I changed the valve head gasket on the drivers side, along with all the coils and plugs (on that side). As well as cyl 1 on the passenger side because it was throwing me a misfire code.
At about 40+ mph the rpm drop down to 1500ish and the car starts to vibrate.
If I give it more gas to kick it back up to where the rpms are while I accelerate (2k-3k), its smooth as butter... It only happens to shake when the tach needle settles.
Its a 2002 LS V8.
Hopefully its not a big...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.