Joined
·
157 Posts
Hello everyone,
Sorry about the cryptic title but I had several issues to discuss.
Background:
First of all I recently installed FM V-Maxx coil overs on my 99' Miata which is when this popping noise started. The car is set at 12.5 front 12.75 rear as per FM recommendations. The car is running stock wheels with 195 series tires.
Problem Number One Description (Suspension):
The pop noise occurs only sometimes when I'm stopped (such as at a stop light) as I let out the clutch and the car just starts to move forward as the weight begins to transfer. The pop is quite noticeable and is higher pitched like a twang/pop combo sort our sound. Also I hear a pop when the car has been sitting for a period of time and I get in. As in soon as my weight (140lbs) hits seat I hear a light pop. I'm not sure if the two are related but they could be as they both started around the same time. Which was when I installed the coil overs.
Attempted Solution: I have checked the torque on the alignment bolts, sway bar end links and ball joints for tightness. These are all quite tight with no perceptible movement. The shop checked both upper and lower ball joints and could find no movement in them. I initially thought some of these would be the cause as I had to remove the upper ball joints and sway bar end-links to install the coil overs. However, I did not find any fault with those components.
Problem Two (Brakes):
This one really isn't a problem but after the Auto-X this weekend I was hard on the brakes a lot and obviously was really throwing the car around. After the race I noticed that my brake pedal was much higher and firmer than it was before. That's awesome! As I had recently installed new pads and bedded them in but never had the pedal feel this good. I want to know why! Why is my pedal so much better after the race?
Current Car Modifications This might help in diagnosing the problem.
Converted to Manual Steering (Welded Pinion Shaft)
FM solid front sway bar
FM V-Maxx coil overs
FM Butterfly brace
Race-land Header
FM Mid-pipe
Brainstorm dual exhaust
Koyo Aluminum Radiator
Hawk HPS brake pads
Stainless clutch line
Sorry about the cryptic title but I had several issues to discuss.
Background:
First of all I recently installed FM V-Maxx coil overs on my 99' Miata which is when this popping noise started. The car is set at 12.5 front 12.75 rear as per FM recommendations. The car is running stock wheels with 195 series tires.
Problem Number One Description (Suspension):
The pop noise occurs only sometimes when I'm stopped (such as at a stop light) as I let out the clutch and the car just starts to move forward as the weight begins to transfer. The pop is quite noticeable and is higher pitched like a twang/pop combo sort our sound. Also I hear a pop when the car has been sitting for a period of time and I get in. As in soon as my weight (140lbs) hits seat I hear a light pop. I'm not sure if the two are related but they could be as they both started around the same time. Which was when I installed the coil overs.
Attempted Solution: I have checked the torque on the alignment bolts, sway bar end links and ball joints for tightness. These are all quite tight with no perceptible movement. The shop checked both upper and lower ball joints and could find no movement in them. I initially thought some of these would be the cause as I had to remove the upper ball joints and sway bar end-links to install the coil overs. However, I did not find any fault with those components.
Problem Two (Brakes):
This one really isn't a problem but after the Auto-X this weekend I was hard on the brakes a lot and obviously was really throwing the car around. After the race I noticed that my brake pedal was much higher and firmer than it was before. That's awesome! As I had recently installed new pads and bedded them in but never had the pedal feel this good. I want to know why! Why is my pedal so much better after the race?
Current Car Modifications This might help in diagnosing the problem.
Converted to Manual Steering (Welded Pinion Shaft)
FM solid front sway bar
FM V-Maxx coil overs
FM Butterfly brace
Race-land Header
FM Mid-pipe
Brainstorm dual exhaust
Koyo Aluminum Radiator
Hawk HPS brake pads
Stainless clutch line