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Depending on the weight of the vehicle and the motion ratio, I have heard that a 2.0 resi shock will be good for about 5-10 minutes of 'spirited' driving where you are going just fast enough not to blow through the compression valving before temps get to the point the oil and seals are an issue...

That is good to hear on the bypasses. I have definitely heard the opposite a few times. Most of the experience I have in bypass cars they where too noisy to hear anything much at all over the engine, tires, etc. I do think there is a point of diminishing returns for shocks on the daily side of...

There is more to shock diameter than just saying .5" bigger since it's area based. The shock shaft takes up a little area, but it is on small side. It is also only on one side of the piston? Just going off OD because I don't want to hunt down piston IDs.....2.0 is 3.14, 2.5 is 4.9 square inches...

I am only looking for about 1-1.5" of lift in front generally. I don't want to cascade all the geometry for everything too far out of wack. I would like to add an inch or two of shock travel. Getting a 9" travel front shock packaged where I could still have all the factory uptravel ( without...

Good stuff, an excellent data point from the opposite side of things. I have a few questions. -Do you hear your bypass shocks? -Did you try anything in-between getting to this point? One thing I can't find a decent description of is the various differences ( or even rules of thumb ) for when...

From my evaluation of things, at close to stock height, there isn't room to package a coil-over ( with very much travel ) without going pretty far into the engine bay on a custom mount. I'd rather not go that far. Carli has an decent mount if you can deal with more overall height. Personally, I...

A good example of the issue.....it is amazing the difference in weight on similar vehicles ( and how that effects spring rates ) Here is mine.

Yup, I posted the coil chart a few pages back. The ford spring rates seem incredibly stiff for the sprung weight numbers I have. That is the issue. The ford rates don't make much sense to me really in overall planning unless the front end is loaded down a ton. The other thing I need to measure...

Thank you for the honest post. This is one thing I have been running into when talking with vendors these days. Many can't even a communicate well or consistently. I also have to go through the custom rear spring process also.

Shock travel also figures into it, specifically total stroke and what kind of up-down bias it will have. Also how much preload I want to try. Also the sprung weight should be pretty much at a final number ( which it isn't yet ). An 'ideal' rate sounds great, but I don't think it is THAT simple...

I'm not against custom coils. If you have any vendors that you have experience with I would love to hear about it. Guessing at the 'correct' spring rate is a bit of an issue. I have my theories, but it would be nice to be able to try a few things easily if I get it right. Even the eibach coils...

http://www.comeupwinch.com/pro/detail.php?pid=338&cid=149&f=102#.Xi3AIIgh3IU or http://www.comeupwinch.com/pro/detail.php?pid=164&cid=128&f=102#.Xi3AUYgh3IU

I've been doing some thinking and measuring on the front spring issue. I am still pretty convinced that the front end spring rate is WAY too high for the vehicle weight and suspension travel. While custom springs are an option, it doesn't seem like the easiest thing to get right the 1st time...

For me, a front winch first seems to work the best all around if I only had to pick one. Generally, I am trying to go in the direction the vehicle is pointed. Sometimes when trying to go up VERY difficult obstacles, it really helps to have the winch on the front end helping to keep the vehicle...

Yeah, I guess I am looking for 'more' than just functional. The custom valved shocks on the last build spoiled me, worth every penny.

Yeah, which vehicle do they make those shocks for? Is it the loaded down one, the quad cab, the long bed, the one with the camper, or ??? There are about 6 different OEM spring rates from the front of the 05+ F250/350 with a 150# difference in available spring rate. I don't buy into the off the...

I do think 3.0s would border on overkill.....but......you never know till you try. I'm also really curious about a 3.0 internal bypass. The piston is a 2.5, but you can start to get into truly posiition sensitive valving. When you are trying to make something ride really soft/supple on on the...

Good data point. What kind of application are we talking about?

Yes! Doing the rough math the front spring rate (and rear too) seems WAY too stiff. My lower back dyno backs that up. It is very choppy and unsettled feeling right now. Lighter springs and more shock diameter is the road I am trying to go down. Finding front springs built like that for a...

This F350 is stiff. I posted the spring rate table and measurements a few posts pack. ~400lbs/in seems very excessive to me. The front weight on the scale was 3720. Front axle is about 750lbs. Tire/wheel combo is probably 100lbs each corner. That is roughly 2770lbs sprung weight. 1385 per...