Hydrolastic Top Arms on Dry Suspension
Discussion
The geometry of dry and hydro top arms differs very sligtly and I know (including keen PH members on this Forum) that they are sought after as an upgrade to the dry suspension set up. Please can somebody explain the differences and the advantages (mechanical advantage of arm over spring etc) of using them over conventional dry top arms. What performance advantage is gained......
I've got two pair of brand new top arms..... albeit dry ones and before I part with them to pursue the holy grail of hydro top arms I'd like to know I'm not wasting my effort.
If anybody has a pair of Hydrolastic top arms in good nick I'd also be very interested too.
Gareth.
I've got two pair of brand new top arms..... albeit dry ones and before I part with them to pursue the holy grail of hydro top arms I'd like to know I'm not wasting my effort.
If anybody has a pair of Hydrolastic top arms in good nick I'd also be very interested too.
Gareth.
Edited by fwdracer on Monday 2nd October 13:52
g
the hole for the knuckle joint sits about 5mm futher out than on the dry arm. this affects the leverage action of the arm and the cone and makes the suspension a little stiffer.
its a top mod and i sell a good few new hydro arms to the top irish rally lads - if it didnt work they wouldnt bother!
i think the extra weight of the sumpguard and what not has some bearing on why they are so keen on fitting them
rich
the hole for the knuckle joint sits about 5mm futher out than on the dry arm. this affects the leverage action of the arm and the cone and makes the suspension a little stiffer.
its a top mod and i sell a good few new hydro arms to the top irish rally lads - if it didnt work they wouldnt bother!
i think the extra weight of the sumpguard and what not has some bearing on why they are so keen on fitting them
rich
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