Coyoteboy wrote:
>>I use Castrol or Valvoline dino in my cars, change oil and filter (
>>Motorcraft Fl400-S) every 90 days or 3,000 miles, and have never had
>>an engine problem related to oil. n e v e r.
>>
>>Go figure. If you want to spend the extra $ on synthetic, it's your
>>money, be my guest.
>
>
> I only use fully synth oil and swap it every 2.5-3K miles. But thats the
> manufacturers recommendation lol. Ouch. Bloody 3SGTE engine .
>
> J
>
>
You are simply wasting your money changing it that often.

--
Rob Munach, PE
Excel Engineering
PO Box 1264
Carrboro, NC 27510