I'm getting my boxed BMRs welded in tomorrow.

I heard on another board that a guy who had the same ones installed had alignment problems with his t-tops afterwards and the windshield was slightly flared inwards.

Do you think that this was due to a poor installation or is this to be expected with the SFCs? I'm going to have my mech. use his drive-on lift for the installation, so hopefully everything will work.

Have any of you with boxed SFCs had this problem?

 

If the chassis is twisted any when the car is being welded on, it will not untwist. If it's on a frame lift, it's going to be all f'ed up. Doing it on a drive on lift is the only proper way.

-Shannon

 

There should be no problems whatsoever. Actually, they will help to make sure that your car doesn't flex and have T-top or windshield problems. The key is to make sure that the car is level when the SFC's are welded up. The best lift is one that you can drive up on, that way you know it's level. If the car is on a four fork lift, and not supported evenly, you can imagine that when you weld the SFC's in, you are basically locking your chassis into a bent condition. We raised my car on the lift, and then lowered it onto solid concrete blocks that got the car up high enough to weld underneath. We still kept the lift forks under the car just in case, but they weren't touching the car. This may have been a little extreme, but I wanted to make sure the chassis wasn't tweaked when the SFC's were welded in. I have access to a lift 24/7, but I'm not sure your average muffler shop or garage will be willing to go through all this trouble.

:edit: Nomad, you beat me to the punch!

Dan

 

as others have said, proper installation is the key. the weight of the car needs to be on the wheels/chassis, so that the welds hold the car in that position.

i have the slp bolt-ons, and the weight of the car still needed to be like that for the install.

make sure you trust the shop/person doing it

and yes, sfc's are supposed to help the structural integrity of a t-top car