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| ebxr82nv |
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I'm after a good 10W- whatever oil any recomendations?
_________________ 9/98 AU1 XR6hp-about to retire from the road and be reborn on the race track. |
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| shav |
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I use Nulon High Tech Fast Flowing 10w/40. Its a full Synthetic
_________________ Cheers |
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| ebxr82nv |
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thats along the lines of what I'm looking for, thanks mate
_________________ 9/98 AU1 XR6hp-about to retire from the road and be reborn on the race track. |
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| TROYMAN |
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penrite syn 10?? 10w 50 fully synthetic
or penrite hpr 10..10w 50 semi synthetic |
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| the_scotsman |
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I use Shell Helix Plus 10W-40.
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| tickford_6 |
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Posts: 6449 Joined: 11th Nov 2004 |
why are you only worried about the cold number?
your engine spends more time hot then cold. |
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| ebxr82nv |
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not so much worried about the cold side. Just didnt want to confine it to only asking about say a 10w-40 oil, more interested in the broader picture.
the motor is an au1 with 70000km and wont be stock for to much longer. What do you suggest?
_________________ 9/98 AU1 XR6hp-about to retire from the road and be reborn on the race track. |
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| tickford_6 |
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Posts: 6449 Joined: 11th Nov 2004 |
i use 5w30 in my AU2
and used it in my old EF aswell. it's to much in fuel to use a 40 or 50 |
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| KWIKXR |
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Shell Helix Plus 10w40 has been pretty good to me so far, been using that in my EF and i'll keep using it
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| Mr.Kiss |
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I use Penrite SIN 0w50. seems to be alright. been using it for 2 years/40,000km's
_________________ My Cars |
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| DRHEMI |
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I have ALWAYS used 10w 40 Magnatec in my EF Fairmont which did 305,000klms
Just pulled motor out for a freshen as it was out anyway as all the Cam Chain Guides broke  mechanic was very impressed with the internals - i told him it was due to the Magnatec - he laughed
_________________ PROEF 13.46 @ 105.78mph - 1994 Ford Fairmont EF NA 6cyl Man 3.9 diff Sedan |
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| fordman351 |
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tickford_6 wrote: i use 5w30 in my AU2 and used it in my old EF aswell. it's to much in fuel to use a 40 or 50 The second number in the oil weight is the oils ability to maintain viscosity when hot. The higher the number doesn't mean a thicker oil, it just means that it protects the internals better at higher temperatures. Even if the oil was a little thicker, it's going to do diddly-squat to your fuel economy, you really would be splitting hairs to see the difference. |
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| tickford_6 |
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Posts: 6449 Joined: 11th Nov 2004 |
fordman351 wrote: tickford_6 wrote: i use 5w30 in my AU2 and used it in my old EF aswell. it's to much in fuel to use a 40 or 50 The second number in the oil weight is the oils ability to maintain viscosity when hot. The higher the number doesn't mean a thicker oil, it just means that it protects the internals better at higher temperatures. Even if the oil was a little thicker, it's going to do diddly-squat to your fuel economy, you really would be splitting hairs to see the difference. Try loosing 100km per tank going from 5w30 to 15w40. then going back to 5w30 and getting that 100km per tank back. you're a little off with the second number. it all relates back to SAE grading, a 5w30 when cold has the properties of a cold SAE 5, when hot it has the properties of a HOT SAE 30. and xW40 has the properties of a HOT SAE 40 regardless of what the first number says. There is a reason engines make more power with thinner oils, reduced oil drag, the pump doesn't have to work as hard to move the oil ect. Viscosity is a measure of the oils resistance to flow. Nothing more then less. You're second mistake is thinking the viscosity of the oil is the main factor in its ability to 'protect' components. |
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| fordman351 |
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My mistake.
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| JoeXR6 |
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Age: 43 Posts: 387 Joined: 30th Nov 2007 Ride: AU111 XR6 VCT Supercharged Location: Brisbane |
Is it really that bad to swap and change oils? I've read that if you've used a certain oil, that you should stick with it...
My AU VCT engine (supercharged) has been run its whole life on Penrite HPR15, which I think is a 15w60. This was recommended by the engine builder who fitted the supercharger. This seems really quite viscous to me? From memory I think the standard engine requires 5w30. I would like to experiment with some lighter weight oils (for economy and power), specifically a good quality 5w30 oil. I've not tried yet as I've heard that swapping around is a bad idea... Anyone know the reality of this? What are the facts? Joe
_________________ FOR SALE! - Supercharged AUIII XR6 VCT, intercooled, T5, big brakes.... details in the 'For Sale' section - ford-parts-for-sale-f17/fs-supercharged-au-xr6-vct-series-iii-intercooled-rwc-rego-t114254.html |
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