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Old 02-27-2006, 06:42 PM
Ant Ant is offline
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Default Lifter wear

I am running Schubeck ceramic solid flat tappet camshaft, I have read posts where the only part that wears with this setup is the camshaft, so if my camshaft lasts 20-30000 miles that will be fine as I will probably give the engine a freshen by then.

Oil, I have been in touch with the Motul rep, and 15w-50 300 competiton did really well in some tests, better than Castrol RS 10W-60, the reason is simple Motul is full synthetic like Amsoil oil and a couple of others, derived from Coconut Oil, the Motul 15w-50 has an additive to give it reasonably change interval, but if racing etc its obviously a good idea to change it more often, maybe max 2000 miles of mixed use road race use, or if it gets dirty. This stuff aint cheap probably about USD$150 per change. Apparently Motul follows closely behind Amsoil for Zinc/Phospherous, and this can deplete after 1000 hot hard race miles, that is a lot of racing!

Another precaution but a hassle my engine is dry sump so I can prime off the electric drill with drive belt removed, will do that if it hasnt been going for a period.
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Last edited by Ant; 02-27-2006 at 06:45 PM..
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Old 02-28-2006, 10:08 AM
cfm cfm is offline
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Oil Analysis' with Zinc !
Now, this doesn't mention all oils, but a good amt of them.

http://www.bobistheoilguy.com/voalibrary.html

Also check out homepage for more stuff.
http://www.bobistheoilguy.com/index.html

Rotella
http://63.240.161.99:8080/bitog/voa...tella-15w40.jpg

Mobil 1 15-50
http://63.240.161.99:8080/bitog/voa...-1-ep-15w50.jpg

Mobil 1 20-50 V Twin
http://63.240.161.99:8080/bitog/voa...-twin-20w50.jpg

GM EOS
http://theoildrop.server101.com/cgi...c;f=11;t=000243

===========================
This should nearly end our mission and with that I'm leaving. I don't have a Cobra. Darn !

Again, just wanted to help out since one of you guys also posted over at the Shell Oil forum looking for answers from them.

Keep up your good work and enjoy those beautiful Cobra's !

CFM
- Scott
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Old 02-28-2006, 12:00 PM
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Default Cfm

Some of the links do not go. Could you re-post? Thanks eventhough I have a headache reading those charts.
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Old 03-04-2006, 01:36 PM
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Default Stock UP

I went out today and bought a whole bunch of Mobil 1 15W-50. All of it is rated SL/CF which has a good amount of zinc - 1376 ppm per the Bob Oil Guy website. That is a great site by the way. There appears to be a lot of the old stuff on the shelf still, at least in Las Vegas. In fact, I could not even find the newer SM rated oils except for a 0W-40. At least I now have time to investigate different products.
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Old 03-23-2006, 06:58 AM
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I called Comp Cams to see what oil they recommended for flat tappet cams after break in. The tech rep said the break in is the most critical part. Once the cam is broke in you can use any premium oil you choose.

I searched Bob The Oil Guy

Zinc

Mobil1 .858
Brad Penn .861
Shell Rotella 1.218
RedLine 1.350
Chevron Delo 1.362
Mobil MX4T 1.802
Royal Purple 1.901
STP oil treatment 1.959

I contacted Mobil Oil about using Mobil MX4T Motorcycle oil in a high performance engine using a flat tappet cam. They said the Mobil MX4T would be an excellent choice due to the high zinc content.
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Old 03-23-2006, 07:09 AM
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Good stuff!
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