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SU Oddity?
#1
OK, will one of you clever chaps explain this to me:

Moderate tune Chummy. 1 1/4" SU. Semi downdraught. Pumped feed.
Tuning on the road with an AFR meter on a Lamda on the downpipe.
Steady, fairly steep hill. Holding 5000rpm flat out in 2nd gear. AFR steady at 12.3, happy! Holding same revs around  left hand corner and AFR drops to 12.0. This was repeated a couple of times. 
What's going on to make it go richer on corners?
What's the cure?
Reply


Messages In This Thread
SU Oddity? - by bobthompson - 14-02-2020, 07:36 PM
RE: SU Oddity? - by Ruairidh Dunford - 14-02-2020, 07:41 PM
RE: SU Oddity? - by bobthompson - 14-02-2020, 07:45 PM
RE: SU Oddity? - by Ruairidh Dunford - 14-02-2020, 07:46 PM
RE: SU Oddity? - by bobthompson - 14-02-2020, 07:53 PM
RE: SU Oddity? - by Ruairidh Dunford - 14-02-2020, 07:54 PM
RE: SU Oddity? - by John Mason - 14-02-2020, 08:20 PM
RE: SU Oddity? - by Alan - 14-02-2020, 08:37 PM
RE: SU Oddity? - by Ruairidh Dunford - 14-02-2020, 08:53 PM
RE: SU Oddity? - by spannerman - 14-02-2020, 08:55 PM
RE: SU Oddity? - by Bob Culver - 14-02-2020, 08:56 PM
RE: SU Oddity? - by Alan - 14-02-2020, 08:57 PM
RE: SU Oddity? - by dickie65 - 14-02-2020, 11:37 PM
RE: SU Oddity? - by Zetomagneto - 14-02-2020, 11:50 PM
RE: SU Oddity? - by dickie65 - 15-02-2020, 12:07 AM
RE: SU Oddity? - by Colin Reed - 15-02-2020, 03:59 AM
RE: SU Oddity? - by Tony Press - 15-02-2020, 05:14 AM
RE: SU Oddity? - by Steve kay - 15-02-2020, 08:40 AM
RE: SU Oddity? - by Paul N-M - 15-02-2020, 08:52 AM
RE: SU Oddity? - by Bob Culver - 15-02-2020, 09:18 AM
RE: SU Oddity? - by Steve kay - 15-02-2020, 09:25 AM
RE: SU Oddity? - by Mike Costigan - 15-02-2020, 10:13 AM
RE: SU Oddity? - by Charles Levien - 15-02-2020, 10:38 AM
RE: SU Oddity? - by bobthompson - 15-02-2020, 11:25 AM
RE: SU Oddity? - by Alan - 15-02-2020, 11:43 AM
RE: SU Oddity? - by bobthompson - 15-02-2020, 12:36 PM
RE: SU Oddity? - by Charles Levien - 15-02-2020, 03:05 PM
RE: SU Oddity? - by Davemayle - 15-02-2020, 05:15 PM
RE: SU Oddity? - by bobthompson - 15-02-2020, 05:22 PM
RE: SU Oddity? - by Davemayle - 15-02-2020, 05:31 PM
RE: SU Oddity? - by stuartu - 15-02-2020, 05:40 PM
RE: SU Oddity? - by bobthompson - 15-02-2020, 06:23 PM
RE: SU Oddity? - by Alan - 15-02-2020, 09:55 PM
RE: SU Oddity? - by Ruairidh Dunford - 15-02-2020, 10:02 PM

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