torsion bar size?
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Thread: torsion bar size?

  1. #1
    Full Member Darren's Avatar
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    torsion bar size?

    hey guys I am getting ready to order my torsion bars, my car is a 68 dart 440, the car will be street driven what would be a good size of bar?* I was thinking of 0.890 thanks

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  3. #2
    Senior Member fourspeed's Avatar
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    Re: torsion bar size?

    .890 is what I bought for my small block. I also have a 1-1/8 anti sway bar.

    .890 was the size that was used in the 383 cars. If I were you, I would consider larger bars. A lot of guys with big blocks like the .920 bars, and even bigger.
    My Cars: www.fourbarrel.com
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  4. #3
    Administrator Jim_Lusk's Avatar
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    Re: torsion bar size?

    We have run .890" in my son's Dart convertible and my old hardtop (440/4sp) with a factory big block sway bar. I am happy with the way the car handles, but.......

    My other son's Barracuda (383/4sp) had .990" and now has 1.14" bars. He went from stock big block sway bar to bigger front and a rear bar. I never drove the car much with the 1.14's, but .990's were not objectionable and the car handled really well.

    I will with something from .920" to .990" in my Barracuda convertible.

  5. #4
    Dono
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    Re: torsion bar size?

    When I got mine the .890's were intergalactic back order from ma mopar. I when with the .990's and freeking lover them with the big block and four speed. Truly the best bar i have run for a big block A body.

    Just my views.

  6. #5
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    Re: torsion bar size?

    i went to the .990 with just the 6er in there now and i loved them, pretty stiff at first, but after about a year of break in, they softened up alot, they are still alittle stiff for my taste but after the 512 gets droped in there, i think it will be perfect, i would go with the .990
    72 duster, getting a 512, looking for a 67-69 cuda to put it in instead

  7. #6
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    Re: torsion bar size?

    I'm running the .920 bars in my Dart with a 440 in it. I think it rides perfect. No sway bars on it and body roll isn't bad either. I wish my Ram 1500 4x4 rode as nice as the Dart does.
    1975 Dodge Dart Sport - 440
    1973 Barracuda 340
    2000 Dodge Ram 1500 QC 4x4

  8. #7
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    Re: torsion bar size?

    I have 1 inch bars from Firm Feel, 383 block, front sway bar. I like the way the car drives and handles. Doesn't seem harsh at all to me.
    -Jay

  9. #8
    Senior Member guzzimike's Avatar
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    Re: torsion bar size?

    .920 with 383. ADDCO front Sway Bar.

    Good handling for this daily Driver.

  10. #9
    Junior Member dennis's Avatar
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    Re: torsion bar size?

    where do you guys get the 990's? and are there any bigger ones? dennis
    dennis

  11. #10
    Administrator Jim_Lusk's Avatar
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    Re: torsion bar size?

    Current MP bars:
    5249148 .810" diameter-drag race applications 298.50
    5249149 .870" diameter-restoration for 340 cars, improved slant 6, 273 and 318 handling. 298.00
    5249150 .890" diameter resto, for 383 cars, improved "A" engine handling 298.00
    5249151 .920" diameter- performance handling,solo racing. 298.00
    5249154 1.090" diameter-1/4 or 1/2 mile circle track racing. 148.50

    Current Firm Feel bars:
    .820 82 Drag Racing $295
    .880 115 Street/Strip $285
    .940 155 Stock HP/Police $285
    1.00 195 HD/Street $285
    1.06 252 HD/Race $300
    1.12 300 Race $300
    1.18 370 Race $325

  12. #11
    Administrator Jim_Lusk's Avatar
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    Re: torsion bar size?

    Looks like time to buy some 1.09 MP bars........

  13. #12
    Senior Member fourspeed's Avatar
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    Re: torsion bar size?

    Quote Originally Posted by Jim_Lusk
    Looks like time to buy some 1.09 MP bars........
    That's just what I was thinking!
    My Cars: www.fourbarrel.com
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  14. #13
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    Re: torsion bar size?

    Have a 1972 demon with 512, alum, heads,intake water pump housing, pump. glass hood. I went with 890. bars, 1.25 sway bar, rear bar .750 . and car weight 3100 it rides and handles great.

  15. #14
    BBD LEGEND abodyjoe's Avatar
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    Re: torsion bar size?

    as per jims recomendation i put .920's in jamies small block dart and it rides/handles very nice.

  16. #15
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    Re: torsion bar size?

    If it's a street car I would put in the .920 bars and a sway bar and call it done.

  17. #16
    BBD LEGEND jamesdart's Avatar
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    Re: torsion bar size?

    where is that pricing from jim? i have 920s in my 69 and i would like to go bigger.

  18. #17
    Full Member my64dart's Avatar
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    Re: torsion bar size?

    Hi,
    I bought & installed the 1" torsion bars from Firm Feel. I like the way my car rides. I would recommed them. There made in the USA.
    Jim
    383 stroked to 432c.i. / 440Source Stroker / Edelbrock RPM heads / 750 Holley / Torker Intake / Lunati VooDoo cam / Dynamic 9.5 converter / Cope Racing Trans / 3:55's with a suregrip /I'm Always Working On Something

  19. #18
    Administrator Jim_Lusk's Avatar
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    Re: torsion bar size?

    Quote Originally Posted by jamesdart
    where is that pricing from jim? i have 920s in my 69 and i would like to go bigger.
    I'm not sure on the MP bars. I just did a search and it came up with the site. The Firm Feel bars are from the Firm Feel site.

  20. #19
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    Re: torsion bar size?

    .920's here too. With the 440 (which my car has), I wouldn't go w/ any smaller diameter.

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