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Torsion Bars #206917 01/28/09 05:07 PM 01/28/09 05:07 PM
Joined: Mar 2005 Posts: 393 Columbus, OH SixBBL69Boy OP enthusiast
SixBBL69Boy OP enthusiast Joined: Mar 2005 Posts: 393 Columbus, OH	I am a bit confused on if Hemi cars had larger torsion bars. I been reading things and from my understanding the a base Roadrunner came standard with heavy front suspension. Is this the same as if a hemi was ordered? Or was there an even larger bar? Any help would be great.

Re: Torsion Bars [Re: SixBBL69Boy] #206918 01/31/09 12:07 PM 01/31/09 12:07 PM
Joined: Feb 2007 Posts: 628 Mass M Mike Mancini mopar
Mike Mancini mopar M Joined: Feb 2007 Posts: 628 Mass	Hi Jason, My notes indicate the B-body Hemi torsion bars were left #781 & right #780 bars with diameter of .92 inches. The base Roadrunner w/ 383 used HD bars left #779 & right #778 bars w/ diameter of .90 inches In my parts book, the 780 & 781 bars are listed under Heavy Duty section and are specified for all 440, 426 applications and also under "extreme Duty" applications. The 778 & 779 bars are listed also under Heavy Duty for all applications except 440 and 426 engines. Hope this helps. Mike Mancini Michael L. Mancini American Muscle Car Restorations, Inc. 65 Foliage Drive N. Kingstown, RI Premium Quality Restoration Services for Hi-Performance & Classic Automobiles. OE Specialists. Instrument Specialties, Inc www.instrument-specialties.com www.manciniresto.com www.performancecargraphics.com

Re: Torsion Bars [Re: Mike Mancini] #206919 01/31/09 06:51 PM 01/31/09 06:51 PM
Joined: Jan 2006 Posts: 1,573 Rockford, IL. R Ruppman pro stock
Ruppman pro stock R Joined: Jan 2006 Posts: 1,573 Rockford, IL.	Quote: Hi Jason, My notes indicate the B-body Hemi torsion bars were left #781 & right #780 bars with diameter of .92 inches. The base Roadrunner w/ 383 used HD bars left #779 & right #778 bars w/ diameter of .90 inches In my parts book, the 780 & 781 bars are listed under Heavy Duty section and are specified for all 440, 426 applications and also under "extreme Duty" applications. The 778 & 779 bars are listed also under Heavy Duty for all applications except 440 and 426 engines. Hope this helps. Mike Mancini Plus 383 B and E cars automatically came with the 440/Hemi suspension (Xtra heavy duty) if they were equipped with an axel package like A31, w/3.91 gear or A36, w/3.55 gear ratio. Mark

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