How much vibration is normal after mods

[ironpeddler]

I installed a whipple 3.4 with lethal's lowering kit that includes some stiffer engine mounts. Also installed a DSS driveshaft and ARH 1-7/8" headers. There is a small but noticeable vibration when you hold onto the steering wheel now. It is nothing that is like HOLY SHIT this is vibrating a ton but it is small and noticeable. Nothing that would make it undrivable by any means. For those who have done this, is the vivration normal when you install some stiffer engine mounts and a couple hundred horsepower?? If it's not normal then what could it be? Steering shaft is not touching the headers. Thanks

 

[Gatti-man]

Your stiffer engine mounts are the culprit. I hope someone told you to expect that before you installed them.

 

[97cobra1]

Your stiffer engine mounts are the culprit. I hope someone told you to expect that before you installed them.

This. Typical stiffer than OEM anything = vibrations of some sort.

Mounts, SFC's, bushing, etc.

 

[ironpeddler]

That's cool. I expected something like this. Just wanted to make sure it was normal and everything is ok.

 

[heffs03mach1]

check my thread on this issue it was a very unexpected thing and had me freaking out for a min.
http://www.svtperformance.com/forum...d-vibration-engine-after-whipple-install.html

 

[sfadchi]

Yep it's normal

 

[mullens]

It's the 1-piece driveshaft.

 

[Gatti-man]

It's the 1-piece driveshaft.

Not if he is just idling.