it wasent pinging that your hearing it was more then likely valve slap. That where the vavle hits the top of the piston at Top Dead center, nothing to be to concerned about.
87 octane ?
is regular 87 ocatane good for my 3.9 2004, im using 93 super right now but im not sure if i need to be?
- Status
- Not open for further replies.
1 - 1 of 10 Posts
1 - 1 of 10 Posts
- Status
- Not open for further replies.
Join the discussion
Ford Mustang Forum
A forum community dedicated to Ford Mustang owners and enthusiasts. Come join the discussion about performance, builds, modifications, reviews, engine swaps, classifieds, troubleshooting, maintenance, and more!
Full Forum Listing
Explore Our Forums
Top Contributors this Month
View All
Cobrajet67
302 Replies
Forddenial
166 Replies
my89foxbody
100 Replies
Recommended Communities
Join now to ask and comment!