65 suspsenion help

99MystiCobra · Mar 21, 2009

I need some advice for a suspension. The front is extremley stiff and hard. The back is too soft keeps rubbing on the tires when i hit bumps driving along the highway and streets. Can some one lead me in the right direction. Ill have like 1000 to spend on the suspension. I dont want anything crazy. Still on the stock side but a little softer up front an stiffer out back. All recommendations are welcome. Thanks

Grabber70Mach · Mar 22, 2009

I'd talk to John at Opentracker Racing Products he knows the ins and outs about the mustang suspensions and won't over sale you on what you don't need.

Tim65GT · Mar 22, 2009

The best thing to do is to talk to people and possibly go for a ride to see what you think. If you think stock springs are too stiff, you are not going to have much options. Maybe its your shocks, what do you have?

I bought 1 inch lower 480 springs which were too low and too stiff, so I ended up with stock GT replacement springs. They seem a tad low still, but they are way softer than the 480s.

For the rear I have Mustang Plus Grab-a-trak reverse eye 4 leaf springs. They seem stiff, but it's probably the shocks. They make the car sit a little higher than I like, but I think they will settle in fine with time.

zigmont · Mar 22, 2009

Mustang suspension

Could be the shocks on the front. Sometimes when they get old they stiffen up. Cheapest way to fix the rear IMO is air shocks. That way if you decide to carry some extra weight in the trunk you can up the pressure.

Grabber70Mach · Mar 23, 2009

zigmont said:
Could be the shocks on the front. Sometimes when they get old they stiffen up. Cheapest way to fix the rear IMO is air shocks. That way if you decide to carry some extra weight in the trunk you can up the pressure.

And when you do this you can get really neat cracks in the upper mounting points requiring it to be replaced. Or if you do it exceptionally well you might be able to shove the whole shock thru the upper mounting point. In other words the upper shock mounting point was not designed to support the weight of the car.

CraigMBA · Mar 23, 2009

If you have a tire rub in the rear, it isn't because of your shock selection. You need a different wheel and/or tire combo in the back.

I have no idea what is wrong with the front end. I would be inclined to remove the shocks and springs and cycle the suspension to see if it were bound up.

99MystiCobra · Mar 23, 2009

I know that the front springs an shocks are not stock atleast from what the previous owner said. The shocks i belive up front are KYB and then the back doesnt rubb all the time its when the back bouces. It bouces almost all the time unless the road is smooth, which they never are. It bouces way too much. Would anyone recommend on replacing thre leaf spring while finding a good shock for the back. Then the front im pretty sure i would need a softer rate spring an then prob a stock shock, anyone agree? Can someone recommend a website or company thats good for that.

Grabber70Mach · Mar 23, 2009

Grabber70Mach said:
I'd talk to John at Opentracker Racing Products he knows the ins and outs about the mustang suspensions and won't over sale you on what you don't need.

Have you looked at this site and E-mailed or talked to John? He doesn't just build and sell suspension parts. He also tests them on the track as often as he can.

zigmont · Mar 23, 2009

Grabber70Mach said:
[/U][/I]

And when you do this you can get really neat cracks in the upper mounting points requiring it to be replaced. Or if you do it exceptionally well you might be able to shove the whole shock thru the upper mounting point. In other words the upper shock mounting point was not designed to support the weight of the car.

I wasn't talking about running 150 gallons moonshine in the trunk, only about supporting a hundred pounds or so. Just enough to raise the rear an inch or so so that the tires don't rub. Where did you come up with that BS about shoving the shocks through the floor of the car?

BarnStang · Mar 23, 2009

I would guess he came up with it cause the leaf springs are supposed to support the weight of the chassis, not the shocks. At ride height sitting still the shock should be centered-able to absorb the variations in the road in both directions equally. I would also guess that he either put a shock through his transition pan or knows someone who put a shock through the transition pan. Maybe you could ask him?
You will find help to thin out when you immediaty accuse the person offering help of posting BS.

Steve S · Mar 23, 2009

IMO,

If it bounces too much in the rear it is probably the shocks.

Does the rear seem to sit too low, if so: the springs are probably on the way out.

The front being too stiff might well be shocks, i had this problem on mine and it turned out to be frozen (and the wrong size) shocks.

Also: the PO could have put an uprated sway bar in the front, this will make the car feel "stiff" in th front.

zigmont · Mar 25, 2009

Suspension help

BarnStang said:
I would guess he came up with it cause the leaf springs are supposed to support the weight of the chassis, not the shocks. At ride height sitting still the shock should be centered-able to absorb the variations in the road in both directions equally. I would also guess that he either put a shock through his transition pan or knows someone who put a shock through the transition pan. Maybe you could ask him?
You will find help to thin out when you immediaty accuse the person offering help of posting BS.

Excuse me, but I'm the one who was attacked here.
I posted what I honestly believed would help with the problem. What I got back from Grabber was a negative and very sarcastic reply.
A simple " Not a good idea due to the following reasons" Would have sufficed. Instead, he literally ridicules me on the forum because of my opinion.
On top of that, you take HIS side. Thanks a lot.

Grabber70Mach · Mar 25, 2009

POLL Cracked Rear Shock Mounts - Vintage Mustang Forums

Raise the rear - Vintage Mustang Forums

Air shocks - Vintage Mustang Forums

New Air Shocks - Vintage Mustang Forums

Leaf spring change - Vintage Mustang Forums

http://forums.stangnet.com/760819-air-valve-behind-rear-bumper.html

http://forums.stangnet.com/429165-rear-shocks.html

Search is your friend use it wisely.

And yes I've seen it in person, seen it on more than one car.

BarnStang · Mar 25, 2009

zig, sorry you feel that way. Was trying to offer a little advice. You really need to understand that there are people on this forum that have been doing this all their lives, are seasoned and knowledgeable, some have their own shops, fix and restore customers cars, and/or are retired from that line of work and really have seen it all and done it all. ANd have a tremendous amount of correct, factual, concise, expert advise they offer for free. ANd they do it because they want to, to extend the enjoyment of fixing and modifing Mustangs to anyone who wants to do the work themselves or help those dealing with shops that are working on their cars. Because it brings a lot of self satisfaction to be able to help others find their way on issues that they have experianced over and over. So, again, you were pretty rough on Grabber. THis is an open forum. Everyone can post their opnion. You may ocassionaly find your opinion contradicted. Get used to it. It happens to EVERYONE on here at one point or another.

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