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what front springs for l34 front end

Started by _azureblueslr_ , Jun 25 2006 05:43 PM

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4 replies to this topic

#1 _azureblueslr_

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Posted 25 June 2006 - 05:43 PM

after doing an l34 front end conversion on my lh slr 5000 im having trouble with the front ride height .i have pedders lowered springs front and rear but the front is sitting 40mm lower than the back and doesnt look right . pedders says the srings are the same on l34 as other v8 toranas but ive got my doubts. has anyone else had the same problem. i know its becouse of the different spindle height on the hq stub axles but i dont know what to do about it .??????

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#2 REDA9X

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Posted 25 June 2006 - 08:34 PM

maybe the ones you have are the same as Race L34?

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#3 _azureblueslr_

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Posted 25 June 2006 - 08:50 PM

thanks for the interest red a9x looking at pictures of l34 's they seem to sit pretty even front to back . the springs ive got are lowered 2" all round so the car should still sit reasonably level just 2" lower i think that l34's must have different height front springs to other v8 toranas .maybe hq perhaps??

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#4 _JBM_

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Posted 25 June 2006 - 08:57 PM

Front springs L34 F71 option:

Wire diameter 0.642", 16.31 mm
Coils 7.62 Active 9.01 Total
Free height 12.88", 327.15 mm
Working height @ 1620 lbs (735 kg) 9.02", 229.11 mm
Deflection rate 420 lbs/inch, 75 kPa/cm at spring
Deflection rate 133 lbs/inch, 24 kPa/cm at wheel

Rear springs L34 F71 option:

Wire diameter 0.541", 13.74 mm
Coils 6.05 Active 7.41 Total
Free height 12.85", 326.39 mm
Working height @ 550 lbs (249 kg) 9.06", 230.13 mm
Deflection rate 145 lbs/inch, 26 kPa/cm at spring
Deflection rate 41 lbs/inch, 7 kPa/cm at wheel

From Eric Blair's book.

James

Edited by JBM, 25 June 2006 - 08:58 PM.