C3 Oil question

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Nov 16, 2007 | 07:37 AM

#21

rustbucket80

Racer

Joined: Jul 2004

Posts: 328

Likes: 0

Stick with what's in it already. Don't switch , that's when you run into trouble. I have 125,000 miles on my 76 and only used Pennzoil 10w-30 every 5000 miles. No problems yet.

Nov 16, 2007 | 07:39 AM

#22

pws69

Melting Slicks

Joined: Nov 2001

Posts: 2,668

Likes: 43

From: Eastern US XX

Quote:

Originally Posted by seasidec3

Hi i have a 1982 collectors edition and it has 60,000 miles on it. before i purchased it the previous owner used regular motor oil, and i would like to switch over to Mobil 1 synthetic oil. Will this have any negative affects? is there anything i should do before switching to the synthetic oil?

thanks
Andrew

One of the best things I did was switch to ALL Mobil 1 lubes in my 69 a few years ago. Wouldn't go back.

Nov 16, 2007 | 09:02 AM

#23

bmotojoe

Safety Car

Joined: Oct 2007

Posts: 4,364

Likes: 1,724

From: Seattle Area Washington

Quote:

Originally Posted by zwede

Old urban legend.

I suggest reading through this web site. Make note when you get to the area where there talking about Mixing Mineral and Synthetic oils - the new hotness, especially when they talk about the new seal technology compared to the original seals in our cars.
http://www.carbibles.com/engineoil_bible.html

Nov 16, 2007 | 12:29 PM

#24

pws69

Melting Slicks

Joined: Nov 2001

Posts: 2,668

Likes: 43

From: Eastern US XX

Just another man's opinions.

Bible

Nov 16, 2007 | 04:46 PM

#25

jerrylee

Pro

Joined: Jan 2006

Posts: 599

Likes: 0

From: New York

I broke my engine in which has a flat tappet cam with Castrol gtx then after break[-2,000-mile mark-]I added the redline n now 1,000 miles in she's running real sweet n hasn't lost a drop.....Jerrylee///