Triple Dellorto tuning
Posted 09 May 2015 - 01:05 PM
Posted 09 May 2015 - 05:06 PM
Posted 09 May 2015 - 05:13 PM
Webers, Dellortos, Mikunis all work very similar. All have 'idle' jets, mains, air correctors, emulsion tubes, etc. They all do the same thing, so what you read on Webers generally, can be applied to Dellortos.
There is a lot to take in so read things and don't be afraid to read it again and again.
Best thing you can now spend your money on (besides a professional tune) would be a wide band oxygen sensor. Forget the guess work done by reading plugs.
Posted 09 May 2015 - 05:15 PM
Here's a link I just found. Applies to the Weber DCOEs used on our Datsuns (tutorial is for a differen car though!), but like I mentioned earlier, how the different jets function in a Weber is the same in a Dellorto.
Posted 09 May 2015 - 06:53 PM
Posted 09 May 2015 - 10:24 PM
You say middle two plugs are quite black, compared to front/rear two.
Sounds like carby no 2 may have incorrect bits in there, compared to other two carbs.
An O2 sensor up the exhaust will only tell you the total of all six cylinders.
Posted 24 May 2015 - 08:38 AM
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