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.
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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 446 auto
    1973 Barracuda 340 auto
    2006 Dodge Ram 2500 Mega Cab 4x4 Cummins

  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!
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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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