ANyone who has Coil Overs share your info :)

[mheinjr]

Hey, I've had coil overs for about 2 years! My car has been able to hook great, Cold or Hot! Obviously alot better hot, but still great cold!

Now this car is like it's on Ice! WTF

I havent driven the car in awhile due to it being winter now :) but I was thinking about it!

People about 1hr from me are running low 9's with there mustangs! They won't tell me anything about there car, but I can tell you this! The front is soft as heck, and the back is kinda soft!

My car is solid as a rock in the front "when I push down it hardly moves", and in the back it is tough, but It gives a little!

What is everyone running?

I have QA-1 in the front/back, and I will have to get back to you with the spring tension...... not sure!

Thanks, Mark

[RSNovi]

What spring rate in the front?

[mheinjr]

FRONT: 14/175
REAR: 14/165

[RSNovi]

You may want to try something in the 14/125 range for the front. I was having a hard time getting good weight transfer with a 150 spring in my car so I went lower. I might go even a little bit lower.

I have never really messed with rear springs as I have always just run the stock coil spring.

[John91coupe]

Mine has 14/175's up front with Koni drag struts and 14/150's in back with Lakewood 50/50's. The struts are set to maximum soft and I can easily bounce the front of the car up and down with little resistance. Something must have changed with yours if it would move before and won't move now. Maybe spring binding or struts stuck??

[RSNovi]

I have heard that over time the characteristics of the springs change. I have also heard that some brand springs seem to last longer then others. I have never personally experienced this, but it could be something to look at.

[BLOWNBY]

Hope I'm not stealing your thread, but though it would fit and the info may help others!

I will be going with a PA k-member and coilover this year. What spring rate would you suggest. I was thinking 14/150.

351 motor w/ 670rwhp through TKO (Dyno)
AOD with 4,000 stall
3400# car weight with me in it.
Rear Suspension is Eibach drag launch kit with air bag Lakewood 50/50 and Mega Bite Jr. LCA

Street driven 4,000-5,000 miles on it. So want decent streetability.

[John91coupe]

Hope I'm not stealing your thread, but though it would fit and the info may help others!

I will be going with a PA k-member and coilover this year. What spring rate would you suggest. I was thinking 14/150.

351 motor w/ 670rwhp through TKO (Dyno)
AOD with 4,000 stall
3400# car weight with me in it.
Rear Suspension is Eibach drag launch kit with air bag Lakewood 50/50 and Mega Bite Jr. LCA

Street driven 4,000-5,000 miles on it. So want decent streetability.

I wouldn't use a 150 lb spring with your setup, I would go with a 175 to start. The reason for this is that you have a fair amount of weight on the front with a 351 and blower and you might need to use up all of the adjustment travel to get a decent ride height with a 150. Mine is heavy in front also with the R block, blower and intercooler and I am slightly more then mid way up the adjustment threads. Changing the springs later on is not that expensive or time consuming anyway.

[RSNovi]

You are pretty much stuck with a 14" spring unless you are planning on installing front end limiters so there is really no debate there. A shorter spring will loose tension when you do a wheel stand and pop out of place.

Typically, most suspension places such as PA and AJE will work with you on the springs. AJE swapped my 150's out for 125's for nothing.

Personally, I would start off with the 150 or 175 and go from there. With my car, I was unable to get the front end much lower then stock with the 150's. I now run a Dart block which probably as heavy as your Windsor block and I am thinking about going down to a 110 spring from the 125's.

Currently with the 125's, I am almost fully bottomed out on the height adjustment to get my car to a front ride height about 26.5 inches measured at the peak of the front fender. That is having no gap between the top of the tire and fender, without the tire stuck up in the fender.

[BLOWNBY]

Yeah PA told me they would switch out the spring for free if I didn't like it.

[BLOWNBY]

On the street do you think I'd notice much difference between the 150 or 175. I am thinking I'd start with the 150 and see if I don't like the ride quality or height then go to the 175 if not. Rather than start and the 175 and decide I like those o.k. and not go to the 150 to get better track performance.

Seem to make sense?:freaks:

[RSNovi]

That makes sense to me. They are easy to swap out and even if they do charge, they are cheap. Like $45 or something.

[mheinjr]

John91coupe: I actually don't think they were evry really that soft! I have my shocks all the way to the softest!

I want it to be soft, but not too soft! Reason being is because my headers site low at the collector as it is! I really need my car at a good height! Also If I go over bumps I need to go slow so it doesn't bounce and land on the headers!!

Don't forget I have a chevy 383 with a 6-71 Blower :)

Is the chevy Heavier or lighter than a ford? I know the blower is kinda heavy!

I probubly should email QA-1 and ask them about spring tension on mustangs..... Like they would know.......

[Bobalos]

I think that the Cheby is a bit heavier than the Furd, but for SURE that 6-71 & the TH400 Adds quite a bit of Lbs over a NA motor with a C4 or even a stick car.

Do you know the corner weights of the car? the reason to ask is that if you did, a good chassis guy will probably hit it right on first crack. I know of 2 of them if you want some phone numbers.

& FWIW, the new Vari-Shocks are supposed to be the Bomb. For sure they are next on my list of chassis parts. they are comparable if not better than the Koni's

Bob

[mheinjr]

You know I know a guy too that asked me that when I first got these! But I didn't know what the corner weights were...... WTF do find scales like that :)

Also A thought of mine is maybe 1 reason is because the struts are not extended enough! Maybe they are not getting enough travel out of them when I push down on the car! DOn't get me wrong I think it is still too stiff, but maybe if I raise the car it will help!

What is the height of your car in the front, and where do you take your measurments from! I will compair!

Thanks, Mark