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v68dub
Samba Member
Joined: December 20, 2011
Posts: 200
Location: Bellflower
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 Posted: Mon Jul 30, 2012 6:02 pm Post subject: Weber 40/44? Help asap! |
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Hey there, Just picked up a set of what I thought were Weber 40's for my stock 1600, with new linkage, air filters, stacks, and manifolds for $100 bucks. But when I brought them home i read the casting on the bottom and it reads 44 idf 38 3k. That would lead me to believe these are actually 44s right? I measure the throats of each carb and they measure 44mm.
My question is with 44s I know I will have to change out the jets and Venturis. What size would you go with and how do I measure the venturis that are in there now? I measured them the same way as the carbs and it measured over 40mm. I tore down the carbs, and took all the jets out needles, float, etc. It's got F11 emulsion tubes,155 mains from what I can see, 52 idles I think? I just need a point in the right direction. I know a shop near me that carrys hundreds of jets that can hook me up. i just want a ball park setting for my needs.
1600 Dual port, pertronix everything, header, glasspack. |
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66brm
Samba Member
Joined: January 25, 2010
Posts: 3676
Location: Perth Western Australia
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| Posted: Mon Jul 30, 2012 6:07 pm Post subject: |
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You would be better off trying to find someone that has a set of 40's that wants 44's and trade, they are just too big for a stocker
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Aust. RHD 66 Type 1
Aust. RHD 57 Type 1 Oval
| modok wrote: |
| I am an expert at fitting things in holes, been doing it a long time |
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v68dub
Samba Member
Joined: December 20, 2011
Posts: 200
Location: Bellflower
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| Posted: Mon Jul 30, 2012 6:14 pm Post subject: |
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| Are they just too much carb regardless? I figured I only spent $100 for the purchase, I'll spend 28 on each carb for a rebuild, plus some parts cleaner, 70 bucks for 28 mm venturis, and about 30 bucks on re jetting. Will they just guzzle up gas even if they are re jetted? |
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baked beetle
Samba Member
Joined: September 23, 2006
Posts: 1162
Location: Alberta, Canada
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| Posted: Mon Jul 30, 2012 6:15 pm Post subject: |
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sell them for $500 and buy some 40's for $400 and spend the rest on jets 
If your actually going to bolt them on I want to see a video
yes , too much carb regardless
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These days people like me are hard to find- we don't give a damn what you think, about what we think. - JR
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66' His
57' Theirs
63' Hers
62' Drag Bug - Theirs 13.1 @ 101 mph (GONE) |
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v68dub
Samba Member
Joined: December 20, 2011
Posts: 200
Location: Bellflower
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| Posted: Mon Jul 30, 2012 6:24 pm Post subject: |
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| That sucks. I was hoping they would work out. I don't want to deal with drivability issues as she's my daily driver otherwise I'd try em out just because. Looks like it's back to the drawing board. I'll probably just clean them up real nice and sell em for a couple hundred. |
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slingblade
Samba Member
Joined: December 18, 2009
Posts: 107
Location: conyers ga.
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| Posted: Mon Jul 30, 2012 6:27 pm Post subject: |
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just try them first and see,,the jets sound close enough to work,,smaller venturis will speed up the air through the butterfles to compensate for the larger cfm,,
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you had better brace yourself for whats on the other side,,evel knevil |
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66brm
Samba Member
Joined: January 25, 2010
Posts: 3676
Location: Perth Western Australia
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| Posted: Mon Jul 30, 2012 6:29 pm Post subject: |
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| slingblade wrote: |
| just try them first and see,,the jets sound close enough to work,,smaller venturis will speed up the air through the butterfles to compensate for the larger cfm,, |
_________________
Aust. RHD 66 Type 1
Aust. RHD 57 Type 1 Oval
| modok wrote: |
| I am an expert at fitting things in holes, been doing it a long time |
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v68dub
Samba Member
Joined: December 20, 2011
Posts: 200
Location: Bellflower
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| Posted: Mon Jul 30, 2012 6:31 pm Post subject: |
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| Lol ^ I still need clarification on the venturi sizes though. I see on CB performance the venturis only go up to 38mm. So I must be measuring the venturis wrong. The 44 IDF's came stock with 32mm right? |
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slingblade
Samba Member
Joined: December 18, 2009
Posts: 107
Location: conyers ga.
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| Posted: Mon Jul 30, 2012 6:32 pm Post subject: |
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im running 45 dels with virtually no venturi on a 1776 with a 4061 bugpack cam,,light porting on otherwise stock 041 heads with double springs and it runs great,,good idle and smooth through the rpms to 6000,,oh and i hemi cut the heads and contoured the chambers for max cc to run it on 87 octane and it isnt running hot or pinging,,
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you had better brace yourself for whats on the other side,,evel knevil |
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Dougy Dee
Samba Member
Joined: August 21, 2004
Posts: 1669
Location: Niagara Region, CANADA
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| Posted: Mon Jul 30, 2012 7:35 pm Post subject: |
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| v68dub wrote: |
| Lol ^ I still need clarification on the venturi sizes though. I see on CB performance the venturis only go up to 38mm. So I must be measuring the venturis wrong. The 44 IDF's came stock with 32mm right? |
44's came with 36mm venturi's |
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v68dub
Samba Member
Joined: December 20, 2011
Posts: 200
Location: Bellflower
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| Posted: Mon Jul 30, 2012 7:48 pm Post subject: |
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| Cool thank you. Since no one else is saying use em ill be on the look out for one 40s. |
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rodgersbadassbus64
Samba Member
Joined: January 24, 2009
Posts: 418
Location: Ortonville, Minnesota
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| Posted: Mon Jul 30, 2012 10:26 pm Post subject: i have fortys |
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| I have fortys that are good and rebuilt, what is the overall condidtion of your 44s? My new motor could use more fuel.... I could be interested in a trade. |
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v68dub
Samba Member
Joined: December 20, 2011
Posts: 200
Location: Bellflower
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| Posted: Tue Jul 31, 2012 7:22 am Post subject: |
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| Im sending you a pm |
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