302 engine oil - Page 2 - Team Camaro Tech
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post #16 of 27 (permalink) Old Nov 29th, 16, 05:36 PM
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Re: 302 engine oil

Is it original or a new build? My understanding is the ZZDP is most important during break in and initial operation while the flat tappet cam is hardened. My 302 was built around 1985 and initially used Penzoil 20/50(I think). I changed to Mobile 1 20/50 and either Mobile 1 or K & N filters and have had no problems manifested. But that is a very old build and low mileage.

68 302 M20 - 85 IROC Z
The older I get the faster I was.
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post #17 of 27 (permalink) Old Nov 29th, 16, 05:43 PM
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Re: 302 engine oil

Why not make it easy and run the valvoline vr-1 racing in either 10-30 or 20-50 that you can buy at any national auto parts store, it has all of the numbers that you want

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post #18 of 27 (permalink) Old Nov 29th, 16, 06:08 PM Thread Starter
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Re: 302 engine oil

Quote:
Originally Posted by 1971ls6 View Post
Why not make it easy and run the valvoline vr-1 racing in either 10-30 or 20-50 that you can buy at any national auto parts store, it has all of the numbers that you want
Yes sir that is what I did. Thank you for the reply.
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post #19 of 27 (permalink) Old Nov 29th, 16, 06:39 PM
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Re: 302 engine oil

I believe the ZDDP need for FT engines is ongoing, notwithstanding how very important it is for break-in. The Delo 400LE 15w40 contains about 1300 ppm ZDDP and the Valvoline VR-1 contains about 1400 ppm according to the product data sheets. I think either would be good based on these measures. The Mobil Oil website advertises that Mobil-1 10w30 has 900 ppm, 15w50 has 1300 and Mobil-1 Racing oils 0w30 and 0w50 have 1850 ppm ZDDP. I can't say that I've seen the Racing version of the Mobil-1 oils. I seem to recall reading somewhere that oils for FT motors should have at least 1200 ppm.

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post #20 of 27 (permalink) Old Nov 30th, 16, 06:35 AM
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Re: 302 engine oil

Quote:
Originally Posted by The Camaro Guy View Post
Valvoline Racing 10w-30. JMO
X2, as it has good amounts of zddp and has great film strength. Use the silver bottle for street and not the black!
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post #21 of 27 (permalink) Old Nov 30th, 16, 07:05 AM
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Re: 302 engine oil

Quote:
Originally Posted by 1971ls6 View Post
Why not make it easy and run the valvoline vr-1 racing in either 10-30 or 20-50 that you can buy at any national auto parts store, it has all of the numbers that you want
I'm with ^^^^

Rob

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post #22 of 27 (permalink) Old Nov 30th, 16, 07:23 AM
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Re: 302 engine oil

Dont forget AMSOIL's Z-Rod oil in 20-50 or 10-30 very high ZDDP and film strength.

Also to the question of adding ZDDP additives to an oil, DONT... reason is the same as your grandma's cookies, if you added an extra scoop of sugar or raised the oven temp 15 degrees, it will change the taste of the cookies. Same with oil. They are extremely sensitive to how they are originally made. Adding something new WILL change the chemistry of the oil and its additives and it WILL void the original product warranty as well.

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post #23 of 27 (permalink) Old Nov 30th, 16, 06:11 PM
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Re: 302 engine oil

When O'Reilly's runs it on sale for $25 for either the 5 quart jug or 5 quarts, I buy it up, otherwise I think it is $6.50 - $7.50.

69 Copo 9560 ZL-1 automatic [email protected], 1.95 on f70-14 polyglas F.AS.T. Race June 2016
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post #24 of 27 (permalink) Old Nov 30th, 16, 06:16 PM
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Re: 302 engine oil

In the olden days, we used to break in any motor with a non detergent Amaile black label oil. The old days.
Didn't matter , what GM motor it was. DZ , Lt. LM, PP, those names didn't exist. Of course GM was using come chrome rings back then.

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post #25 of 27 (permalink) Old Dec 9th, 16, 05:34 PM Thread Starter
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Re: 302 engine oil

Thank you folks for the reply's and education. I just started messing around with cars again and things have changed some since the 70s,80s and 90s. This site and the Corvette site have been a wealth of information for me. Thank you !
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post #26 of 27 (permalink) Old Dec 9th, 16, 07:29 PM
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Re: 302 engine oil

I'm running a flat tappet lunati cam in mine and always used Kendall 10w 40 never had a problem
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post #27 of 27 (permalink) Old Dec 10th, 16, 11:14 AM
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Re: 302 engine oil

Valvoline VR1 10W30

1969 X66 396 LeMans Blue, M20, 373 (Sold)
1969 Convertible LS3 TKO 600, 373
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