B210 spring circumference

[NickJames720]

I'm looking to get new springs for my 76 because the ones on my car were cut. Does anyone know what the sizes are? I can't measure mine because they don't fit in the mounts anyways.

[datzenmike]

Front coils? What's wrong with them? Cutting increases the spring rate, often this is desirable. Is it too low? This can be fixed by placing a rubber spacer under the coil.

[PineClone]

Not to hijack the thread...i know there is lots of info on this message board about cutting springs...

 

I thought cutting the springs was generally undesirable. My '78 sits too high in front and i wouldn't mind lowering it just a little. Also, while the rear end is solid as a rock, the front end is spongy. Cutting the springs would lower it and stiffen it, correct?

[SlammedSunny]

PineClone, Yes Cutting them will lower it and stiffen it slightly, I cut my B210 springs when I first bought the car, and drove it like that for 6 months until I put coilovers in it.

[datzenmike]

Not to hijack the thread...i know there is lots of info on this message board about cutting springs...

 

I thought cutting the springs was generally undesirable. My '78 sits too high in front and i wouldn't mind lowering it just a little. Also, while the rear end is solid as a rock, the front end is spongy. Cutting the springs would lower it and stiffen it, correct?

.

Cutting can lower the ride height but will increase the spring rate making the ride stiffer. Some may want one but not the other so this is probably why it is considered undesirable. If it lowers the ride too much, just place a spacer under the spring to bring it back up. Once cut you can't put it back so cut small amounts like 1/4 or 1/2 coil and try it. If you like the stiffness and don't want to increase it then coil overs or trimming the lower spring perch and using adjustable split collars is the way to go.

 

Spongy could be the strut dampers. (shocks) If you have the original struts they probably have the removable and rebuildable strut inserts. What you can do is take them apart and drain out the thin watery hydraulic fluid and replace with heavier viscosity motorcycle fork oil. Thicker fluid with be harder to push through the shock valves than thinner. This will effectively re-new them. I did this with 20W Belray fork oil for under $20.

[ggzilla]

The B210 coil spring circumference is 100mm I.D. with 10mm diameter coils. 110 mm O.D.

 

If you want to keep the stock spring rate, you can move the spring seat down. Just takes a hand grinder and two commercial grade shaft collars.

[SlammedSunny]

If the ID is 100mm, and the diameter of the coils are 10mm, the OD of the springs will be 120mm not 110mm...

[datzenmike]

Either way we're missing the final ingredient.... number of active coils. These are the ones not touching the bottom spring perch or top hat. Only the ones that can actually move.