Weber 40mm Dcoes on A15

Need a new Datsun? or some parts to help your project?
fattydattypopo
Newbie
Posts: 20
Joined: Sat Dec 19, 2009 6:18 pm
Location: dunedin
Contact:

Weber 40mm Dcoes on A15

Post by fattydattypopo »

Anyone know what size jets and venturies to start with for two weber dcoes on an a15 :deadhorse:
Bartman
Committee Members
Posts: 7303
Joined: Sat Jul 19, 2008 9:04 am
Location: Datsun City
Location: Christchurch New Zealand!!!!
Contact:

Re: Weber 40mm Dcoes on A15

Post by Bartman »

Dattodevil would be the man to talk to. He seems to have the dubious honor of being our resident sidedraft guru. No doubt he'll chime in if he can help.
I did once see a book which gave some baseline jettings and air bleed sizes for a given engine size.
They don't call me the man with the rubber arm for nothing you know.............
fattydattypopo
Newbie
Posts: 20
Joined: Sat Dec 19, 2009 6:18 pm
Location: dunedin
Contact:

Re: Weber 40mm Dcoes on A15

Post by fattydattypopo »

That would be Pat Bradens book, awesome book, wish i read that before i purchased the Webers, saw his little guesstimation to chose jets but the outcome in the book was a bit off his guestimate,
User avatar
Dattodevil
Datsun Addict
Posts: 1189
Joined: Sat Jul 19, 2008 8:36 am
aka: Damo
Location: Christchurch, New Zealand
Location: Datsun City
Contact:

Re: Weber 40mm Dcoes on A15

Post by Dattodevil »

it depends on your engine, everything can influence what jets/venturis you need.
fattydattypopo
Newbie
Posts: 20
Joined: Sat Dec 19, 2009 6:18 pm
Location: dunedin
Contact:

Re: Weber 40mm Dcoes on A15

Post by fattydattypopo »

Was looking at a mild cam and electronic distributor, not looking at anything to grunty, just to get a bit more out of a15, hills are pretty steep in dunedin.
the dcoes i have now have 32mm venturies, aux venturie 4.50, emulsion tube f9, main jet 1.30, air-corrector 2.00, Idle-jet f8, Pump-jet 0.35, and needle-valve 1.50, Setup for a 1779cc Alfa 1750
would these venturies be far too big?
fattydattypopo
Newbie
Posts: 20
Joined: Sat Dec 19, 2009 6:18 pm
Location: dunedin
Contact:

Re: Weber 40mm Dcoes on A15

Post by fattydattypopo »

Shit sorry just noticed ive posted this in car parts wanted, computer illiterate.
User avatar
Dattodevil
Datsun Addict
Posts: 1189
Joined: Sat Jul 19, 2008 8:36 am
aka: Damo
Location: Christchurch, New Zealand
Location: Datsun City
Contact:

Re: Weber 40mm Dcoes on A15

Post by Dattodevil »

32 would be too big for a mild cam
fattydattypopo
Newbie
Posts: 20
Joined: Sat Dec 19, 2009 6:18 pm
Location: dunedin
Contact:

Re: Weber 40mm Dcoes on A15

Post by fattydattypopo »

would you recommend 28's for fast road setup
User avatar
Dattodevil
Datsun Addict
Posts: 1189
Joined: Sat Jul 19, 2008 8:36 am
aka: Damo
Location: Christchurch, New Zealand
Location: Datsun City
Contact:

Re: Weber 40mm Dcoes on A15

Post by Dattodevil »

Yes, the smaller the venturis the better (to a point)
fattydattypopo
Newbie
Posts: 20
Joined: Sat Dec 19, 2009 6:18 pm
Location: dunedin
Contact:

Re: Weber 40mm Dcoes on A15

Post by fattydattypopo »

Awesome, do you know who stocks weber jets and venturies,
Post Reply