putting 85 octane in a l67 for 100K - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat

General GM Chat When starting new posts, please specify YEAR, MAKE, MODEL, ENGINE type, and whatever modifications you have made. Chat about all things GM (and related cars). Off-topic stuff should be in the Lounge, and all Model specific mechanical problems should be posted in the proper forum.

Thread Tools Search this Thread
Old 12-08-2005, 01:14 AM   #11
Senior Member
Posts like a Camaro
Join Date: Jan 2004
Location: Colorado Springs C.O.
Posts: 851
Thanks: 0
Thanked 0 Times in 0 Posts
duffer26 is on a distinguished road

Originally Posted by jr's3800
Originally Posted by BillBoost37
The 95 manual says you can... but 85 octane? Where do you get a rating that low? Lowest around here is 87.
Wouldn't higher altitude have lower octane ratings for cleaner air?

I know in Colorado we had 85, 87 and I think 91<---- Highest we had...

Where is Duffer... He should know... Maybe they changed it on me...lol
you are corect 85 87 and the best at the pump is 91 can u guess what i use
duffer26 is offline   Reply With Quote
Old 12-08-2005, 01:45 AM   #12
Senior Member
Posts like a Camaro
Join Date: Apr 2005
Location: Grand Rapids,MI
Posts: 981
Thanks: 0
Thanked 0 Times in 0 Posts
Masterbm is on a distinguished road

Their is gas station about 7 miles from house that sells 105 octane , put in my corsica for before it went to thr crusher. The corsica had wicked rust problems on the frame it was only 94. IT was fun.
Masterbm is offline   Reply With Quote

Related Topics
Thread Thread Starter Forum Replies Last Post
Octane Points (Octane Boost) bandit General GM Chat 2 08-28-2007 11:21 PM
Stock Series 1 L67 octane test results willwren General GM Chat 20 08-24-2006 02:35 PM
85 Octane is fine for the non-L67 cars right??? Hans 1992-1999 4 04-07-2005 11:05 AM
SSEi rolled over 100k today... dbtk2 2000-2005 5 03-14-2004 07:35 AM
100k + preventative maintenance johnhanson2000 1992-1999 15 09-17-2003 04:05 PM

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

All times are GMT -4. The time now is 03:01 PM.

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.