Convertible Leaf Springs

[dylo]

I found the below reference on another forum and for my 70 convertible it matches my leaf spring part number. The thing I'm wondering is why would the convertible have a different part to a hard top and if so what are the differences?


3400014 - L&R '70 e-body 318/383 2bbl
3400015 - L&R '70 e-body convertible 318/383 2bbl
3400044 - L&R Possibly S13 optioned e-bodies (4-1/2 leaf springs)
3400045 - L&R '71 e-body convertible 340/383
3400048 - L&R '70 340+6 T/A & AAR
3402345 - L&R '71 318 Barracuda Convertible
3643594 - L&R '72-'74 e-body 318/340 w/rallye suspension
3400024 - RH '70 - '71 e-body standard on Hemi & 440's. Optional with performance axel package
3400034 - LH '70 - '71 e-body standard on Hemi & 440's. Optional with performance axel package

2539794 - LH 6-leaf '68-'70 b-body w/440&HEMI (some not all) and '71 b-body w/DANA (or some  w/G60-15s not all)
2539964 - RH 7-leaf '68-'70 b-body w/440&HEMI (some not all) and '71 b-body w/DANA (or some w/G60-15s not all)

[6bblgt]

a convertible is heavier than a hardtop version     springs would have a little higher spring rate in an attempt to keep all things equal

[JH27N0B]

The springs on my '70 383 convertible are 3400044's.  I haven't owned the car since new, but still, I'd be surprised if they aren't the original springs.

[Cuda_mark]

We're the spring for a HEMI vert vs hard too different?


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[dylo]

Good question, i wouldnt know the answer. You'd have to inspect one of the very few 'vert Hemi's!

I have updated the top list to include more part numbers i have found, to keep them in one place.

[DeathProofCuda]

As has been discussed here before, the 024 and 034 springs didn't come only on hemi and 440 cars.  383 and I believe 340 cars could also be equipped with the "Hemi" springs if they were ordered with a performance axle package.  My 70 383 Cuda was originally equipped with 024/034 springs and they are listed as such on the broadcast sheet.