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How hard is it to install SFCs, bolt ons?

This is a discussion on How hard is it to install SFCs, bolt ons? within the Suspension and Handling forums, part of the General Help category; Unless you are going to be doing some serious drag or road racing boltins are fine. Yes, I do agree ...

  1. #21
    Member Frozen WS6's Avatar
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    RED, BLACK
    2001 WS6, 1998 TA

    Unless you are going to be doing some serious drag or road racing boltins are fine. Yes, I do agree that welding them in will make the chassis even more rigid, but you have to take into concideration what a person wants to do with there car. I've ran a 600 rwhp 69 camaro at the king of the street drag races for over 5 years with boltins with no problems. But when we put the 900 motor hp in it we welded them in for safety sake.

  2. #22
    Member Fastcar's Avatar
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    Dark blue metallic
    2000 TransAm

    Bolt-in types work perfectly fine, they don't shift around and the mounting holes won't get elongated if you bolt them in properly (make sure that the mounting bolts are torqued to the suspension part manufacturer's specs). The only experience I have is with UMI SFCs: they mount using existing screws and chassis holes, no drilling or cutting is needed....AND, you don't have to do any cutting of anything (such as heat shields, etc.). The only thing that you have to do to make sure the SFCs are not putting any unnatural loads on the car is first mount all the components with the screws NOT torqued down, just torqued enough to keep everything together. The final torqueing of all the bolts MUST be done with the car's weight on the tires, the way your car normally sits on a level road - that keeps the SFCs from inducing any abnormal 'twisting' of the body structure.

  3. #23
    Member Frozen WS6's Avatar
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    RED, BLACK
    2001 WS6, 1998 TA

    I have SLP's boltins and I didn't have to cut or drill anything either. They came with all the bolts and instructions also. I've been happy with mine.

  4. #24
    Senior Member ss~zoso~ss's Avatar
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    SS: NBM, tan top
    1998-SS, 2010 Jetta TDI

    RK sport weld ons, the work great, they are for verts tho

  5. #25
    whs
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    What do you guys do about repainting the underside after the welding is complete?

  6. #26
    Member Frozen WS6's Avatar
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    WHS, Once the area is ground down to bare metal, a good shop will spray it with some weld through primer. That will prevent a lot of potential rusting issues. Then you could spray it with some Dupli color touch up paint and that should do it. I did this method plenty of times at the bodyshop. Just remember once the metal is ground on it will have removed all of the galvonizing that GM did at the factory.

  7. #27
    Junior Member indiana hawk's Avatar
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    2-point bolt on's will work just fine for your car. Get the UMI's, that's what I put on my firehawk. They're easy to install at home. Just get you a piece of 1" thick plywood, cut it in 12"x12" squares, put 4 squares under each tire two squares at a time. This is how I did it. It gave me plenty of room to get under the car and it kept the suspension loaded, which is required for installing SFC's. I installed mine in an hour and that included jacking it and putting the wood squares under it.

  8. #28
    Senior Member Wheeler99WS6's Avatar
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    black, 05 Roush
    black, 99 T/A WS.6

    excellent idea. thanks
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  9. #29
    SUPREME member-oderator oneBADDz's Avatar
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    Quote Originally Posted by indiana hawk View Post
    2-point bolt on's will work just fine for your car. Get the UMI's, that's what I put on my firehawk. They're easy to install at home. Just get you a piece of 1" thick plywood, cut it in 12"x12" squares, put 4 squares under each tire two squares at a time. This is how I did it. It gave me plenty of room to get under the car and it kept the suspension loaded, which is required for installing SFC's. I installed mine in an hour and that included jacking it and putting the wood squares under it.
    I happen to have a spare set of rims laying around, they work great for putting under the tires when you needs the whole car up in the air also

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