Ted Grady running our
1310 series CV at the 2004 Supercrawl
1350 Series CV vs 1310 Series CV
Many people express an interest in the 1350 series CV (double
cardan) type drive shafts. There seem to be a number of misconceptions out there
about this type of drive shaft. As with any other product there are upsides and
down-sides to the 1350 series CV drive shaft.
We have seen another web site touting the 1350
CV to be three times the strength of the 1310 series. This, We
believe to be incorrect. Relying on information provided by the
manufacturer of the components, our calculation is that the 1350
series joint is about 37.5% stronger than the 1310 series. The
1350 joint is rated for 2,200 pound feet (minimum elastic limit)
of torque. While the 1310 series (stock size for most Jeeps) is
rated for 1,600 lb/ft torque. The center pivot pin on the weld
yoke is the same size (.500"diameter) on both.
Flexibility & Durability
With unmodified components the 1350 series CV
will flex between 20 & 30 degrees prior to binding. This
variable will be due to inconsistencies in the castings, the
design and manufacturer of the components.
order to achieve greater flexibility in the drive shaft, we can
do some machine work to the CV components. Maximum flexibility
requires removing the sealing element in the center.
With most manufacturers components, the 1310 series will flex to
about 30 degrees before experiencing the bind. With some tough
off grinding to the CV components prior to assembly, this we can
usually attain a nominal 35 degrees of flexibility.
The center pivot point on all our1310 CV’s will have the grease
fitting, allowing for periodic re-lubrication. Some 1350 CV’s
will have the grease fitting and others will not.
Cost & Adaptability
A 1310 series CV drive shaft (Typical application) will have a base price of ~$269.00.
The 1350 series drive shaft would have a base cost of $469.00.
With either, you may also need to purchase a new out-put yoke for the transfer case.
If so budget another $60 to $150 for this depending on application.
We have many flange & yokes in stock and available for a wide
variety of transfer cases for either size drive shaft. The 1310
series is adaptable to more applications than the 1350 series.
Due to clearance issues, the physical size of the 1350 series
may restrict its use.
1350 Series CV Components
Free Shipping - click here for more
|Note: Most drive
shafts shown in photos are polished and clear coated, this finish adds
$25 the cost. We only recommend the polish & clear coat for show
vehicles or very dry climates.
Questions? Give us a call!
Tom Wood's Custom Drive Shafts |
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We reserve the right to change prices, or not sell an item, due to error in
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