spring source??

[foggy]

Haven't found a coilover spring, other than DB. Curious, who makes a
usable 105-125 lb/in 1-7/8 ID x 12" length coilover for elan fronts.

Thanks, all
Steve

["C.D.S."]

Hello Steve,

hypercoils - http://www.hypercoils.com has a 125lb 1.875" ID with a
12" free length in their catalog, part #12D0125.


Has anyone in the list tried using 10" free length front coil
springs (with and adjustable perch of course) with any success?



regards


carl





On Apr 8, 18 Heisei, at 6:39 AM, foggyalfa wrote:

[rgh0]

--- In ***@***.***, "C.D.S." <tswanber@...> wrote:

[rgh0]

Carl

10 inch free length front springs OK for 150 lb/in. Probably getting
to short for 100 lb/in springs and i would stic with 12 inch
freelength. 10 inch free length maybe OK for 125 lb/inch springs.

What works and does not depends on what ride height you want and what
amount of adjustment is available in your shocks.

Rohan

["C.D.S."]

Rohan,

Thank you for the advice. I just measured the spax shocks with the
upper and lower perches.
I think I can get the springs on and off without having to use a
spring compressor with the 10"
coils.

I am going to use your guidelines for spring rates on an S3 right
now, but for the life of me I
cannot find 115lbs rear springs in a 2.5" ID. Any suggestions?


Best Regards

Carl




On Apr 8, 18 Heisei, at 6:19 PM, Rohan Hodges wrote:

[rgh0]

I had mine custom made locally by a small local spring works in
Melbourne . I dont think the rate is really critical and plus or minus
10# will affect nothing. If you can get 110# or 120# sprngs that should
be fine as springs are not made to that close a tolerance anyhow.

A well respected suspension tuner I know told me once that most drivers
cannot feel a spring rate change of less than 50% ( even a lot of top
professional racing drivers he works with).

Rohan

[G. Strickfaden]

1 7/8" ID is a common size spring in the roundy-round world. They use
'em on midgets, mini-sprints, dwarf cars, and suchlike. Don't know if
you'll find any that soft and long, but there are many suppliers to
that community.

Gerry


On Apr 8, 2006, at 10:50 AM, ***@***.***e:

[denicholls2]

There was just a long thread on spring rates and spring sources on the
Europa group. You might download and search the knowledgebase at:

http://www.lotus-europa.com/knowledgebase.html

or just ask again on that group. There are several autocrossers active
there who can help you to the right F/R spring rates to suit your
purposes. The calculations seem to live in their heads!

I concluded that there are many sources of custom springs out there,
but that you want a reputable vendor to make yours due to the many
variables that can mess up a spring. The cost for a quality spring
would probably be comparable to or less than DB, who is just acting as
a middleman in this transaction.

Doug Nicholls, 54/1822 Ma~