I know all 3 of those are good at 2 bar to 7100 rpm's. I am not sure if you can get by with the 3071 without it tapering down by 8k to 24-26'ish psi. I would bet the other 2 can handle that without a problem. I know the 3076 can make 40 psi to 7100.
I have a 2871R and love it, spool time is great and does pull hard all the way up to 7500. Mine is daily driven at 18-19psi I hit that everyday, i don't know the numbers on that but it feels good.
Garrett t3t4 here, NO restrictor. 3+ years and no issues.
I have a T3 on a 1.9TD and it does seem to pull nice.....but there is lag to it...I have to wait till about 2200rpm until i get some spool. The T3 gives a nice pull after about 2.5k rpm. overall I am happy with the T3 turbo.....I havent started turning up the boost yet.....but its a lot more "alive" with the bigger turbo.
I am running a TO4E on a 2966cc bottom end and the spool up time is good, you don't really feel any lag what so ever... If you look at the bhp curve there is a little dip at 2800 rpm but thats down to the mapping.
I have a TO4E and love it.
The engine has to be the best part of the car. The 2.0t has a Garrett GT20 low pressure turbocharger. On all the SAAB boards I'm on. The engine has been the high point in the car. Nobody has had problems with it.
You guys should really check out that R2S, it's is MONEY.
Having driven my 2001 in both modes as well, I would say the top-end gains are where I felt a change, but even then, we're not talking 5-car-lengths in races here, folks. That being said, my K04 works nicely and the torque feels a bit more broad and I am enjoying it.
Weak! I would of used a GT55R
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