I looked at getting some springs made with a changing rate to get the softness but firm up on heavy loading ( full boot or shock loading ) This opened a HUGE can of worms, , thickness of the metal rod, number of coils, overall length blah blah blah... I did try some spring assisters used by caravanners but this still did not help ( before i noticed and replaced the leaking damper )
I still think there was another issue on the rear there somewhere.
Thinking about it the issue only reared its head after the tyres were changed from Yokohama A420's to Toyo proxy1r's
Firmer sidewalls ? different width at the tread ? who knows? car was sold.

Regards
Qless


On 18/06/2012 10:59, Andrew Owen wrote:
Thanks to everyone for responding to my question on suspension and tyres, since raising my query I have realised I made an error, my car is actually fitted with 205/40 x 16's and not 215/40 x16's nevertheless these are just too big.

Also since driving the car for a few weeks I have noticed the following:

1. The front suspension is generally OK but when driving at speed over long undulating bumps it can become a bit 'floaty as if the front shock absorbers are on the way out. I have not noticed the front tyres rubbing even on full lock despite the wheel and tyre size, although the turning circle is poor and so it is possible the power steering rack may have been restricted?

2. The rear suspension is very harsh and badly crashes over bumps with the tyres frequently coming into contact with the wheel arches.

My first  thoughts are as follows:

3. Buy some 15'' alloys and suitable profile/width tyres to get the car back to a more sensible wheel and tyre size.

4. Buy some used 1.1 rear struts to try and get back to a 'normal' set up.

I will then take it from there.

Just one more question, has anyone ever had custom springs made for an H4?

My thought on this is that if I weighed the load on each wheel it might be possible to get some springs made that are more in tune with the weight of the car using the standard struts plus better shock absorbers or possibly suitable coil overs?

Thanks

Andrew

On 12 June 2012 21:24, Gary <[email protected] <mailto:[email protected]>> wrote:

    what's the chassis Q... or reg  M254... ???
    Looking to hear news of our old one.

    Aside from that what suspension is on the car now?  standard
    looking units, cut off springs?
    Adjustable (i guess not) our 195 15 somethings did rub the arches
    but only on the tyre wall.
    I did change the suspension for new 1.1 springs and monroe gas
    struts but it still rubbed.
    was only noticeable after changing the tyres, I did not get round
    to replacing bushes but what effect this would of had i dont know.
     - Jim - what internals do genuine fords have?  i think one of
    mine was leaking oil.
    Based on that look at oil replacements.
    Caution on the front struts as MK3.5 1.6 Si have a larger bore
    strut than the Mk3
    Purple Polyurethane bushes tighten up the handling no end, the
    whole handling was fine in my view for every day fun spirited driving.

    Qless
    Gary


    On 10/06/2012 15:48, Andrewow47 wrote:

        Hi I have recently purchased an H4 and will shortly be joining the
        owners club.

        My question concerns suspension wheels and tyres.

        The car has a 1.6 zetec engine and is based on a 1995 Fiesta
        so guess
        this is a Fiesta Mk3.5 but I am not sure.

        The tyre size is 16/215/40 which just seems too wide for the
        car, they
        are virtually projecting beyond the wheel arches and the rears
        rub the
        arches over bumps.

        I don't know what the suspension set is but the front ride height
        seems on the high side and the rear is a bit low and the rear
        suspension seems firm to say the least! In fact it really is
        spoiling
        the car on normal roads, on the plus side it corners like a
        go-kart.

        I have read that the 'factory set up' was standard 1.6 Fiesta
        suspension on the front and 1.1 on the rear, I have do to
        something to
        improve the suspension as a matter of priority,I was thinking
        about
        just buying some standard 1.1 springs/shocks for the rear and
        taking
        it from there.

        There are also a fair number of alternative suspension
        manufacturers
        such a spax, koni etc. who sell lower/stiffer/adjustable
        alternatives
        and I don't know if this would be better?

        Also any guidance on wheel sizes/offsets and tyre sizes would
        be very
        much appreciated.


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