Interesting. Which ones are lighter, and by how much?
- RWM
"chriscoker@mail.comcast.net" wrote:
>
> I've had two types of NISMO comp springs side by side, the number of coils
>was different, as was the wire diamter. I worked through the math, and the
>spring rate was essentially the same. The spring with the larger number of
>coils will have a slightly larger wire diamter. I think the spring with the
>larger number of coils is a later design, as I recently bought a couple of
>sets of these from NISMO. I compared them with the 'older style,' which has
>been on my race car for around 20 years.
>
> Either style of spring should work fine.
>
> Chris Coker
> www.risensonracing.com
>
> Original Message:
> -----------------
> From: Adam Bradley ambradley@attbi.com
> Date: Fri, 14 Feb 2003 09:17:17 -0800
> Subject: NISMO comp springs - how many coils should they have???
>
> I have seen a bunch of pictures recently of comp front springs that have a
> large number of coils, such as the auction at
>
>http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&category=34200&item=2403085015.
> The springs I bought a couple of years ago from my Nissan dealer
> (supposedly NISMO comp springs) didn't have this many coils and were
> noticeably shorter than my stock springs that I took out of the car. Then
> today I saw the pic at http://www.datsun.org/fairlady/June2001.htm that
> shows fewer coils more widely spaced, like my springs.
>
> So which is right???
>
> Adam Bradley
> '70 Datsun 1600 Roadster SPL311-28181
> '67 Datsun RL411 SSS sedan RL411-11321
> '66 Datsun PL411 sedan PL411-022447
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