FJ62 Reimagined - Restoration - Modern Drivetrain - Stoffregen Motorsports

[Idaho Savage]

May I ask why you didn't opt to do the rear with coils as well?

Stunning specimen!

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[Stoffregen Motorsports]

Absolutely. And thanks for the compliment.

It's basic need vs want. Are link and coils better than leafs? Maybe, in some cases, but for daily driving, they are virtually the same. Yes, there is theory to suggest axle control is better handled with a control arm setup, but in the real world, leafs are simply one part control arm and one part spring. If the leaf is capable of controlling wheel hop, then they are doing their job. Also, when talking about leafs in the rear, they are better suited for varying loads, meaning, daily driving one day and loading up with 800 lbs on the weekends. Yes, progressive coils are available, but leafs are still better suited in this situation.

While we are on the subject, I don't believe links and coils are better on the front of the truck either. There may be a tiny advantage over the forward facing shackle in terms of ride comfort at speed, but other than that, leafs are just fine.

Ok, when it comes to offroading, rock crawling, situation where pinion angle control is a must, then yes, links are better suited to handle those stresses. But even then, ask yourself this, how many leaf sprung rigs have you seen on the Rubicon? Thousands is the answer, because they just work.

In all honesty, I believe that coil conversions on these FJs is just a box that people like to check.

 

[Idaho Savage]

Absolutely. And thanks for the compliment.

It's basic need vs want. Are link and coils better than leafs? Maybe, in some cases, but for daily driving, they are virtually the same. Yes, there is theory to suggest axle control is better handled with a control arm setup, but in the real world, leafs are simply one part control arm and one part spring. If the leaf is capable of controlling wheel hop, then they are doing their job. Also, when talking about leafs in the rear, they are better suited for varying loads, meaning, daily driving one day and loading up with 800 lbs on the weekends. Yes, progressive coils are available, but leafs are still better suited in this situation.

While we are on the subject, I don't believe links and coils are better on the front of the truck either. There may be a tiny advantage over the forward facing shackle in terms of ride comfort at speed, but other than that, leafs are just fine.

Ok, when it comes to offroading, rock crawling, situation where pinion angle control is a must, then yes, links are better suited to handle those stresses. But even then, ask yourself this, how many leaf sprung rigs have you seen on the Rubicon? Thousands is the answer, because they just work.

In all honesty, I believe that coil conversions on these FJs is just a box that people like to check.

I appreciate it.

I have coils on all four corners. The reality of my use case when driving my 62 is still 80/20 on vs. offroad, seeing that I generally drive at least an hour just to get to whatever dirt I'm trying to get to, plus using it around town. I can confirm that having the coils is night and day for general ride and comfort but to your point, I've never driven one with just the front could and I bet the rears are fairly negligible.

I'm dropping an L8 into mine and I'm wondering how she's going to handle. Ive heard some folks say it's too much torque for the rear coils in certain situations but with delta panhards, I'm not sure what that means or what to watch out for. I guess I'll find out!

Anyhow, that really is a very tastefully done truck. It's almost about what you didn't do that makes it special. Thanks for the inspiration.

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