Home
What's new
Latest activity
Authors
Store
Latest reviews
Search products
Forums
New posts
Search forums
What's new
New posts
New listings
New products
New profile posts
Latest activity
Members
Current visitors
New profile posts
Search profile posts
Log in
Register
Cart
Cart
Loading…
What's new
Search
Search
Search titles only
By:
New posts
Search forums
Search titles only
By:
Menu
Log in
Register
Navigation
Install the app
Install
More options
Change style
Contact us
Close Menu
Forums
Cobra Forums
SVT Shelby GT500
1 degree of knock I’m going
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Message
<blockquote data-quote="MelloStang2010" data-source="post: 16231761" data-attributes="member: 180084"><p>Most likely false knock, I dealt with 3 degrees of knock ever since I started modding the car and showed up no matter what I did even blending in 2 gallons of 110 ocatane with my 91. Surprisingly what fixed it was a blower swap and motor mounts, probably the latter. The exhaust manifolds were touching something that was causing the knock sensors to pick up harmonics and the motor mounts gave me the clearance I needed I guess. Check to see how close your header primaries on the passenger side come to the ac bolt. There is a stud that sticks out towards the manifolds that can easily touch when the engine torques over under wot and cause false knock. Really stiff suspension can also cause it along with the MAF being loose and rattling against the air housing so maybe look into those things too.</p></blockquote><p></p>
[QUOTE="MelloStang2010, post: 16231761, member: 180084"] Most likely false knock, I dealt with 3 degrees of knock ever since I started modding the car and showed up no matter what I did even blending in 2 gallons of 110 ocatane with my 91. Surprisingly what fixed it was a blower swap and motor mounts, probably the latter. The exhaust manifolds were touching something that was causing the knock sensors to pick up harmonics and the motor mounts gave me the clearance I needed I guess. Check to see how close your header primaries on the passenger side come to the ac bolt. There is a stud that sticks out towards the manifolds that can easily touch when the engine torques over under wot and cause false knock. Really stiff suspension can also cause it along with the MAF being loose and rattling against the air housing so maybe look into those things too. [/QUOTE]
Insert quotes…
Verification
Post reply
Forums
Cobra Forums
SVT Shelby GT500
1 degree of knock I’m going
Top