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Low pressure vs. High pressure turbo

posted by  Silvics on  Thu Apr 20 01:23 CST 2006
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last visit: Thu May 1 13:10 CST 2014
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I have an S60 2.4T engine (not sure what the actual engine model is). Would that be low or high pressure turbo? What't the difference?








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Low pressure vs. High pressure turbo

posted by  KlausC on  Thu Apr 20 10:39 CST 2006
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last visit: Fri Oct 24 10:15 CST 2014
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The difference is the 2.3T has a lot more horsepower than the 2.4T. But the torque becomes available earlier in the 2.4T, so you can go from 0-60 a little faster? Both of mine have the 2.3T, and at about 3,500rpm you are thankful for headrests :)

Klaus
--
(V♂LV♂s 1975 164, 1995 854T, 1998 V70R)








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Low pressure vs. High pressure turbo

posted by  bill d cat on  Thu Apr 20 06:00 CST 2006
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last visit: Mon Aug 11 04:23 CST 2014
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The T5s (the high-pressure turbo) have a reinforced engine block, forged - instead of cast - crankshafts and sodium-filled exhaust valves. It's a MUCH more robust motor than the LPT or the NA, and also (theoretically) likely to last longer unless its days are spent flat-out on the Autobahn. If your trunklid says "T5" it's probably a high pressure turbo.

-BTC








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Low pressure vs. High pressure turbo

posted by  someone claiming to be Ken F on  Thu Apr 20 02:17 CST 2006 [RELATED]

In the '99 V70 the 2.4L is the low pressure, and the 2.3L is the high pressure. High pressures need beefier pistons, rods, bearings, etc.

I am not sure of the exact differences.







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