 Carb Bellcrank Equation |
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| damnfiknow |
 Dec 28 2010, 09:12 PM
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Member  Group: Members Posts: 77 Joined: 25-October 09 From: Texas Member No.: 10,980 Region Association: None  |
Someone, please, the equation for determining the diameter of a bellcrank to be used on a Weber 40 setup. Standard 914 accelerator cable length/throw (full close/full open) and standard Weber 40 butterfly. Also, anyone know of a source for such a bellcrank? Hope not to have to farbricate one myself. No lathe so will have to be with an electric drill for turning power. Extremely primitive.
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| porschetub |
Sep 13 2019, 11:24 PM
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Advanced Member Group: Members Posts: 4,817 Joined: 25-July 15 From: New Zealand Member No.: 18,995 Region Association: None |
Currently out of necessity building one from a chinese copy set up ,has no roller bearings in the bellcrack,and came with cup joints as per carbed VW/Porsche 911.
I have replaced the cup joints with mini CB Performance rose joints and set the geometry and it really works well and its so simple but you need to setup right IMO easier than a crossbar and less parts to wear. Frankly McMark put me on to this and when you play with them you see why as compared to crossbar ,cheers man. My CB Performance crossbar is up for sale no question,take it the way you want but bellcrank setup works. [attachmentid=712046 Attached thumbnail(s) 
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Posts in this topic
damnfiknow Carb Bellcrank Equation Dec 28 2010, 09:12 PM
McMark The absolute best bellcrank I've seen is this ... Dec 28 2010, 09:17 PM
mrbubblehead
The absolute best bellcrank I've seen is this... Dec 28 2010, 11:15 PM ConeDodger
The absolute best bellcrank I've seen is this... Dec 29 2010, 02:34 PM
anderssj
The absolute best bellcrank I've seen is this... Dec 29 2010, 02:43 PM biosurfer1 I have the one Mark pointed out and I like it. It... Dec 28 2010, 10:01 PM McMark I sure do! Dec 29 2010, 01:10 PM jeffdon
I sure do!
So in this setup, it appears tha... Dec 29 2010, 01:15 PM mrbubblehead
[quote name='McMark' post='1411156' date='Dec 29 ... Dec 29 2010, 02:23 PM SirAndy My carbs are absolutly identical, which means the ... Dec 29 2010, 02:24 PM mrbubblehead
[quote name='McMark' post='1411156' date='Dec 29 ... Dec 29 2010, 02:39 PM mrbubblehead
I sure do!
do you think this is a better se... Dec 29 2010, 01:32 PM kg6dxn
I sure do!
do you think this is a better s... Dec 29 2010, 02:16 PM porschetub
I sure do!
do you think this is a better s... Sep 13 2019, 01:22 AM Cevan Let me see if I can remember how I did mine. If I... Dec 29 2010, 03:03 PM McMark
I have a hunch that it does not pull equally on b... Dec 29 2010, 03:49 PM azbill Take a look at the Sidewinder bell crank designed ... Dec 29 2010, 05:57 PM 914werke @mcmark In the example pic you provided it appear... Sep 12 2019, 05:21 PM johnhora Source for the CSP Mark mentioned...
https://www2... Sep 12 2019, 09:53 PM porschetub
Source for the CSP Mark mentioned...
https://www... Sep 13 2019, 01:29 AM Tbrown4x4
[quote name='johnhora' post='2746671' date='Sep 1... Sep 13 2019, 03:02 AM Chi-town Type 4 with pancake fan I believe is the applicati... Sep 13 2019, 09:20 AM 914werke I bought Mark's bracket and took the cable up... Sep 13 2019, 09:52 AM euro911 Wow, old thread.
I used the CSP bell crank linkag... Sep 13 2019, 10:54 AM Tbrown4x4
I bought Mark's bracket and took the cable u... Sep 13 2019, 05:28 PM bbrock
@[url=http://www.914world.com/bbs2/index.php?sh... Sep 13 2019, 06:15 PM Tbrown4x4 Yes, 4 inches overall. That left a nice radius fol... Sep 13 2019, 07:53 PM porschetub Speedworks (?) have one but its a front mount that... Sep 14 2019, 11:26 PM |
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