Question 1

How would this oil hold up in an '02 TL-S that already had 197k mileage?

Accepted Answer

It's a fine synthetic oil. I've got it running in my '02 Civic @ 170k Miles. I do oil and filter changes on this oil every 5k Miles, been running it for 2 oil changes now. Good stuff, holds up well. No complaints.

Question 2

will it make oil seal leak with a car thats been on conventional for 100000 miles?

Accepted Answer

in most cases.. no.. Polyol esters usually make seal swell and soften...PAO'SMobil 1 makes seals harden ... I think they probably add something to minimize this... to be completely honest, my brothers wife had an 05 Chrysler minivan..  4 cylinder...we put Redline in it... It leaked faster...but it had a bad leak already...I have been using 3 qts of M1 high mileage..2 qts of Redline...another area of concern with Redline.. unless you changed the oil often, Redline will clean the inside of the motor... I would try Valvoline red bottle high mileage ... see how that does...if you have changed the oil 3 to 5 K and used good stuff, should be safe...bottom line, I have seen it go both ways...without making your eyes glaze over with crazy details..  Redline has just about the HIGHEST  film strength on the planet...have used it everything I own since 1994 .... always happy with the results...from lawn mowers, chain saws, 4 wheelers,  cars in the family...and friends who were very skeptical...Redline products have consistently worked better than anything else I have tried...

Question 3

has anyone used this on 09 f150 with 5.4 vortex

Accepted Answer

I used it in a 2010 F150 with the 5.4 . It is one of the best oils on the market.

Question 4

How does this stand up to short trip driving? I read on a forum that is doesn not do well?

Accepted Answer

One could write a dissertation in response to this question but in short, Red Line is an "ester" based synthetic ( very few lubes are this way ) It is naturally multi-viscosity so it flows easily at low temps (startup) and stays thick at high temps. It covers the cylinder walls and piston rings with a film that protects at startup. It essentially stops sludge from forming (caused by condensation buildup on short trips, on long trips it is burned off) Don't believe the B.S. out there about Redline like it's bad for valve seals and such. Ester based synthetics are the best and to my knowledge only Redline and Amsoil are. P.S. if you are only keeping your vehicle for 50-100k miles use anything. I keep my vehicles for 200-300k miles and that's when "esters" show their stuff.

Manufacturer	Red Line
Brand	Red Line
Item Weight	2 pounds
Product Dimensions	8.77 x 3.99 x 3.76 inches
Item model number	RED15204
Is Discontinued By Manufacturer	No
Manufacturer Part Number	RED15204
OEM Part Number	15204
Viscosity	5W-20

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Red Line 15204 SAE 5W20 Fully Synthetic Motor Oil - 1 Quart

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