thanks for the reply last night i had a similar idea pop into my head i understand what way your thinking and i read the thread you linked there, im not 100%sure if my idea will work but i was thinking of using threaded rod but rather than compressing the spring as when i release it it may not be in the correct position, if i use the threaded rod from the top of the shock tower to the underside of the lower wishbone with a plate, position the spring and wind the whole lot up together, i think it should work and might be safer than having the spring compressed up there whilst im lifting the control arm up to tighten the ball joint