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> Engine and Trans - Oil Recommendation
FastFroggy
post Dec 28 2015, 07:48 AM
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I am getting ready to do my first engine and trans oil change on my 914 track car. I run an accusump if it matters

Looks like previous owner was putting redline 15-50 in the engine. Book calls for straight 30w. I generally prefer Mobil One and was planning 15-50. Any thoughts?

Then for the transmission, book call for 90w. I was again planning for Mobil One manual trans oil. if I can find it. Any thoughts?

Thanks
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brant
post Dec 28 2015, 09:25 AM
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You need oil with zddp
It's debated whether mobile one has it or not
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Randal
post Dec 28 2015, 12:17 PM
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I've always used Kendell GT-1 in my racing engines as the zinc content is high. Never a bad experience. Swepco is my go to fluid for transmissions. BUT not even Swepco will keep you from buzzing the syncros in first to second or second to third shifts.
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FastFroggy
post Dec 28 2015, 04:58 PM
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I was just looking at the following reference info.

https://mobiloil.com/~/media/amer/us/pvl/fi...specs-guide.pdf

Looks like 15W-50 is rated for flat tappet applications.

Thanks for the assist.
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Cracker
post Dec 28 2015, 09:10 PM
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FWIW: I run Mobile One 15-50 in my LS 914 and my D-Sportsracer. It is cheap enough that I only run two-weekends with it and start afresh.

Tony
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Randal
post Dec 29 2015, 10:19 AM
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QUOTE(Cracker @ Dec 28 2015, 07:10 PM) *

FWIW: I run Mobile One 15-50 in my LS 914 and my D-Sportsracer. It is cheap enough that I only run two-weekends with it and start afresh.

Tony


Trusting you had a Merry Christmas and best wishes for the 2016 New Year!

You need to post some pictures of your D Sport on here as well. Video also welcome.
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FastFroggy
post Dec 29 2015, 10:23 AM
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Still on subject: has anyone tried 0w50 Mobil One Race Oil in a 4cylinder? Seems too thin. Just figured to ask. ZDDP is really high.

Thanks
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kupcar
post Dec 29 2015, 01:57 PM
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Froggy, if you like Mobile 1, then my recommendation would be Mobile V-Twin. The zinc levels are very good. I have also used Valvoline VR-1. Also good zinc numbers and a bit easier on the pocketbook than the Mobile. For the gearbox, Swepco 201. Hope that helps.
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Randal
post Dec 29 2015, 02:50 PM
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QUOTE(kupcar @ Dec 29 2015, 11:57 AM) *

Froggy, if you like Mobile 1, then my recommendation would be Mobile V-Twin. The zinc levels are very good. I have also used Valvoline VR-1. Also good zinc numbers and a bit easier on the pocketbook than the Mobile. For the gearbox, Swepco 201. Hope that helps.


That's the oil that Mat Lowrance recommends, i.e., Mobile V-Twin. He's a big time engine builder in Reno.
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jmill
post Dec 30 2015, 01:52 PM
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QUOTE(brant @ Dec 28 2015, 09:25 AM) *

You need oil with zddp


(IMG:style_emoticons/default/agree.gif)

Unfortunately, I grenaded an engine with a high lift flat tappet cam before I knew the additive was removed.
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jmill
post Dec 30 2015, 02:07 PM
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Mobil 1 has it but at about half the levels of V twin or their racing oils.



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FastFroggy
post Dec 31 2015, 07:15 AM
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Well understand ZDDP is needed. Question is how much. 15W-50 is listed at 1200phos and 1300zinc... I am nervous about it but the Mobil 1 guide does say "HT/HS applications, Racing and Flat tappet applications.". Question is how much is necessary? I filled with 15w-50 for now. Doing my first once thru on all systems. Will look to change probably after one or two events anyway.
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Cracker
post Dec 31 2015, 08:02 AM
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Kermit: Is this a 2, 4, 6, or 8 cylinder?

Randal: Here you go...this car has a full CF body (2 clips) and Stohr wing. Lots of fun...NOW, back to the oily discussion. This is more fun though... (IMG:style_emoticons/default/poke.gif)

Tony

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QUOTE(Randal @ Dec 29 2015, 11:19 AM) *

QUOTE(Cracker @ Dec 28 2015, 07:10 PM) *

FWIW: I run Mobile One 15-50 in my LS 914 and my D-Sportsracer. It is cheap enough that I only run two-weekends with it and start afresh.

Tony


Trusting you had a Merry Christmas and best wishes for the 2016 New Year!

You need to post some pictures of your D Sport on here as well. Video also welcome.
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Randal
post Dec 31 2015, 12:40 PM
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Nice chassis (IMG:style_emoticons/default/icon8.gif) but keeping on topic, which oil you running in that GSXR? (IMG:style_emoticons/default/biggrin.gif)

Oh, you have tunnels on the DSR, very impressive!
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campbellcj
post Dec 31 2015, 09:13 PM
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My builder also uses the V-Twin. I've used that, and Brad Penn.
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eimc
post Jan 1 2016, 09:37 AM
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QUOTE(FastFroggy @ Dec 28 2015, 06:48 AM) *

I am getting ready to do my first engine and trans oil change on my 914 track car. I run an accusump if it matters

Looks like previous owner was putting redline 15-50 in the engine. Book calls for straight 30w. I generally prefer Mobil One and was planning 15-50. Any thoughts?

Then for the transmission, book call for 90w. I was again planning for Mobil One manual trans oil. if I can find it. Any thoughts?

Thanks

Use Sweepco in trans and never have to worry
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brant
post Jan 1 2016, 10:40 AM
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Change motor oil after every race.

I'm currently using redline (lt wt shockproof) in the trans and having great results
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PotterPorsche
post Mar 7 2016, 10:14 PM
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Brad penn 10/30 20/50 up to you, high ziinc content.


http://www.ebay.com/itm/Brad-Penn-Grade-1-...%3D200591297651



$6.50 a quart shipped.
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FastFroggy
post Mar 13 2016, 05:25 PM
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thanks.... great price too!
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