 Oil change, any ideas on what oil to use?? |
 Apr 10, 2006 - 9:38 AM
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Enthusiast Joined Mar 13, '06 Currently Offline Reputation: 0 (0%)  |
I have a 1990 celica st185 gt4 I want to do an oil change but not sure what oil to use, its done 159.000 miles can anyone help??
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Apr 11, 2006 - 12:36 PM
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Enthusiast  Joined Jan 17, '04 From Illinois Currently Offline Reputation: 0 (0%) |
7.5 hp on a 500+ hp car? That range is within the difference you would get between dyno runs with NO changes. BTW, where is the source of that information?
Here is a link for you: dyno testing different oils Notice that the primary differences depend on oil weight. They only tested a 20w-50w mineral oil and 9 different synthetics. Simalarly weighted synthetics showed about a 4whp difference - about 1% and within the margin of error of the dyno. There are VERY good reasons to use synthetic oil. Gaining horsepower is not one of them. This post has been edited by jgreening: Apr 11, 2006 - 12:37 PM -------------------- QUOTE(lagos @ Jul 10, 2006 - 1:55 PM) [snapback]454118[/snapback] i know your trying to do the right thing for your motor, but this is one of those times where you should just trust the guys who have had their swaps for a while and have done a ton of research into this. |
Posts in this topic
Ronnie5 Oil change Apr 10, 2006 - 9:38 AM
Negative QUOTE(Ronnie5 @ Apr 10, 2006 - 2:38 ... Apr 10, 2006 - 10:07 AM
Ronnie5 QUOTE(Negative @ Apr 10, 2006 - 4:07... Apr 10, 2006 - 10:15 AM purplegt4 10w-30 Apr 10, 2006 - 10:11 AM CelicaZR I use 5w/30 fully synthetic oil for mine.
But your... Apr 10, 2006 - 10:47 AM Ronnie5 QUOTE(CelicaZR @ Apr 10, 2006 - 4:47... Apr 10, 2006 - 10:49 AM Silver94CelicaOwner I know Castrol Syntec is usually cheaper than Mobi... Apr 10, 2006 - 11:04 AM Ronnie5 QUOTE(Silver94CelicaOwner @ Apr 10, 2006 ... Apr 10, 2006 - 11:11 AM Negative QUOTE(Silver94CelicaOwner @ Apr 10, 2006 ... Apr 10, 2006 - 11:20 AM Ronnie5 QUOTE(Negative @ Apr 10, 2006 - 5:20... Apr 10, 2006 - 11:44 AM playr158 well if you can afford it REDLINE is a great synth... Apr 10, 2006 - 12:51 PM Ronnie5 QUOTE(playr158 @ Apr 10, 2006 - 6:51... Apr 10, 2006 - 1:05 PM Negative QUOTE(playr158 @ Apr 10, 2006 - 5:51... Apr 10, 2006 - 3:45 PM playr158 it was proven via dyno test...base run was stock o... Apr 10, 2006 - 8:49 PM playr158 http://www.bits-pieces.com/pages/whyredline.html
... Apr 11, 2006 - 12:44 PM jgreening QUOTE(playr158 @ Apr 11, 2006 - 12:4... Apr 11, 2006 - 6:40 PM |
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