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-   Weber Tuning (http://www.clubcobra.com/forums/weber-tuning/)
-   -   Webers..... (http://www.clubcobra.com/forums/weber-tuning/115394-webers.html)

*13* 05-11-2012 06:18 AM
Sounds like you're headed in the right direction

Gaz64 05-12-2012 02:57 PM
Quote:
Originally Posted by TonyLoz (Post 1189713)
I finally got out to my garage last night wth my float gauges from Gene Berg. All four carbs where set quite high. What a difference... The idle changed from about 900 RPM to 1300 RPM and the engine behaved very well around town. Now I have stumbles at higher RPM. I starts to act up around 3500 RPM and seems to carry on up to 5000 RPM where I shift. Its a new motor so I havent been running it up to 6000RPM (yet). I am thinking a main jet change may fix this??

Gaining on it

Tony Loz
Tony,

I'd up the venturi size first, 37 is a bit small for a 408, you need at least 40mm.

TonyLoz 05-15-2012 11:13 AM
Thanks Gary,

I trust things are good in Brisbane, I was visiting several years ago on business. Used the Watercats to get around (visiting the pubs).. You have good beer down there...

The other day my wife was asking what I was going to do now that my Cobra is "done", my response was simple. Its not done, I have Webers.... I will look into uping the venturis but I have it running pretty well right now. I have an LM1, plan on hooking things up this weekend, gather some data and see where I am at. Make adjustments from there.

Again, thank you all for your suggestions

Tony Loz


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