spring rates

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Coco La Blanc

Re: spring rates

Post by Coco La Blanc » Fri Oct 26, 2012 1:26 pm

Bob,
I would expect the Middlebridge options to be somewhere close to the SE6/6a/6b optimum but since they are approx. 140Kg heavier than the SE5/5a models the handling will be somewhat different.
Regards,
Viv



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Re: spring rates

Post by Gemini Bob » Fri Oct 26, 2012 1:36 pm

Nah I don't think you are a tight wad Steve, there are no pockets in shrouds :) :wink:


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Re: spring rates

Post by Corky » Fri Oct 26, 2012 3:07 pm

Not tight, just careful :lol:

Anyhoo :-
scimitarcars.org.uk wrote:Just wondering how this ended. What spring rates and lengths turned out best? I assume this was for Phil sciminut's standard SE5.

I'm considering 12 inch 300 pounds for the fronts, and 250 pound 14 inch for the rears. These will be on Gaz fully adjustable shocks. Does this sound about right.


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Re: spring rates

Post by scimjim » Sat Oct 27, 2012 10:38 am

SCV ended up with MYDs shocks and springs, so the advice was never tested.

The new Middlebridge springs are twin rate, so not directly comparable.


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Re: spring rates

Post by Gemini Bob » Sat Oct 27, 2012 11:53 am

Was someone going to report back on how they faired with them Jim? I remember it peaking my interest when they were mentioned.


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Re: spring rates

Post by Corky » Sat Oct 27, 2012 12:44 pm

I think George or Mick were going to publish something in Slice when they'd fully tested them. IIRC prices were IRO £600 for a set, which isn't far off the dealer price for Spax or AVOs. Obviously I could be a mile out with that as it was quite a while ago. It was quite a bit more than what I paid GAZ for my GTC suspension anyway, but I dare say that the MB double spring version gives a nicer ride.

I spoke to Mark at GAZ on Friday and have ordered a set fully of adjustable shocks for the SE5A, and have specified 300lb 12" for the front and 14" 250lb for the rear. I'll add it to my project thread once they're on. I have a lot of work to do first though, as I'm doing all the front bushes, lower wishbone brackets and probably trunion bolts too. Then maybe I can fit some new tyres and tax it :shock:


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Re: spring rates

Post by Gemini Bob » Sat Oct 27, 2012 12:54 pm

And the price was?


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Re: spring rates

Post by Corky » Sat Oct 27, 2012 12:57 pm

Gemini Bob wrote:And the price was?
Don't know yet. He's ringing me back on Monday. I'm expecting circa £400.


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Re: spring rates

Post by Gemini Bob » Sat Oct 27, 2012 1:07 pm

Get some pics up when they come mate, I like bits to drool over :lol:


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Re: spring rates

Post by Corky » Sat Oct 27, 2012 1:11 pm

Gemini Bob wrote:Get some pics up when they come mate, I like bits to drool over :lol:
:shock: :shock: :shock: :shock:


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Re: spring rates

Post by Gemini Bob » Sat Oct 27, 2012 1:17 pm

:lol:


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Bob
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Re: spring rates

Post by Corky » Thu Nov 01, 2012 9:24 pm

Gemini Bob wrote:And the price was?
Well this is a bit of cheat, as one of our noggin members ordered a set too which got the delivery price down and netted us a small discount.

So for 4 X shocks with adjustable spring seats, 4 X springs, delivery ............. = £415

Which is very cheap when compared to a set from the usual suspects.


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Re: spring rates

Post by Corky » Mon Nov 12, 2012 2:03 pm

philhoward wrote:Whether or not its of any use (or repeating old info), found a 1973 All-makes service book (precursor to AutoData, I guess) which lists:

Front springs:
Coil external diameter 3.390", wire diameter 0.4375", 13.65" free length, 10.84" fitted length, 180lb/in
Rear springs:
Coil external diameter 3.437", wire diameter 0.464", 14.06" free length, 13.14" fitted length, 200lb/in
Just to confirm, do those spring diameters translate to 2.25" ID ?


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Re: spring rates

Post by scimjim » Mon Nov 12, 2012 2:27 pm

nope - standard were 2.5"

3.39 - (2 x 0.4375) = 2.515"
3.437 - (2 x 0.464) = 2.509"


Jim King

Current: SE5 (8Ball), TI SS1 (snotty), 1600 SS1 (G97), 1600 SS1 (C686CCR), 2.5TD SE5a (diesel 5a), 6 x random other SS1s.
Previous: SE5, 3 x SE5a, 2 x SE6a, 3 x SE6b, GTC, 2.9i GTC, 3 x 1600 SS1, 1300 SS1, Mk1 Ti Sabre, Mk1.5 CVH Sabre
Chief mechanic for: 1400 K series SS1 (Megan3), 1400 CVH EFi SS1 (Grawpy), Sabre/MX5 auto (The Flying Broomstick),
1300 SS1 (Number One) & Sarah's coupe.
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Re: spring rates

Post by Corky » Mon Nov 12, 2012 2:39 pm

Fair enough, I'm glad you said that. GAZ have just come back to me to say they are supplying 2.5" for the fronts and 2.25" for the rears.

I can't remember exactly what they supplied for the GTC, but I have a suspicion it was 2.5" and 2.25".


Steve
Current:- SS1 Ti RG sprint car. VW Touareg 3.0 V6
Prev:- Sabre Ti, 3xSS1 Ti, SS1 16v Turbo Racer, 5XGTC, 2XSE6B, 2XSE5A, 2XV6 Coupe, Sabre 6
Project Threads & YouTube

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