John,
The earlier Strombergs had adjustable jets in the bottom of the float bowls.
The later Strombergs require a special adjusting tool that goes down the
piston damper hole. If you have a catalog from any of the major suppliers
they should show what the tool looks like.
Jim
> -----Original Message-----
> From: johnd@eng.insol.com [SMTP:johnd@eng.insol.com]
> Sent: Monday, August 10, 1998 3:48 PM
> To: british-cars@autox.team.net; triumphs@autox.team.net
> Subject: stromberg carbs?
>
> I need some advice from you Triumph guys. My cousin brought over his newly
> aquired TR6 for a quick tune up Sunday and all was well until I tried
> to adjust the mixture. The book shows an adjustable jet, but there does
> not
> seem to be any adjustment on his carbs.
> I should describe the car first, its a 1974 TR6 with 63,000 miles on it.
> All
> the emission stuff appears to be intact, and looks like its never been
> taken
> apart or modified. The carburettors say Stromberg CD2-S on the daspot
> covers.
> I think it says S (my memory is going).
> I put in new points, set the dwell and timing and then moved to the carbs.
> Lifting the piston causes the motor to die quickly, so I suppose they are
> too
> lean. It runs ok, but not as smooth as I would like, and it seems a bit
> flat
> especially at low rpms. Is the timing really set to 4 degrees AFTER TDC?
> I know my way around SU carbs, but not Strombergs. Any Ideas on what route
> I
> should take and is there any way to tune for more power?
>
> Thanks in advance
>
> John D'Agostino
>
> 62 SP250
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