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abcdleines
Samba Member
Joined: August 31, 2004
Posts: 32
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 Posted: Sat Oct 13, 2018 11:23 am Post subject: 1776 rebuilt problem |
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| Having trouble with 1&2 cylinders. Compression is over 120 all around. Carbs smell and look like there getting gas. Running Weber dual 44’s that were rejetted for the 1776cc. Carbs rebuilt when rejetted. Plugs are clean with no oil trace. Plug wires tested good too. A lot of smoke when start and the muffler exit on that side is spitting black oil, not thick oil, very runny. Idle screw on that carb doesn’t seem to work either. 44’s to big even though they were rejetted? Also 3&4 side gets up to temp and hot to touch where as 1&2 are cool to touch. With all the trouble I have had restoring this Thing, fells like it just doesn’t want to be on the road again, fights me all the time! Hope this forum can help. If another carb set up is better which one do you all recommend?Thanks. |
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HMVWNAB
Samba Member
Joined: September 23, 2006
Posts: 1085
Location: Sunshine State
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| Posted: Sun Oct 14, 2018 8:53 am Post subject: Re: 1776 rebuilt problem |
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Probably better responses in the Performance/Engine/Transmission Forum.
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kenj06
Samba Member
Joined: November 28, 2011
Posts: 198
Location: Ohio
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| Posted: Sun Oct 14, 2018 7:14 pm Post subject: Re: 1776 rebuilt problem |
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| Sounds like 1/2 may be running rich. The 'black oil' may be carbon from running overly rich but usually your plugs would show that. Running rich would also cause it to be cooler that 3/4. |
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Glenn 
Mr. 010
Joined: December 25, 2001
Posts: 76911
Location: Sneaking up behind you
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| Posted: Sun Oct 14, 2018 7:22 pm Post subject: Re: 1776 rebuilt problem |
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| HMVWNAB wrote: |
| Probably better responses in the Performance/Engine/Transmission Forum. |
Moved...
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Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
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Danwvw
Samba Member
Joined: July 31, 2012
Posts: 8892
Location: Oregon Coast
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| Posted: Sun Oct 14, 2018 7:36 pm Post subject: Re: 1776 rebuilt problem |
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I doubt Dual 44's will work on a 1776cc engine? What size are the venturi?
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Pruneman99
Samba Member
Joined: February 22, 2012
Posts: 5013
Location: Oceanside
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| Posted: Sun Oct 14, 2018 7:50 pm Post subject: Re: 1776 rebuilt problem |
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| If this is a new engine ditch the 44's for now. Get a single carb and get the break in done. |
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vugbug68
Samba Member
Joined: June 25, 2006
Posts: 2696
Location: sacramento
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| Posted: Sun Oct 14, 2018 8:53 pm Post subject: Re: 1776 rebuilt problem |
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| Danwvw wrote: |
| I doubt Dual 44's will work on a 1776cc engine? What size are the venturi? |
I daily drove a 1776 with dual 44's with 36 vents for a while, It was a great engine, super smooth and would rev to 6k
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Dauz
Samba Member
Joined: January 05, 2010
Posts: 1790
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| Posted: Sun Oct 14, 2018 8:54 pm Post subject: Re: 1776 rebuilt problem |
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| I had 44s on a 1776. After the hassle to get it right, I wouldn't do it again. 40s would be good. |
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mikedjames
Samba Member
Joined: July 02, 2012
Posts: 2736
Location: Hamble, Hampshire, UK
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| Posted: Mon Oct 15, 2018 10:09 am Post subject: Re: 1776 rebuilt problem |
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Check the usual. Look to see if its dribbling fuel out of the carbs on 1/2 side because of fuel metering needle leaking and pouring gas from the the float chamber into the manifold..
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Engine 1: 40k miles (rocker shaft clip fell off), Engine 2: 30k miles (rebuild, dropped valve). Engine 3: a JK Preservation Parts "new" engine, aluminium case: 26k miles: new top end.
Gearbox rebuild 2021 by Bears.
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