Engine/Power - EJ20T (pre-2006 WRX and JDM) There is replacement for displacement, it is forced induction - OEM 2.0 liter turbo engines in the USDM WRX. 90-94 Legacy Turbo EJ22 turbo engines can also be discussed here.

Oil Questions

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Old Sep 18, 2003 | 10:08 PM
  #1  
02wrbluewrx's Avatar
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Joined: Jun 2003
Posts: 120
From: Ann Arbor/West Bloomfield, MI
Car Info: 2002 WR Blue WRX
Question Oil Questions

Hey All,

Currently my car has natural oil in it and im worndering if I can switch to synthetic or at least a synthetic blend. The car has 54,xxx miles on it and I'm pretty sure it's always had natural oil but not positive cuz I bought it with 47,xxx miles. Also what is the best weight to use I use 10-w30 right now would 5-w30 be okay or no.....

Thanks,

02wrbluewrx
Old Sep 19, 2003 | 12:39 PM
  #2  
Kevin M's Avatar
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From: Reno, NV
Car Info: 1993/2000/2001 GF4 mostly red
You can switch to synthetic if you wish. In MI, I would recommend 10w30 in the summer, and 5w30 in the winter.
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