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If I recall, I believe the 300 springs seat differently....I know Don would probably know this and perhaps Sean amongst a few others. I thought I saw the reasoning for it in an older thread also?
Hmm, I wonder how the Mina springs would look when I upgrade to Pentas from base X308 wheels ?! My springs are getting creaky & the only OEM ones I can find are used which I fear may present the same creaks.
Mina Gallery lowering springs for the Jaguar XJ8 .
Mina Gallery exclusive lowering springs have been designed and tested to produce a substantial improvement in handling while only minimal increasing road harshness. These units are a perfect option for either the daily driver or the serious race enthusiast. The lowering rate is compatible with the original shocks and therefore stiffer dampers are not required.
The kit will lower the car approximately 1.2"
* Installs like regular springs ** Kit includes four springs *** Made in Germany and adhere to all US and European quality standards (TUV approved).
Thing is Mina lists the springs separate for XJ8 & XJR, but what if the XJ8 has XJR rims or is it calibrated off something else that differs in the 2 ?!
Search this forum a bit more, I have read several times that in spite of what they advertise, the actual lowering is way less than they promise.
No personal experience though.
Thing is Mina lists the springs separate for XJ8 & XJR, but what if the XJ8 has XJR rims or is it calibrated off something else that differs in the 2 ?!
Powerhouse springs : https://www.powerhouse.uk/content/ja...ng-springs.php
KC, the amount of lowering by the springs does not relate to what wheels / rims / tires you have.
Whatever rim size you use, you should compensate by modifying the height of the tire.
So, if you got from a 225/60R16 (60 the height % of the tire), a 245/45R18 (45 the height % of the tire) has the same outside tire size, and will keep the ride height the same.
KC, the amount of lowering by the springs does not relate to what wheels / rims / tires you have.
Whatever rim size you use, you should compensate by modifying the height of the tire.
So, if you got from a 225/60R16 (60 the height % of the tire), a 245/45R18 (45 the height % of the tire) has the same outside tire size, and will keep the ride height the same.
Indeed after I posted that, I worked it out in my head lol. I sent an email to the Powerhouse people & see what they have to offer price-wise etc.
They should be able to give you the "Fender Apex to Center Wheel" for front and rear though, and you can compare that to the Jaguar "out of showroom" values, plus some real life values from forum members.
Wayyyy more accurate than their advertised: "... inch lower".
I would like to lower my car, but I don't want to affect the everyday drivability of it. I think the stock height of my XJR is low enough to look good, but not too low that it doesn't clear inclines and potholes. This is probably something you should consider if it's your daily.
Those springs are for a V6 engine equipped vehicle. The V8 x308 is a heavier vehicle than the V6 X300.
X300-s have I6 (straight six) engines which are 90 lb. heavier than the V8-s. Otherwise, both cars, X300 and X308, have virtually the same weight (1,800 kg). Due to heavier engines, the X300 front springs are probably stiffer than the X308's so the lowering X300 springs may not lower the X308 much.
The ride height of the X308-s is also much controlled by the gas under pressure in the shock absorbers - if the gas leaks out, the X308 sits down like a race car. I do not know if X300-s have similar arrangement with gas shock absorbers, i.e. to what extent they share the car's weight with the springs. So, I would only go for lowering springs that are designed for the X308 and the type of shock absorbers (the gas pressure) that it has.
X300-s have I6 (straight six) engines which are 90 lb. heavier than the V8-s. Otherwise, both cars, X300 and X308, have virtually the same weight (1,800 kg). Due to heavier engines, the X300 front springs are probably stiffer than the X308's so the lowering X300 springs may not lower the X308 much.
The ride height of the X308-s is also much controlled by the gas under pressure in the shock absorbers - if the gas leaks out, the X308 sits down like a race car. I do not know if X300-s have similar arrangement with gas shock absorbers, i.e. to what extent they share the car's weight with the springs. So, I would only go for lowering springs that are designed for the X308 and the type of shock absorbers (the gas pressure) that it has.
I was wondering when someone was going to chime in on that.. I could hardly see the massive I6 being lighter than a similar displacement v8.
Will the x300 lower springs for x308
