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Topic: OEM xhd leaf springs or SS springs? (Read 451 times)
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FredDart
Jr. Member
 Offline
Posts: 88
BigBlockDart.Com
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Should I go with the OEM leaf springs or SS springs on a street driven small block? I figure that at 100$ a piece, I should go new instead of re-arching my 225 springs and adding a leaf....
For traction I have a pinion snubber, should I keep my stock shackles?
Thanks
Fred
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jet-taz
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go with the hd units
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69 dodge dart/440 former god over 1200 post on old site
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GON_RACIN
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BEWARE that the mancini brand XHD leaf springs for A bodies are biased, and will you make your car sit crooked.
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PureGTS
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SS springs are stiff and may even require some creative installation techniques just to get them in. XHD is just that; Extra[i][/i][u][/u] heavy duty. Not semi HD, not used to be HD, but X-HD. It's all about spring rates. As I recall, the SS 002 & 003 springs are 160# P/inch. STD springs are generally around 100# p/inch, depending on model, as in it takes 100# to compress the spring 1 inch. SS's can and will make the rear of the car ride like a buckboard. Not really the choice for cruising, unless your boble-head doll in the back window likes getting headaches and whiplash.
A bias to one side (R) is generally better to help control the engine's torque and evenly plant both tires. On launch the car wants to put more weight on the rear right as the engine torques over to the right taking the front left with it. With the heavier bias, the weight transfer is more distributed to the left as well. Increasing traction and control.
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Knowldge is power, power is speed, speed is good, low E.T. is better
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b569rr
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I installed the XHD on my RR street car. It rides like an empty dump truck. On the bright side I don't have any wheel hop.
Tom
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sperrydan
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wich one has a higher lift off the ride hight. I nee to get my wheels out of my wheel well more to get better tire clearance and i am building a 80% drag 20% street car
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GON_RACIN
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the biased XHD's will make the car sit around 1 inch or so higher on one side, and closer to 2 inches on the other
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demon340v
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i run SS springs on my Daily Driver Demon, i love them!!! although i do have traction problems now but that's due to a much higehr gear ratio then my stock 3.23 i sued to have
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Alyways Imitated..Never! Duplicated~ Project El Diablo (71 Demon)  |
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WRTMOPAR70
Jr. Member
Offline
Posts: 53
BigBlockDart.Com
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do the ss springs sit higher than the xhd ones
what is recommended for s street strip four speed car
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383 4 SPEED DANA 60
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