Don't like the adverts?  Click here to remove them

Turbo efficiency question (long)

G

Guest

Guest
R3JlZXRpbmdzLAoKVGhvdWdoIEkgaGF2ZSBubyBkaXJlY3QgZXhwZXJpZW5jZSBvbiB0aGUgc3Vi
amVjdCwgSSd2ZSBiZWVuIHN0dWR5aW5nIHRoZQpzdWJqZWN0IGluIGRlcHRoIGZvciBhcHBsaWNh
dGlvbiBvbiBteSBMQy4gTW9zdCBvZiBpdCBoYXZlIGJlZW4Kc2FpZCBvbiB0aGUgc3ViamVjdCBi
dXQgSSdkIGxpa2UgdG8gcmVhY3QgdG8gMiBzdGF0ZW1lbnRzOgoKPlllcyB5b3UgY2FuIGluY3Jl
YXNlIHRoZSBib29zdCBhbmQgeWVzIHlvdSB3aWxsIGdldCBtb3JlIHBvd2VyLi4uLgoKPT4gQnV0
IHlvdSB3aWxsIGdldCBtb3JlIHBvd2VyIG9ubHkgYXQgRlVMTCBib29zdCwgc28gd2hlbiB5b3Ug
c3RlcCBoYXJkIG9uCnRoZSBwZWRhbCAoZnVsbCBsb2FkKS4KSW5jcmVhc2luZyBib29zdCBwcmVz
c3VyZSBtZWFucyBzaGlmdGluZyB0aGUgdXBwZXIgbGltaXQgb2YgdGhlCmJvb3N0IGN1cnZlIGFu
ZCBub3Qgc2hpZnRpbmcgdGhlIHdob2xlIGJvb3N0IGN1cnZlIHVwLgpKb2huIEJ1cnJlbCBzYWlk
OgoiIEkgYW0gd29uZGVyaW5nIGlmIHRoZXJlIHdvdWxkIGJlIGFueSBzaWduaWZpY2FudCBleHRy
YSBtcGcgdG8gYmUgaGFkIGZyb20KbW9yZSBib29zdCBhc3N1bWluZyB0aGUgdmVoaWNsZSBpcyBk
cml2ZW4gaW4gdGhlIHNhbWUgd2F5PyIKU28gdGhlIGFuc3dlciBpcyBjbGVhcmx5IE5PIGFzIHRo
ZSBlbmdpbmUgd2lsbCBiZWhhdmUgdGhlIHNhbWUgYXMgYmVmb3JlIApiZWZvcmUKcmVhY2hpbmcg
dGhlIGJvb3N0IGxpbWl0ICh3aGVuIHRoZSB3YXN0ZWdhdGUgc3RhcnRzIG9wZW5pbmcpLgoKPiBT
byB3aGVuIHlvdSBpbnN0YWxsIGFuIGludGVyY29vbGVyIHlvdSBpbmNyZWFzZSB0aGUgdHVyYm8g
Ym9vc3QuLi4KCj0+IFRoZSB3YXN0ZWdhdGUgaXMgaGVyZSB0byBsaW1pdCB0aGUgYm9vc3QgZ29p
bmcgaW50byB0aGUgZW5naW5lLgpPbiB0aGUgc3RvY2sgc2V0LXVwIChubyBpbnRlcmNvb2xlciks
IHRoZSBwcmVzc3VyZSBob3NlIG9mIHRoZSB3YXN0ZWdhdGUgaXMgCmNvbm5lY3RlZCB0byB0aGUg
b3V0bGV0IG9mIHRoZSB0dXJibyBhcyB0aGVyZSdzIG5vIGRpZmZlcmVuY2UgYmV0d2VlbiB0aGUg
CmJvb3N0IHRoZXJlIGFuZCBhdCB0aGUgY3lsaW5kZXIgaGVhZC4KV2hlbiB5b3UgaW5zdGFsbCBh
biBpbnRlcmNvb2xlciwgdGhlIHByZXNzdXJlIChib29zdCkgYXQgdGhlIHR1cmJvIG91dGxldCAK
KGJlZm9yZSB0aGUgSS9DKSBhbmQgYXQgdGhlIGN5bGluZGVyIGhlYWQgKGFmdGVyIHRoZSBJL0Mp
IGlzIG5vdCB0aGUgc2FtZTogCkNvb2xpbmcgdGhlIGFpciBtYWtlcyBpdCBtb3JlIGRlbnNlIGFu
ZCB0aGUgYm9vc3QgaXMgcmVkdWNlZC4KU28gdG8ga2VlcCB0aGUgc2FtZSBib29zdCBpbiB0aGUg
ZW5naW5lLCB0aGUgd2FzdGVnYXRlIGhvc2Ugc2hvdWxkIGJlIApyZWxvY2F0ZWQgYWZ0ZXIgdGhl
IEkvQy4gQnV0IHRoaXMgbWVhbnMgdGhhdCBmb3IgdGhlIHNhbWUgYm9vc3QgaW4gdGhlIAplbmdp
bmUsIHRoZSB0dXJibyBuZWVkcyB0byBzcGluIGZhc3RlciwgaGVuY2UgaW5jcmVhc2luZyB3ZWFy
IGFuZCAKZGVzY3JlYXNpbmcgaXRzIGxpZmUgZXhwZWN0YW5jeS4uLgpTYWlkIG90aGVyd2lzZSwg
YWRkaW5nIGFuIEkvQyBhbmQga2VlcGluZyB0aGUgc2FtZSBib29zdCBwcmVzc3VyZSAod2hpY2gg
aXMgCnJlY29tbWVuZGVkKSwgd2lsbCBnaXZlIGJldHRlciBlZmZpY2llbmN5IGJ1dCBpbmNyZWFz
ZSB0dXJibyB3ZWFyIChTb21lb25lIApvbiB0aGUgbGlzdCB3aXNlbHkgc2FpZCAidGhlcmUncyBu
b3Qgc3VjaCB0aGluZyBhcyBhIGZyZWUgbHVuY2giIDtvKS4gU28gCmluY3JlYXNpbmcgYm9vc3Qg
cHJlc3N1cmUgYXMgaXQgd2FzIHN1Z2dlc3RlZCB3aWxsIHRha2UgYSBzdHJvbmcgaGl0IG9uIHRo
ZSAKdHVyYm8uLi4KClNpZGUgbm90ZTogVHVyYm9zIGFyZSBkZXZlbG9wcGVkIHRvIHdpdGhzdGFu
ZCBtYW55IGRpZmZlcmVudCBkcml2ZSBzdHlsZXMgCmFuZCByb2FkIGNvbmRpdGlvbnMuIEF0IGhp
Z2ggYWx0aXR1ZGUsIGZvciB0aGUgc2FtZSBib29zdCBhIHR1cmJvIHNwaW5zIAoobXVjaCkgZmFz
dGVyIGFuZCB0aGlzIGNvbmRpdGlvbnMgZGljdGF0ZXMgdGhlIG1heGltdW0gdHVyYmluZSBzcGVl
ZC4gSWYgeW91IApkcml2ZSBkYWlseSB1bmRlciAyMDAwbSBhbHRpdHVkZSwgdGhlbiB0aGlzICJh
bHRpdHVkZSBtYXJnaW4iIGNhbiBiZSBzYWZlbHkgCnVzZWQgdG8gYWRkIHlvdXIgaW50ZXJjb29s
ZXIuIGluY3JlYXNpbmcgYm9vc3Qgd2lsbCBlYXQgdXAgdGhpcyBtYXJnaW4sIGFuZCAKaWYgeW91
IGV2ZXIgdGFrZSBhIGRyaXZlIHRvIGEgaGlnaGVyIGFsdGl0dWRlIHJvYWQgYW5kIGFwcGx5IGZ1
bGwgbG9hZCwgCmNoYW5jZXMgYXJlIHlvdXIgdHVyYm8gd2lsbCBlYXQgdXAgaXRzIGJlYXJpbmcg
YW5kIHNvb24gYWZ0ZXIgdGhlIAp0dXJiaW5lL2NvbXByZXNzb3IuLi4KCk15IDAuMDIgY2VudHMK
CkxpbyAKCgoKLS0gRGlzY2xhaW1lciAtLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t
LS0NCkNlIG1lc3NhZ2UgYWluc2kgcXVlIGxlcyBldmVudHVlbGxlcyBwaWVjZXMgam9pbnRlcyBj
b25zdGl0dWVudCB1bmUgY29ycmVzcG9uZGFuY2UgcHJpdmVlIGV0IGNvbmZpZGVudGllbGxlIGEg
bCdhdHRlbnRpb24gZXhjbHVzaXZlIGR1IGRlc3RpbmF0YWlyZSBkZXNpZ25lIGNpLWRlc3N1cy4g
U2kgdm91cyBuJ2V0ZXMgcGFzIGxlIGRlc3RpbmF0YWlyZSBkdSBwcmVzZW50IG1lc3NhZ2Ugb3Ug
dW5lIHBlcnNvbm5lIHN1c2NlcHRpYmxlIGRlIHBvdXZvaXIgbGUgbHVpIGRlbGl2cmVyLCBpbCB2
b3VzIGVzdCBzaWduaWZpZSBxdWUgdG91dGUgZGl2dWxnYXRpb24sIGRpc3RyaWJ1dGlvbiBvdSBj
b3BpZSBkZSBjZXR0ZSB0cmFuc21pc3Npb24gZXN0IHN0cmljdGVtZW50IGludGVyZGl0ZS4gU2kg
dm91cyBhdmV6IHJlY3UgY2UgbWVzc2FnZSBwYXIgZXJyZXVyLCBub3VzIHZvdXMgcmVtZXJjaW9u
cyBkJ2VuIGluZm9ybWVyIGwnZXhwZWRpdGV1ciBwYXIgdGVsZXBob25lIG91IGRlIGx1aSByZXRv
dXJuZXIgbGUgcHJlc2VudCBtZXNzYWdlLCBwdWlzIGQnZWZmYWNlciBpbW1lZGlhdGVtZW50IGNl
IG1lc3NhZ2UgZGUgdm90cmUgc3lzdGVtZS4NCioqKg0KVGhpcyBlLW1haWwgYW5kIGFueSBhdHRh
Y2htZW50cyBpcyBhIGNvbmZpZGVudGlhbCBjb3JyZXNwb25kZW5jZSBpbnRlbmRlZCBvbmx5IGZv
ciB1c2Ugb2YgdGhlIGluZGl2aWR1YWwgb3IgZW50aXR5IG5hbWVkIGFib3ZlLiBJZiB5b3UgYXJl
IG5vdCB0aGUgaW50ZW5kZWQgcmVjaXBpZW50IG9yIHRoZSBhZ2VudCByZXNwb25zaWJsZSBmb3Ig
ZGVsaXZlcmluZyB0aGUgbWVzc2FnZSB0byB0aGUgaW50ZW5kZWQgcmVjaXBpZW50LCB5b3UgYXJl
IGhlcmVieSBub3RpZmllZCB0aGF0IGFueSBkaXNjbG9zdXJlLCBkaXN0cmlidXRpb24gb3IgY29w
eWluZyBvZiB0aGlzIGNvbW11bmljYXRpb24gaXMgc3RyaWN0bHkgcHJvaGliaXRlZC4gSWYgeW91
IGhhdmUgcmVjZWl2ZWQgdGhpcyBjb21tdW5pY2F0aW9uIGluIGVycm9yLCBwbGVhc2Ugbm90aWZ5
IHRoZSBzZW5kZXIgYnkgcGhvbmUgb3IgYnkgcmVwbHlpbmcgdGhpcyBtZXNzYWdlLCBhbmQgdGhl
biBkZWxldGUgdGhpcyBtZXNzYWdlIGZyb20geW91ciBzeXN0ZW0uCg=
 
Salut Lionel,
Have you ever really drive a 80 with more turbo pression doubled? My
experience is not that of yours. The boost comes on much hard at very
little throttle. Throttle response is much more crisped. The whole
boost curve is shifted up so much that I allmost never put my foot
down hard. A fact is that I have only put it down 4 times!
I can not agree with your alarming point of view for turbos. They just
spin and their loading is minimised. So many original turbos last may
be 300.000 kilometers! Well we can talk again after I go some 100.000
kilometres more with mine boosted to 1,6 bar.
Benoit en Alsace
 

Similar threads

Back
Top