JUST BECAUSE THERE ARE LESS COILS IN THE SPRING DOSENT REALLY MEAN ANYTHING THE MAIN THING IS THE SPRING RATE IE A VARIABLE SPRING WILL HAVE MORE COILS IT ALL DEPENDS ON HOW THE SPRING WAS DESIGNED I BELEIVE THE MECHANIC IS MISTAKEN I WOULD CHECK WITH SOME PLACE ELSE SPRING TENSION CAN BE MEASURED ON A STAND WITH THE CORRECT EQUIP.