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no top end??

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kombibob AKA: Volkswagen Type 2 Transporter Van Robert

1,698 posts · joined May 2004 ·

#199614
hi all i have a 1800 in my kombi and have just replaced my dcn webber carbs for standard solex's as the dcn's were thursty and hard to keep tuned
i just had the solex's rebuilt by ian at carb tech at redcliff
now my kombi runs smother down low but has no top end cant even do 90kpm we have up sized the jets 4 sizes helped but not by much
any ideas???
1961 swb buggy
1960 karmann ghia
1963 Single Cab: "El Concreto"
1963 bent 23 window " Frieda Samba "
1963 Eriba Faun camper " Cara Van daCamp"
2012 Skoda Octavia scout

Get down low and go,go,go

Bizarre Moderator The artist formerly known as blue74l

12,785 posts · joined Aug 2002 ·

#199647
Are you getting full throttle opening???
Futue te ipsum!!!

kombibob AKA: Volkswagen Type 2 Transporter Van Robert

1,698 posts · joined May 2004 ·

#199650
yep getting full throttle ,but when i depress the accelerater pedal past half way i get nothing??
1961 swb buggy
1960 karmann ghia
1963 Single Cab: "El Concreto"
1963 bent 23 window " Frieda Samba "
1963 Eriba Faun camper " Cara Van daCamp"
2012 Skoda Octavia scout

Get down low and go,go,go

jakjones Officially Full-On Dubber

217 posts · joined Mar 2004 ·

#199665
air fuel ratio is ?

Bizarre Moderator The artist formerly known as blue74l

12,785 posts · joined Aug 2002 ·

#199672
You are getting a squirt of juice from the accelerator pump???

Is it an auto or manual??
Futue te ipsum!!!

kombibob AKA: Volkswagen Type 2 Transporter Van Robert

1,698 posts · joined May 2004 ·

#199677
not sure air 2 fuel ratio ian from carb tech did the carbs up and tuned them with main jets 4 sizes up from standard and still seams very lean up top
pipe is very sooty after short drives on hwy 2
the webbers did the opposite ran quite rich up top??
its a manual

[Edited on 6-7-2004 by kombibob]
1961 swb buggy
1960 karmann ghia
1963 Single Cab: "El Concreto"
1963 bent 23 window " Frieda Samba "
1963 Eriba Faun camper " Cara Van daCamp"
2012 Skoda Octavia scout

Get down low and go,go,go

VWCOOL 23 Windows of Awesome

5,158 posts · joined Jun 2003 ·

#199869
well if your pipe is sooty then it is not lean ! Sounds more like your drowning it.
Pay your debts, CxxT

kombikim disfunctionally capable

1,521 posts · joined Dec 2002 ·

#199878
I agree, far too much fuel at top end can give same symptoms as not enough , it is quite possible that the air correction jets are too small, they should have been enlarged as well, max for the main jet should be about 137
Please, I need drivers side window regulator (winder mechanism) for my '54