rubber tip: this is to ensure highly accurate function on the float, but the tip can wear down thus giving carburetion problems. Check that in your carbs the tip is sharp. Balancing them needs a flow meter and vacuum meters. Andrea

Thanks for your swift reply Andrea .  They do indeed retain the tag and it reads   R5217P  which I hope you can identify ? I will definitely check the needle valves when I strip them tomorrow.
Logged

2000HF Coupe          1972
Fulvia Sport  1.3S     1968
Delta 3 2.0 Limited   2012
Derek Creasy
Member
****
Posts: 67


Here's to sunnier days


« Reply #5 on: 01 February, 2023, 06:10:58 PM »

DHLB 35's?

Should be jetted for Fulvia.

Choke 31
Emulsion/idle 8178.1
Main 112
Idle 45
Emulsion/main 7772.4
Float height 13-13.5mm

Tim
Thanks Tim , yes DHLB 35's with a tag reading R5217P . I am going to strip them tomorrow .
Logged

2000HF Coupe          1972
Fulvia Sport  1.3S     1968
Delta 3 2.0 Limited   2012
Derek Creasy
Member
****
Posts: 67


Here's to sunnier days


« Reply #6 on: 01 February, 2023, 06:13:42 PM »

I have a vacuum meter if you need it. Could use two at once I suppose.

  Thanks Richard , I do have one but 2 might be handy
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2000HF Coupe          1972
Fulvia Sport  1.3S     1968
Delta 3 2.0 Limited   2012
nistri
Megaposter
*
Posts: 545


« Reply #7 on: 01 February, 2023, 07:47:32 PM »

Hi Derek,
the number quoted by you (R5217P) indeed indicates a coupe set of Dellortos. P stands for rear carb, ie near the ignition coil. I am sure you will enjoy the superior quality of the Dellortos if correctly set up. Andrea
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Andrea Nistri

Ardea S2
Appia S2
Fulvia GTE
Fulvia Sport 1.3 S
Fulvia Montecarlo
Fulvia Coupe 1.3 S
lancialulu
Press Officer
Permanent resident
*****
Posts: 4977



« Reply #8 on: 01 February, 2023, 09:59:15 PM »

I have a vacuum meter if you need it. Could use two at once I suppose.

  Thanks Richard , I do have one but 2 might be handy
how about 4!
Logged

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
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