Mobil 1 oil
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Joined: Dec 2004
Posts: 1,204
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From: chicago IL
Car: 91 formula
Engine: 350 tuned port. bolt ons
Transmission: 700r4
Axle/Gears: 3.73
Mobil 1 oil
I have a 87 350tpi and it burns a little oil. I was wondering if i put in mobil 1 15w50 will it be to thick. does anyone run this oil and how is it.
Joined: Mar 2000
Posts: 43,187
Likes: 42
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
I'm going to nip this one in the bud. Oil threads turn into opinion journals and flame fests.
15W-50 is thicker than necessary for use in the typical factory-spec, street driven vehicle. If you have an oil consumption issue, fix the problem. Thicker oil isn't going to do much.
10:1 with a factory SBC, you've got hardened, cracked valve stem seals. Replace them with a more positive sealing type, and you'll solve the oil consumption problem without any crutches.
For general oil information or Mobil 1 or synthetics in general, do a
.
For valve stem seal replacement information, .
15W-50 is thicker than necessary for use in the typical factory-spec, street driven vehicle. If you have an oil consumption issue, fix the problem. Thicker oil isn't going to do much.
10:1 with a factory SBC, you've got hardened, cracked valve stem seals. Replace them with a more positive sealing type, and you'll solve the oil consumption problem without any crutches.
For general oil information or Mobil 1 or synthetics in general, do a
.For valve stem seal replacement information,
. 
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