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C30 / S40 & V50 '04-'12 / C70 '06-'13 General Forum for the P1-platform C30 / S40 / V50 / C70 models |
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t5 / vxr ???Views : 2213 Replies : 30Users Viewing This Thread : |
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Oct 1st, 2019, 09:02 | #11 |
Volvo S40
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Location: Chichester
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massivly different cars with power delivery in completly different ways. T5 standard will be some poke but a smoother delivery, the VXR more likely to feel the boost. Lightnes is everything so having a lighter model will make a massive difference.
The T5 standard is really just a cruiser and thats it. I took my T5 on a 1/4 drag strip at santapod and almost got had by a 1.6 pug 205 which was completly standard (no maps / mods etc) but the guy had removed all his seat appart from the driver seat.
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Oct 1st, 2019, 16:14 | #12 | |
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Oct 2nd, 2019, 16:33 | #13 |
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Location: Market Harborough
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I've had my T5 for 10 years and have never heard the Turbo 'boosting' through higher revs. I can hear it at very low speeds with the window open; a nice faint whistle between gear changes as the turbo changes speed.
I can hear a kinda whoosh sound in-between high-boost gear changes but take that to be the wastegate. The T5 has a unique character where it's more than happy to haul you along at very low revs, when I first got mine I would say it drove a bit like a diesel in many ways but without running out of puff suddenly....
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2005 S40 T5 SE - Manual. Bilstein B4's. (For Sale) 2010 Citroen C4 1.6 HDi (bizarre Gearbox model). 2010 Renault Twingo (refreshingly simple) 2018 Infiniti Q30 1.6T Business Executive (what's this button do?) |
Oct 2nd, 2019, 19:29 | #14 | |
FCW Auto Service
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Location: Gloucester
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However when I first got the car, it never whistled at higher rpm and was down on power. After replacing the "PCV"valve" (also referred to as the turbo check valve) at the top of turbo, cleaning the MAP sensor and resetting engine computer it then began to audiably boost at higher rpm. Does the same in 5th and 6th..and obviously more pronounced as the higher gears keep the revs and the growl lower. Last edited by T5R92011; Oct 2nd, 2019 at 19:37. |
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Oct 3rd, 2019, 09:06 | #15 | |
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Mine is like Weltons, I hear spooling, then nothing really till I get the wastegate actuator release. I can often hear a sucking induction noise higher up the revs but only as I have a K&N filter. The only T5 I've heard the turbo make noise throughout was that car cleaning channel guys blue C30, that whined all the way through the range and a lot of the comments said it wasn't normal. IIRC, the car had a replacement turbo at some point throughout his ownership.
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2006 Volvo S40 T5 SE Sport
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Oct 3rd, 2019, 10:15 | #16 | |
FCW Auto Service
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Anyway with regards to OP VXR vs V50.... well some stats compared to an S40 (V50 is obviously a bit heavier): Last edited by T5R92011; Oct 3rd, 2019 at 10:59. |
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Oct 3rd, 2019, 11:07 | #17 | |
WowIcanwriteAnythingHere!
Last Online: Mar 26th, 2024 17:05
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Location: Dublin/Meath
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I can hear mine spools from 2500, its a nice, subtle high-pitch whistle if accelerating very slowly. When floored, its a whoosh of air intake and then when release its a nice PFsssssss or air release. It can actually be modulated easily via accelerator pedal even on low speeds, I drive to work trough walled streets and often I put my window down and gently woosh-psss for a while just to hear the engine doing it. After some practice you can do it almost "on demand" whenever you fell like it, sometimes you can observe peoples reaction like "wait, what?" when my unsuspecting 'volvo estate' passes by Love it as its not obtrusive like "look at me" modified exhaust, but for a car-fan ear its distinctive enough to pick up the "somethings nice under the hood there" vibe :}
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2005 V50 T5AWD M66, Stage1 Hilton tune E-focus torque mount, E46 bi-xenon retrofit v2 , (also available in PDF form), DTSC fully-off mod, Brembo discs+ATE ceramic pads |
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Oct 3rd, 2019, 11:48 | #18 | |
FCW Auto Service
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Also admit that I drive the car in an incredibly uneconomical fashion most of the time... You can drive it around in 6th gear at 30mph, but I often find I'm sat in 3rd gear instead... with the car always "ready to go". Last edited by T5R92011; Oct 3rd, 2019 at 11:53. |
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Oct 3rd, 2019, 12:33 | #19 | ||
WowIcanwriteAnythingHere!
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2005 V50 T5AWD M66, Stage1 Hilton tune E-focus torque mount, E46 bi-xenon retrofit v2 , (also available in PDF form), DTSC fully-off mod, Brembo discs+ATE ceramic pads |
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Oct 3rd, 2019, 13:13 | #20 |
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Last Online: Sep 14th, 2021 18:03
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Mmmm, strange, I picked up my T5 when it had 24K miles on it and have never heard the turbo boosting at higher revs, I can only hear the warble of the engine and it's still the same now at 105K and *lots* of fresh high-end oil through the engine.
The engine still pulls like a train, I've replaced the turbo control valve and the little turbo 'check' valve (for maintenance sake) and had a new pressure sensor in the last 12 months where I felt the boost wasn't as good and this sensor was reading falsely high. None of these things made any difference to the noises the turbo makes and I still see a solid 0.7 bar through the OBD live reader.
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2005 S40 T5 SE - Manual. Bilstein B4's. (For Sale) 2010 Citroen C4 1.6 HDi (bizarre Gearbox model). 2010 Renault Twingo (refreshingly simple) 2018 Infiniti Q30 1.6T Business Executive (what's this button do?) |
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