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I was just reading this and it indicates that you fit one on each side I think which is 5mm thicker than the norm but it says it raises the car by 7.5mm? Or am I misreading it and you fit 2 each size giving you a + 10 but it compresses to raise the car by 7.5mm?
My rear suspension was 1" down at 13 1/2" with new springs and standard rubber spring seats, after talking to Faversham Classics I fitted ONE Superflex spring seat to the bottom of the spring, after test drive the car sits at 14 1/2", spot on standard height.
Interesting, so how come the car raided an inch using just one 5mm + superflex? This is my point or question. It must be that the standard rubber ones almost go to nothing when fitted whereas the superflex ones dont
Don't forget the lever effect of the trailing arms.
If the spring is half way between the suspension pivot point and the contact patch of the tyre then 5mm under the spring will translate as 10mm at the wheel, two of them would give 20mm, and if you factor in greater compressibility of the rubber spring insulators compared to the poly then 25mm/1 inch is quite feasible.
Neil
Neil
TV8, efi, fast road cams and home built manifolds. 246bhp 220lbft torque
Don't forget the lever effect of the trailing arms.
If the spring is half way between the suspension pivot point and the contact patch of the tyre then 5mm under the spring will translate as 10mm at the wheel, two of them would give 20mm, and if you factor in greater compressibility of the rubber spring insulators compared to the poly then 25mm/1 inch is quite feasible.
Neil
Neil pointed this out to me on another thread about my ride height and was confirmed by Trevor at Faversham, they were right
Out of interest, is there any reason why these thicker ones can't be fitted to the top of the coils rather than putting the on the trailing arm end? I say this as I have the standard ones fitted and there is such little rubber between the top of the coil and the body shell that I question their effectiveness
Out of interest, is there any reason why these thicker ones can't be fitted to the top of the coils rather than putting the on the trailing arm end? I say this as I have the standard ones fitted and there is such little rubber between the top of the coil and the body shell that I question their effectiveness
I fitted mine in the trailing arm as I felt, being thicker, they sat in a deeper well.
I've got the 'modern' poly type fitted top and bottom of the spring and the car does sit a bit higher now (with the same springs as before the restoration). I had always assumed it was due to the less compressive poly ones and it's nice to see that confirmed!
Maybe I should refit the old rubber ones. I have a load from previous big saloon rebuilds!
Cheers,
Mike.
Mine since 1987. Finished a 20+ year rebuild in 2012. One of many Triumphs and a 1949 LandRover!
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