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running rich terrible efficiency -please jelp.

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jjwebb123 Wolfsburg Wizard

617 posts · joined Aug 2009 ·

#860754
Hi There.
lately when i start my 70 bug up ,she blows out alot of fumes and smell alot of fuel.when i fuel up ,she has also been using alot more fuel than normal.I seem to think that the carby is running extremely rich.Would anyone be able to point me in the right directions as to how to reduce mixture on carb?


Thanks in advance.
jas.
"A car for the people, an affordable Volkswagen, would bring great joy to the masses and the problems of building such a car must be faced with courage."
Adolf Hitler At opening of 1934 Berlin Auto Show

Joel Now containing 100\% E-Wang

9,368 posts · joined Feb 2006 ·

#860757
Make sure the choke is getting power and isn't stuck and is fully open after about 5 mins of running.

If there's no power to the choke it will stay shut unless it's jammed open

jjwebb123 Wolfsburg Wizard

617 posts · joined Aug 2009 ·

#860784
thanks for the reply joel.
Nah mate chokes all good.Running fine like it should be.
not sure.im just sick of people getting fumed out when i take off,
bit embarrassing.😀 plus i fuel up on Monday,up to half a tank,,now its just Wednesday and i
have just under a 1/4 of a tank.SUKS..never used to be this bad.i had ago a while back at
tuning the air fuel mixture,so i think maybe a set it too rich.woops.
"A car for the people, an affordable Volkswagen, would bring great joy to the masses and the problems of building such a car must be faced with courage."
Adolf Hitler At opening of 1934 Berlin Auto Show

jjwebb123 Wolfsburg Wizard

617 posts · joined Aug 2009 ·

#860894
today!!! more trouble.severe back firing and missing.Left her at home today.
looks like i will be working on my car this weekend.🙁
"A car for the people, an affordable Volkswagen, would bring great joy to the masses and the problems of building such a car must be faced with courage."
Adolf Hitler At opening of 1934 Berlin Auto Show

bajachris88 The international telephone dialing code for Antarctica is 6

6,661 posts · joined Apr 2005 ·

#860895
be aware that when turning the small air fuel mixture screw (if its 34 pict)... its an air bypass screw. such that ccw (winding it out) doesn't actually make it rich, it leans it out! and cw (winding in) makes it richer.

Course not relevant if stock 1600 with 31 pict.
(ô_!_/ô) (ô_!_/ô)
69' baja: kombi box, thing spindles, irs, disc front, type 3 rear drums, 2 inch lift kit, 31x10 rears. 👍
New engine in process: 94mm p&bs, 74mm C/w chomol Crank, 35.5x39 SP heads, turbo. Wierd combo, hopeful torque monsta!

68AutoBug Beetle Restorer - Experience over 138\% - YIKES --

11,654 posts · joined Aug 2002 ·

#860899
jjwebb123 wrote:Hi There.
lately when i start my 70 bug up ,she blows out alot of fumes and smell alot of fuel.when i fuel up ,she has also been using alot more fuel than normal.I seem to think that the carby is running extremely rich.Would anyone be able to point me in the right directions as to how to reduce mixture on carb?


Thanks in advance.
jas.
any chance of a pic of Your carby Jas

check out ; http://www.vw-resource.com/
and check out tuning Your carburetor...

also check for fuel leaks...

mixture is supposed to be done with the engine hot...

My beetle always smells of petrol around the engine when I park it in My carport
no leaks... and goes fine..

LEE
- Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY---

jjwebb123 Wolfsburg Wizard

617 posts · joined Aug 2009 ·

#860925
sorry no pics atm,need to upload to photobucket.
the carby is a brand new soloex 30/31 pict carb.
"A car for the people, an affordable Volkswagen, would bring great joy to the masses and the problems of building such a car must be faced with courage."
Adolf Hitler At opening of 1934 Berlin Auto Show

jjwebb123 Wolfsburg Wizard

617 posts · joined Aug 2009 ·

#860926
an old mate of mine,said to wind it all the way in and then screw it out 1 and a half turns.
not sure if this is correct?
"A car for the people, an affordable Volkswagen, would bring great joy to the masses and the problems of building such a car must be faced with courage."
Adolf Hitler At opening of 1934 Berlin Auto Show

Bizarre Moderator The artist formerly known as blue74l

12,789 posts · joined Aug 2002 ·

#860934
That is a starting point - not a finish

Read the Rob & Dave site
Futue te ipsum!!!