Everything I read says 24-27 seconds for a 2oz shot. How long should a triple shot be. Same amount of time or say 34 seconds. Does anybody know.

Thanks

Peety

The SCAA barista competitions allow for 20 to 30 seconds, which goes to show that declarations of the "correct" pour time are open to interpretation. Generally speaking, the pour times for singles, doubles, or triples are the same, though most pulling triples prefer slower ristretto pulls. See How to make a beautiful "naked" triple espresso and How Al's Rule Saved My Life for more details.

The correct shot time is the one that tastes the best.

But, that aside, 25-30 seconds, same as a double basket (or single), but your volume increases unless you like uber tight ristretto's. Timing will vary, as will volume based on the coffee in use but it usually falls somewhere in that range.

pgottstein wrote:Everything I read says 24-27 seconds for a 2oz shot. How long should a triple shot be. Same amount of time or say 34 seconds. Does anybody know.

What gets extracted from the grounds is a function of heat and water solubility. At the same temperature, desirable solubles are being released by heat and water in (roughly) 25 - thirty seconds. Less, and you're not getting all the good stuff (under-extracted), longer and you're beginning to get some of the undesirable solubles (over-extracted).
This is true whether you're extracting six grams, or sixty, as espresso. OTOH, it does take longer for the 22.5g puck to saturate than the 6.5g. This is why you'll hear people saying things like the double tastes better than the triple, two singles taste far better than a double, etc. Within a puck, there will always be a teeny extraction differential between the top of the puck and the bottom. The large the puck gets, the larger that differential will be.
Or at least that's how it seems to me...

Personally, whenever I would do triples, I always went for somewhat of a ristretto. I preferred the Synesso18gr triple basket over the Straight-Sided La Marzocco Triple, as it was much easier to work with(for me), and it still held 23gr, which, IMO, is MORE then enough coffee. I would usually shoot for just under 2oz, in about 40seconds.. Not really a triple ristretto by many peoples standards, but I liked it. Counter Culture's Rustico did very well like that, as I recall.