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  1. Join Date
    Jan 2008
    Posts
    3,750
    #6291
    Quote Originally Posted by dr. d View Post
    in the past,
    whenever i had my regular oil change (mineral oil),
    the car always "felt smoother running and had better acceleration" afterward.
    imagined perception? real? i don't know...
    dun sa kia besta van namin dati baligtad naman.. pag bagong change oil medyo makupad at parang hirap sa takbo na parang gusto pa mag overheat.. pero pag luma na yung oil nya, minsan pina abot ko ng 10k kms.. smooth na smooth ang takbo.. matulin tsaka hindi masyado mainit makina.. hehe

  2. Join Date
    Mar 2008
    Posts
    38,566
    #6292
    Quote Originally Posted by yapoy86 View Post
    dun sa kia besta van namin dati baligtad naman.. pag bagong change oil medyo makupad at parang hirap sa takbo na parang gusto pa mag overheat.. pero pag luma na yung oil nya, minsan pina abot ko ng 10k kms.. smooth na smooth ang takbo.. matulin tsaka hindi masyado mainit makina.. hehe
    we had a besta before.
    we never experienced this.

  3. Join Date
    May 2014
    Posts
    13,696
    #6293
    Quote Originally Posted by yapoy86 View Post
    dun sa kia besta van namin dati baligtad naman.. pag bagong change oil medyo makupad at parang hirap sa takbo na parang gusto pa mag overheat.. pero pag luma na yung oil nya, minsan pina abot ko ng 10k kms.. smooth na smooth ang takbo.. matulin tsaka hindi masyado mainit makina.. hehe
    baka need na thicker oil bro
    dito ko yata nabasa, may mga buy and sell ginagamit daw gear oil 75w90 para matago yun rough idling

  4. Join Date
    Mar 2008
    Posts
    38,566
    #6294
    Quote Originally Posted by ninjababez View Post
    baka need na thicker oil bro
    dito ko yata nabasa, may mga buy and sell ginagamit daw gear oil 75w90 para matago yun rough idling
    hah!
    many years ago,
    when i replaced the oil of my then-recently-purchased car, using the recommended oil grade,
    the oil pressure light started flickering.
    it would appear, the engine was so worn, it could not keep proper oil pressure anymore.

    ex-taxi!
    it would seem, all the signs were there. but me-in-my-in-experience...
    heh heh.

  5. Join Date
    Mar 2014
    Posts
    3,611
    #6295
    Quote Originally Posted by dr. d View Post
    in the past,
    whenever i had my regular oil change (mineral oil),
    the car always "felt smoother running and had better acceleration" afterward.
    imagined perception? real? i don't know...
    Could be doc. I just donít feel that with my other diesel car using Zic X7. But maybe expectations were a bit optimistic. Either or, itís still positive. But Iíve used a bad fs oil before & felt it right away. I bought this oil because of itís ACEA rating.

  6. Join Date
    Mar 2008
    Posts
    38,566
    #6296
    Quote Originally Posted by bloowolf View Post
    Could be doc. I just donít feel that with my other diesel car using Zic X7. But maybe expectations were a bit optimistic. Either or, itís still positive. But Iíve used a bad fs oil before & felt it right away. I bought this oil because of itís ACEA rating.
    which brings me to my nagging question.
    "how does one know that the oil one just poured into the engine, is bad oil?"

  7. Join Date
    Mar 2014
    Posts
    3,611
    #6297
    Quote Originally Posted by dr. d View Post
    which brings me to my nagging question.
    "how does one know that the oil one just poured into the engine, is bad oil?"
    It is hard to describe to give you a satisfactory answer but, it didnít feel right & up to my expectations. Maybe there are other factors at play but, that was the only thing changed with the car to make me suspicious. Itís also been proven that not all oils are created equal. Anyway, to each his own.

  8. Join Date
    Sep 2010
    Posts
    240
    #6298
    Question mga gurus re: diesel engine oil. API CI-4 mineral engine oil vs API CF-4 semi-synthetic engine oil.

    Dinala ko sa talyer yung old school diesel na sasakyan namin (Isuzu Crosswind 4JA1-T). In-offer sa akin ng mekaniko yung CF-4 semi-synthetic na langis dahil 30 pesos lang yung price difference nya kumpara dun sa CI-4 na mineral oil. Kaso, mas pinili ko pa rin yung CI-4 mineral oil dahil sa mas mataas yung API rating, at sayang din yung 30 pesos per liter hehe.

    Based sa manual, ang recommended ay CF-4. Pero based naman sa mga nabasa ko dito dati, mas maganda yung mas mataas na API rating.

    Tama lang ba yung choice ko? Alam ko naman na hindi maselan sa langis ang Crosswind pero mas prefer ko rin yung change oil every 5,000 KM hehe.

  9. Join Date
    Jan 2008
    Posts
    3,750
    #6299
    hindi kikibo yan sa langis.. hehe.. basta pang diesel ok sa 4ja1 yan..

  10. Join Date
    Jan 2008
    Posts
    3,750
    #6300
    Quote Originally Posted by ninjababez View Post
    baka need na thicker oil bro
    dito ko yata nabasa, may mga buy and sell ginagamit daw gear oil 75w90 para matago yun rough idling
    not sure though... hindi naman nag uubos ng oil yun, no rough idling or hard start, at hindi din mausok.. maganda yung 2.7 engine ng besta nun eh.. compared dun sa 2.2 engine.. naka timing gear pero di gaano maingay gaya ng isuzu engine.. malakas din humatak compared sa 4d56 ng mitsu..

    yung lang nagtataka ako eh pag bago langis parang pigil takbo..

Mineral , semi synthetic or fully synthetic?