View single post by Esprit2
 Posted: 10-28-2005 04:52 am
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Esprit2

 

Joined: 05-01-2005
Location: Minneapolis, Minnesota USA
Posts: 575
Status: 
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 Spec 5 is about right if you are running a near stock 907 with DHLA45's.
Front ............................ E907E0789F
Rear ............................. E907E0790W
Tag Number
Front ............................ 5295A
Rear ............................. 5294P
Carb Type .................... DHLA 45E
Choke .......................... 36 mm
Main Jet ....................... 160
Main Air Corrector Jet ... 230
Main Emulsion Tube ...... 7772-8
Idle Jet .......................... 50 (Too lean! Try 55-58 range)
Idle Jet Holder ............... 7850-7
Float Weight ................. 10 gr
Float Setting Height ...... 16.5 - 17.0 mm
Float Needle Valve ........ 170
Pump Jet ....................... 38V 42H
Starter Jet ..................... 70
Starter Emulsion Tube ... 7482-1
Power Jet ....................... ---
Slow Running Speed ..... 900 - 1000 rpm
Idle CO Level (hot) ........ 2.0 - 3.0%


Spec 9 is about right if you have a mildly warmed up 2.2 liter.
9.5:1 or 10:1 compression, up to 104 cams, headers.
Carb Type ..................... DHLA 45E
Choke ........................... 37 mm
Main Jet ........................ 160
Main Air Corrector Jet ... 230
Main Emulsion Tube ...... 7772-8
Idle Jet ......................... 55 (maybe a little lean, try up to 58)
Idle Jet Holder .............. 7850-9
Float Weight ................. 8.5 gr
Float Setting Height ..... 14.5 - 15.0 mm
Float Needle Valve ....... 170
Pump Jet ...................... 50H
Starter Jet .................... 95
Starter Emulsion Tube    7482-3
Power Jet ...................... ---
Slow Running Speed ..... 900 - 1000 rpm
Idle CO Level (hot) ....... 0.7 - 1.5%

 

Jensen Healey... 8.4:1, C-cam, 2.0 liter.
Carb Type ....................... DHLA 40E
Choke ............................. 35 mm
Main Jet .......................... 130
Main Air Corrector Jet ..... 160
Main Emulsion Tube ........ 7772-5
Idle Jet ........................... 52L (56L on 4-speed)
Idle Jet Holder ................ 7850-5 (aka, Slow Running Air Jet)
Float Weight ................... 8.5 gr
Float Setting Height ....... 16.5 - 17.0 mm
Float Needle Valve ......... 170
Pump Jet ......................... 45
Starter Jet ....................... 70
Starter Emulsion Tube ..... 7482-1
Power Jet ........................ 70
Needle Valve ................... 7180-15
Slow Running Speed ....... 950 - 1000 rpm
Idle CO Level (5-spd) ...... 0.2 - 0.3%
Idle CO Level (4-spd) ...... 1.2 - 2.0%



Default Dellorto Factory setting
Carb Type ..................... DHLA 45E
Choke ........................... ---
Main Jet ........................ 165
Main Air Corrector Jet ... 170
Main Emulsion Tube ...... 7772-6
Idle Jet .......................... 50
Idle Jet Holder .............. 7850-1
Float Weight ................. 10 gr
Float Setting Height ...... 16.5 - 17.0 mm
Float Needle Valve ........ 170
Pump Jet ....................... 33
Starter Jet ..................... 70
Starter Emulsion Tube .. 7482-1
Power Jet .......................... ---


Idle Jet Holders (Idle Air Corrector Jets).....
Weaker ................................. Normal ........................ Richer
7850.5,     .10,     .9,     .4,     .1,     .3,     .6,     .7,     .2,     .8
Idle Jet Holders in common useage
7850.1,     7850.6,     7850.2,     7850.8

Regards,

Tim