I have researched this recently and have decided to go with Martin Jansen’s of Jule Enterprise for my BJ8P1 springs (same as those on the BT7). After my originals sagged after being re-arched, and now I am at the same low point with the new springs purchased from Moss about 10 years ago.
Remember, New Springs will need some time to settle before providing the proper height. If you start with the springs that provide the proper height, chances are they will be to low after settling.
In a conversation with Martin (owner of Jule Enterprise and designer of the Jule replacement Healey frame), Martin explained that the original Healey frames contributed a significant amount of torsion deflection and the lighter springs of the pre-BJ8 P2 produced less stress (and a softer ride) on the Healey’s original thin-walled frame.
As previously posted:
“The Jule frame is far stiffer with much less torsion deflection and, therefore, looks to the suspension to provide greater support. To satisfy this suspension requirement, the Jule rear springs are much beefier and, although they may provide a somewhat harder ride when mounted on an original frame, will maintain performance and road height for a far longer period. Since most of us will not race or, in fact, use our Healeys in a highly aggressive manor for an extended period, I would expect that the added stress of the Jule springs on an original frame will not contribute any measurable deficit. As far as having a harsher riding car, I see that as a non-issue also and anticipate a fitted Healey will still excel in comfort when compared to a ride in a Corvette or Porsche (in my opinion).”
I would suggest you go to
www.jule-enterprises.com and contact Martin. He is a very delightful and knowledgeable Healey guy and will discuss your specific spring objectives.
Ray (64BJ8P1)