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Help with subframes

This is a discussion on Help with subframes within the Suspension and Handling forums, part of the General Help category; Are any of the subframes vastly different from the others? If I purchase the weld-on set, how much would it ...

  1. #1
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    Help with subframes

    Are any of the subframes vastly different from the others? If I purchase the weld-on set, how much would it cost to have done?

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    Senior Member greatwhiteZ28's Avatar
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    go to any local speed shop or muffler shop and weling shouldnt be more then 80+

    well there is boxed, tubular, bolt in , weld in, and i think short ones and long ones

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    2004 HEAD/CAM CTS-V 9t8z28's Avatar
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    also 3 point and 2 point

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    Member Transam388's Avatar
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    Do weld in as you are not putting any holes into your car to possibly weaken the structure. Weld will also have more true contact to the joining surfaces to make it much more strong. If you do not plan on any real heavy duty racing or horsepower upgrades the standard two point like the Hotckis should be fine. If you plan on some heavy duty racing and upgrades might be worth going to the diamond brace style that not only go front to back but meet in the center of the car as well like I think Spohn and SLP have some.
    Last edited by Transam388; 09-25-2007 at 02:29 PM. Reason: detail to particualr part type
    98 T/A: HPE 5.3 Heads, 238/242 113 cam, Kooks 1 7/8 stepped LT headers, Custom Y pipe, Cut out, Borla, NW 90MM TB, FAST 90MM Intake, TB Bypass, Under Drive Power steering and Crank, 150 Dry NOS, Yella Terra rockers, 3400 TC, HPE tuning,

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    good question, so weld in is better than bolt on? i didnt realize you had to drill holes to bolt them in

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    old timer blue02Z's Avatar
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    i got BMR tubular weld in. my exhaust shop back home did it for 50 bucks

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    Quote Originally Posted by patriot1136 View Post
    good question, so weld in is better than bolt on? i didnt realize you had to drill holes to bolt them in
    I have the three point bolt ins from Slp and they didnt require drilling any holes. All the holes were already in the car.

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    Thanks

    Thanks y'all.

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    Senior Member greatwhiteZ28's Avatar
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    asked a iron work about this, and he said "back then when doin a building were just bolted in or rivited. but there would be 50 I beams on each floor spaced about 5 feet apart. then welding came in the picture and there were like 25 I beams and spaced 10 feet apart for the same floor.

    this gives you an idea of why weld in are stronger

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