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Old 08-11-07, 02:09   #106
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Default Re: un ALH, in devenire "R"

dar tu cu ce ai argumentat dpdv tehnic faptul ca ai indemnat omul sa puna axa de sdi te tdi? Ai citit prin carti sau tu personal ai montat asa ceva pe masina ta? Ca forumuri de afara citim toti si de alhuri cu axe am auzit multe dar nici unul cu axa de sdi
retine ca eu n-am sugerat ca e total eronat ce ai zis tu doar ca nu inspira credibilitate ca noi nu prea am auzit de asa ceva
apropo ce ai vrut sa zici cu "acum suntem impreuna in EU"? Ti-ai luat suferinte de european ca stai 1 luna / an in tara romanule?
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Old 08-11-07, 03:22   #107
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Default Re: un ALH, in devenire "R"

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Originally Posted by zGb View Post
dar tu cu ce ai argumentat dpdv tehnic faptul ca ai indemnat omul sa puna axa de sdi te tdi? Ai citit prin carti sau tu personal ai montat asa ceva pe masina ta? Ca forumuri de afara citim toti si de alhuri cu axe am auzit multe dar nici unul cu axa de sdi
retine ca eu n-am sugerat ca e total eronat ce ai zis tu doar ca nu inspira credibilitate ca noi nu prea am auzit de asa ceva
apropo ce ai vrut sa zici cu "acum suntem impreuna in EU"? Ti-ai luat suferinte de european ca stai 1 luna / an in tara romanule?

Da, am vazut axa sdi montat pe ALH, si a mers mai bine, din cauza deschideri mai mari si mai lungi a supapelor, prin asta o umplere mai mare a cilindreei = mai multa putere, dar numai daca e facut deja modificari a motorului, fara de aia nu o sa mearga mai bine. Se poate face si din axa cu came originala aceasta (vezi: https://forum.4tuning.ro/showpost.php...2&postcount=53 ).
Sa nu mia zic de schimbarea pompei de injectie la una mecanica modificata ca iaresi sariti la cap...apropo, alea se fac in ungasia in general si sunt vandute si in germania, mai mult, germanii merg acolo si baietii le monteaza (max 6-700euro si e bun pana la 250-300cai, consum normal sub 10L). Sunt si masini de rally cu modificarea asta (CP 250+ Nm 450+ si nori de fum )

"acum suntem impreuna in EU"
Despre mine toti stiu ca sunt din romania, nu ascund, si la fac, si ori unde ma umplu (ar fi greu sa ascund, ma umblu cu masina registrat in romania ) dar pana la ora actuala nu am avut nici o problema, desi stau intre oamani carora nu prea plac romanii...
Cu asta ma referam la faptul ca voi ma atacati, fara sa stiti de ce scriu ceace scriu, nu argumentati de ce eu nu asi avea dreptate, doar ma faceti pe prostul. Aste eu nu consider comportament european...poate in sua sau undeva in africa merge. Dar aste e parerea mea.
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Old 08-11-07, 12:57   #108
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Default Re: un ALH, in devenire "R"

nimeni nu te-a facut prost...doar ca nici tu n-ai argumentat

la rally nu se merge cu axa de sdi unde o ard cu tdi-u la 5500-6000rpm iar in legatura cu pompa se poate schimba doar capul pompei cu unul mai mare (11-12mm) si rezolva orice problema legata de injectie (pe langa duzele injectoarelor)
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Old 08-11-07, 13:16   #109
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Default Re: un ALH, in devenire "R"

No, asa se poate vorbi, nu?

Pompa de aia schimba ca din 3 suruburi este reglata, pentru orice amestec, orce presiune, nu trebuie sa faci resoft. Eu acuma vreau sa fac asta la al meu, impreuna cu cele mentionate si probabil cutie mai buna...ceva de 1.8T, cred ca din 2000E sa ajung peste 200cai. Dar nu ma risc, interior de 2.0PD (sa nu am problema cu un overboost nedorit) poate si un total alt motor (1.9td) si las tdi-ul "orig" pentru o eventuala vanzare.
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Old 08-11-07, 13:28   #110
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Default Re: un ALH, in devenire "R"

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De ce ma atacati, doveditiva ca nu am dreptate, sau ca am scris o prostie, asa se face la locuri civilizate...:
auzi, bai Dan Diaconescu....asta e prob de clasa 8 de logica !!
daca spui ceva si nu vrei sa fii contrazis..,..demonstreaza tu ca ai dreptate...nu noi ca tu nu ai....

jeeez...
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Old 08-11-07, 23:13   #111
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Default Re: un ALH, in devenire "R"

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No, asa se poate vorbi, nu?

Pompa de aia schimba ca din 3 suruburi este reglata, pentru orice amestec, orce presiune, nu trebuie sa faci resoft. Eu acuma vreau sa fac asta la al meu, impreuna cu cele mentionate si probabil cutie mai buna...ceva de 1.8T, cred ca din 2000E sa ajung peste 200cai. Dar nu ma risc, interior de 2.0PD (sa nu am problema cu un overboost nedorit) poate si un total alt motor (1.9td) si las tdi-ul "orig" pentru o eventuala vanzare.
nu gasesti cutie mai buna ca cea de tdi 130/150cp 6 trepte...e tanc cutia...pana acum am vazut sa tina cel mai mult 540nm de la 310/320nm stock...eu am 480nm si tine fara nici o panica inclusiv planetarele
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Old 08-11-07, 23:25   #112
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Default Re: un ALH, in devenire "R"

el cred k se referea la etajarea cutie daca nu ma insel...
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Old 08-11-07, 23:26   #113
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Default Re: un ALH, in devenire "R"

Quote:
auzi, bai Dan Diaconescu....asta e prob de clasa 8 de logica !!
daca spui ceva si nu vrei sa fii contrazis..,..demonstreaza tu ca ai dreptate...nu noi ca tu nu ai....

jeeez...
Daca voi nu stiti sau nu ati inteles din prima despre ce scriu eu si ma atacati pentru asta... am sa fiu Diaconescu.

Dar cred ca e destul din off topicuri.


Quote:
Originally Posted by zGb View Post
nu gasesti cutie mai buna ca cea de tdi 130/150cp 6 trepte...e tanc cutia...pana acum am vazut sa tina cel mai mult 540nm de la 310/320nm stock...eu am 480nm si tine fara nici o panica inclusiv planetarele

Probabil aia o sa folosesc dar cu ambreai mecanic + LSD (800E dar merita tori banii, parca ar fi o alta masina)
Motor 1.9Td si restul ce am scris mai sus.
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Old 09-11-07, 11:20   #114
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Default Re: un ALH, in devenire "R"

am gasit pe www.kermatdi.com upgrade la cutia in 5 pt ALH. am intrebat la adresa de contact cateva detalii despre asta. jos este corespondenta cu cei de acolo.


LUPU CONSTANTIN IONUT wrote:

message: Hi!
I would like to know if the 5th gear conversion .681
SKU: 5th gear .681 (.681 5th Gears 02D311361-small gear & 02D311158-large gear, lower RPM's at highway speeds) is suitable for my VW Golf Mk4, 1,9 TDI, year 2003, ALH engine, 5 gear, identification number WVWZZZ1JZ3W533351. I tuned up my car with Powerplus 520 nozzles and customized soft for ECU. Now it makes 150 bhp and over 300 nm torque. At 4750 RPM the speedometer shows 215 kmph. Can you tell me how much will be improved the maximum speed with the transmition upgrade that you offer?
Thank you for your time!


Paul Maloney wrote:

The power required to overcome the aerodynamic drag is given by:
Pd = (F)d*(v) = (.5)pv^3(A*Cd)
Fd is the force of drag,
ñ is the density of the fluid (Note that for the Earth's
atmosphere, the density can be found using the barometric formula. It
is 1.293 kg/m3 at 0°C and 1 atmosphere.),
v is the speed of the object relative to the fluid,
A is the reference area,
Cd is the drag coefficient (a dimensionless constant, e.g. 0.25 to
0.45 for a car)
Bear in mind that the power needed to push an object through a fluid
increases as the CUBE of the velocity. A car cruising on a highway at
50 mph (80 km/h) may require only 15 bhp to overcome air drag,
but that same car at 100 mph (160 km/h) requires 120 hp. With a
doubling of speed the drag (or force) actually QUADRUPLES per the
formula. Exerting four times the force over a fixed distance produces
four times as much work. At twice the speed the work (resulting in
displacement over a fixed distance) is done twice as fast. Since power
is the rate of doing work, four times the work done in half the time
requires eight times the power.
Thus, with a 5th gear mod your RPMs will go down 400-600, but the
amount of power it takes to overcome aerodynamic drag going up with
the cube of velocity the chances of you reaching redline are
impossible. With a .681 5th gear you could do 160 MPH (260 km/hr), but
you would need a lot more bhp to do so. You might see a bit
more top speed, but not much with a 5th gear mod--the greatest benefit
of the mod is reduced RPMs at speed and therefore reduced cabin noise.
Comfort levels for passengers and drivers go way up, and generally
there is a small increase in fuel economy.
paul@kermatdi.com
www.kermatdi.com
cell 407-782-3700
office 970-748-1131
fax 970-845-8883


ce parare aveti?
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Old 09-11-07, 18:31   #115
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Default Re: un ALH, in devenire "R"

pai ti s-a mai spus de modul asta acum cateva pagini in urma...exista de ceva timp
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Old 10-11-07, 15:40   #116
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Default Re: un ALH, in devenire "R"

am pornit un thread mai demult despre modificarea cutiei de viteze dar dupa discutii si sugestii care mai de care mai ...rezultatul a fost ZERO!
stiu ca mai e un tip pe forum cu un ALH care are pinionul de a 5-a schimbat (asa zice el) dar nu e de la kerma. cica e de la transporter.

asa ca asta e chiar o noutate!
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Old 10-11-07, 19:17   #117
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Default Re: un ALH, in devenire "R"

Parerea mea ca nu merita schimbarea ei, 200 e destul pe drumurile noastre.
Nu castgi nimic cu asta. MAi bine iti iei un LSD, on oras este extrem de bun, masina o sa accelereze cu 0.5 sec mai repede 0-100 si in curbe va trage masina in inauntrul acesteie, deci viteze mult mia mari in curbe, mai ales la iesire.
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Old 11-11-07, 08:26   #118
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Default Re: un ALH, in devenire "R"

cu viteza ai dreptate...partial . sincer sa fiu de mai multe ori am simtit ca pot sa ii dau mai mult de 200. adevarul e ca aveam cum si unde, traficul fiind foarte scazut sau chiar absent.

despre LSD am citit destule ca sa fiu nerabdator pana il montez pe masina. il am si pe asta pe lista.
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Old 11-11-07, 09:31   #119
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Default Re: un ALH, in devenire "R"

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despre LSD am citit destule ca sa fiu nerabdator pana il montez pe masina. il am si pe asta pe lista.
ai vazut vreo masina LIVE cu LSD? .. da bine dar cand te uiti la usa cum se clatina te sperii k ti se rupe drq, in plus suspensiile hidraulice de la LSD pot ceda! sunt atatea variabile iar multi au renuntat la LSD mai bine iti pui un bodykit shmecher !
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Old 11-11-07, 09:46   #120
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Default Re: un ALH, in devenire "R"

AICI ERA VORBA DESPRE ALT LSD > Limited Slip Differential

A limited slip differential (LSD) is a modified or derived type of differential gear arrangement that allows for some difference in rotational velocity of the output shafts, but does not allow the difference in speed to increase beyond a preset amount. In an automobile, such limited slip differentials are sometimes used in place of a standard differential, where they convey certain dynamic advantages, at the expense of greater complexity.

The main advantage of a limited slip differential is found by considering the case of a standard (or "open") differential where one wheel has no contact with the ground at all. In such a case, the contacting wheel will remain stationary, and the non-contacting wheel will rotate freely– the torque transmitted will be equal at both wheels, but will not exceed the threshold of torque needed to move the vehicle, thus the vehicle will remain stationary. In everyday use on typical roads, such a situation is very unlikely, and so a normal differential suffices. For more demanding use however, such as driving off-road, or for high performance vehicles, such a state of affairs is undesirable, and the LSD can be employed to deal with it. By limiting the velocity difference between a pair of driven wheels, useful torque can be transmitted as long as there is some friction available on at least one of the wheels.
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