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03-28-2007, 06:19 PM | #1 |
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Oil
Kind of a stupid question, but what oil do u 350 guys put in ur motors? I dont have a manual to tell me / do u guys use the high performance or high milage? Thanks.....
Brad
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2000 GMC Sierra EXT Cab Short 4x4, finally mine... 1966 C10 SWB Fleet, 250 I6, three on the tree.... Previously Owned.... 1987 Chevy R10 "Silverado" (at least the badges were) Short Step 350 700r4.... 1972 Chevy LWB Fleet 350/350 EXTENDED CAB ALL THE WAY! .._..~...-...._...____ .._..-...______|_|__\____ ..-..~.|_(O)__|_|__|_(O)] |
03-28-2007, 06:39 PM | #2 |
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Re: Oil
anybody.....??
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2000 GMC Sierra EXT Cab Short 4x4, finally mine... 1966 C10 SWB Fleet, 250 I6, three on the tree.... Previously Owned.... 1987 Chevy R10 "Silverado" (at least the badges were) Short Step 350 700r4.... 1972 Chevy LWB Fleet 350/350 EXTENDED CAB ALL THE WAY! .._..~...-...._...____ .._..-...______|_|__\____ ..-..~.|_(O)__|_|__|_(O)] |
03-28-2007, 06:58 PM | #3 |
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Re: Oil
I'm using Royal Purple 20/50.
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72 C10 lwb fleetside -stock 350/350 combo |
03-28-2007, 07:11 PM | #4 |
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Re: Oil
for new engines and freash rebuilds i break in with 10-40quaker state then change to mobil one synthetic// old engines i stick with quaker state 10-40 regular oil because going synthetic after an engine has a couple of hundred thousand miles leads to leaks
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
03-28-2007, 07:13 PM | #5 |
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Re: Oil
Valvoline 10-40
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03-28-2007, 07:21 PM | #6 |
its all about the +6 inches
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Re: Oil
with the lack of zink in all the gassoline oils, I say stick to diesel oils. I run rotella 15/40 in mine.
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03-28-2007, 09:49 PM | #7 |
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Re: Oil
What does zinc have to do with lubricating an engine? First time I've heard of that.
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03-28-2007, 09:56 PM | #8 |
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Re: Oil
flat tapped cammed engines need the zinc
and im running havoline 20/50 right now but gona change to something else cause of the zinc does the kendal oil have good zinc content??? or am i better off with rotella
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-steven Alte Seele S.S. "Allison" '72 C/10 LWB 350SB/TH350 - DD PITBULL IS NOT A CRIME Last edited by GREASEMONKEY72; 03-28-2007 at 09:56 PM. |
03-28-2007, 10:42 PM | #9 |
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Re: Oil
according to 'Chevy High Performance' magazine, only diesel oils and racing oils have the ZDDP, or zinc phosphate additive at a level to sustain a flat tappet cam nowadays. Royal Purple tells me that they do and always will. My 454 just received a complete rebuild due to the cam, the oil, and my own bad luck. 25000 miles and cam knocked chunks off the lifters, they got up into the cylinders, so it's now .020 over and roller cammed. Supposedly you can use GM cam and lifter prelube at every oil change with any oil if ZDDP content of your oil is low. Royal Purple told me that if my engine would of had their oil in it, they would have covered cost of oil related failure. I don't know how true that is, but seems interesting.
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03-28-2007, 10:44 PM | #10 | |
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Re: Oil
Quote:
As for my answer to the question I run Mobil 1 full syn. in all newwer vehicals. H-D in the bike. RED LINE in any thing of perfomance nature. my .02 RJ22 |
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03-28-2007, 11:43 PM | #11 |
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Re: Oil
so valvoline racing oil has the zinc we need?
and all royal purple oil has it to? and does the kendal oil have the zinc we need?
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03-29-2007, 12:05 AM | #12 |
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Re: Oil
Im going to Royal Purple after I fix the mess Valvoline left me with another wiped flat tappet and lobe in my MkIV block.
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03-29-2007, 12:33 AM | #13 |
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Re: Oil
Rotella 15-30 w/ K&N filter...new engine.
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03-29-2007, 02:18 AM | #14 |
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Re: Oil
I've alwys used Valvoline in everything I have ever owned and never had a problem. Of course, I don't keep things too long either.
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-Scott- |
03-29-2007, 02:55 AM | #15 |
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Re: Oil
10-40 in mine. valvoline, halvoline, or quaker
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03-29-2007, 09:07 AM | #16 |
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Re: Oil
I have also read that the DIESEL OILs will also be reformulated to remove the ZDDP. Thanks to the EPA. So if you're running dino oils then get the GM cam break in lube everytime you change your oil.
-Lance |
03-29-2007, 12:00 PM | #17 |
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Re: Oil
I put 5w40 in mine. Change it every 90 days or 3000 miles...whichever comes forst.
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1992 1500 4x4 Shortbed 1984 Ford F250 Supercab Longbed 6.9L Diesel 1972 K10 Cheyenne Super Fleetside Short Bed - 350 - A/C 1971 VW SuperBeetle 1960 Wife 1984 Son 1986 Son 1989 Son Previous Trucks 1967 C10 SWB (1980-1981) 1971 C10 LWB (1998-2004) |
03-29-2007, 12:02 PM | #18 |
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Re: Oil
Hey....how does one know if they have a flat tappet engine. I have a stock 350...remanned by Jasper. I guess I could ask them.
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1992 1500 4x4 Shortbed 1984 Ford F250 Supercab Longbed 6.9L Diesel 1972 K10 Cheyenne Super Fleetside Short Bed - 350 - A/C 1971 VW SuperBeetle 1960 Wife 1984 Son 1986 Son 1989 Son Previous Trucks 1967 C10 SWB (1980-1981) 1971 C10 LWB (1998-2004) |
03-29-2007, 12:45 PM | #19 |
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Re: Oil
Amsoil 5W-30 synthetic in my 02 GMC and the wifes 02 Monte Carlo SS, Amsoil Synthetic Premium 10W-40 in my 68 and 70 Chevys (both are new motors, < 2000 miles each), and Amsoil Interceptor 2-Cycle oil and chaincase oil in the snowmobiles.
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