Graham,
Carb synchronization is done with the linkage loosened. Just removing the
linkage will not change the synchronization. That is changed by adjusting
the screws on the throttle stops.
Peter
'68 TR250
on 4/25/03 12:15 PM, Vink, Graham at vinkg@fleishman.com wrote:
> The following link contains detailed instructions from VTR. IMHO, the
> Uni-Syn tool (available from usual Brit car suppliers) is indispensable. And
> yes, if you've had the throttle interconnect linkage off, it's almost
> certain that the carbs aren't synchronized.
>
> Another thing to check is the carburetor diaphragms, especially if they're
> old - if one or both have holes or tears you won't get much power.
> Replacements are cheap.
>
> Graham
>
> http://www.vtr.org/maintain/carbs.html
>
> -----Original Message-----
> From: Kronberg, Peter [mailto:Peter.Kronberg@hp.com]
> Sent: Friday, April 25, 2003 11:23 AM
> To: 6pack@autox.team.net
> Subject: How to sync/tune dual Strombergs?
>
>
> Hey Everyone,
> Well, I got my '76 fired up for the first time yesterday. Mind you, I've
> installed a Pertronix Ignitor and had both carbs removed to replace float
> bowl plug O-rings. I have to say, she idles fairly well. However, under
> load...no power. The acceleration response is..."sputtery". Now, as I've
> mentioned in earlier messages, I think my dizzy may have rotated on me
> slightly, so I'll be checking ignition timing next. 4deg ATDC, right?
> Bentley mentions a micro-adjustment nut for minor timing tweaks, but I can't
> seem to find it in any exploded parts diagram. So...I guess I'll be
> resorting to loosening of the clamp, and rotating the housing/shaft. Which
> direction of dizzy rotation will change timing closer/away from TDC? Do my
> symptoms suggest that this is likely to be enough of a factor, or should I
> then move on to carb syncing/tuning? Here's where things get sticky... I am
> looking for a cookbook set of procedures for syncing my carbs. I've had the
> throttle interconnect linkage off, and I suspect that I need to synchronize
> them, at least. I never messed with the dashpots, diaphragms, needle valves,
> etc so I'm hoping I don't need to mess with mixture.
>
> The frustrating thing is, there is TONS of info on rebuilding carbs, but
> sketchy info on syncing / tuning. I checked the archives, but got no hits.
>
> Please advise, and thanx in advance from the bottom of my sump.
>
> Pete
> '76 CF51563U (TRYin' to mo'tate...)
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