Help choosing new coils front and rear

for the front I have the (S10) moog 5660 with 3/4 of a coil cut off. It's also lowered another 1/2" with tall lower ball joints. The front drops 1" cutting 1/2 coil off. The back has the (Phoenix 83) moog 5659 cut 1 coil off and using an F body isolator so I can use the open spring on top. That is the spring with the highest spring rate (162 lbs) I could find in a moog which is higher now that it cut and it's a constant rate spring

I used 1979 Firebird Formula springs I just happened to have. They were spec'ed for a '79 Formula 301 w/AC and automatic from ESPO in PA.http://www.springsnthings.com/general-motors-suspension-parts I spoke to a nice Lady who asked many questions so the right springs would be ordered. They fit the Firebird great and it sat perfectly. So much so that I used them in the 301 powered Bonnewagon. I knew the ride height would be an inch taller thank's to the A/G front end being shorter than an F body, and that's what I wanted. It worked well I think. I don't know the MOOG # but you might give them a call and see what they recommend. The rears are "High Jackers" from JC Whitney, with 3-4" lift built in. Really "old school".

pontiacgp said:

for the front I have the (S10) moog 5660 with 3/4 of a coil cut off. It's also lowered another 1/2" with tall lower ball joints. The front drops 1" cutting 1/2 coil off. The back has the (Phoenix 83) moog 5659 cut 1 coil off and using an F body isolator so I can use the open spring on top. That is the spring with the highest spring rate (162 lbs) I could find in a moog which is higher now that it cut and it's a constant rate spring

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nice front end on the GP, how was that done?

G_Body_Enthusiast said:

pontiacgp said:

for the front I have the (S10) moog 5660 with 3/4 of a coil cut off. It's also lowered another 1/2" with tall lower ball joints. The front drops 1" cutting 1/2 coil off. The back has the (Phoenix 83) moog 5659 cut 1 coil off and using an F body isolator so I can use the open spring on top. That is the spring with the highest spring rate (162 lbs) I could find in a moog which is higher now that it cut and it's a constant rate spring

Click to expand...

nice front end on the GP, how was that done?

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thanks, I used a plasma cutter and grinder to get rid of the centre t section of the bumper and it's reinforcement. It took alot of weight off the front. Then I capped the openings by welding in sheet metal and to fill the hole I used two GP grills and cut off part of the bottom on one to use on top and part of the top on the lower one and glued them together. I was able to use the stock brackets to bolt it in. It was supposed to be temporary but it's still there..

It's a cool looking car overall, Steve.
I really like the frontend treatment. I knew it looked different, but I couldn't put my finger on it.

Longroof79 said:

It's a cool looking car overall, Steve.
I really like the frontend treatment. I knew it looked different, but I couldn't put my finger on it.

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Thanks for the compliment..the front end does that to alot of people, I get some curious looks. The grill was a last minute thought but I have gotten some good reviews on it so I might make a nicer copy of it this winter. I think the grill plays a part in confusing people cause it is a GP grill but it's different. The big problem with the front is that dam huge licence plate.

The front bumper is steel and urethane, if I recall correctly? Yeah, I know what you mean about front license plates. That's the nice thing about Florida...no hideous front plates. I was happy when I removed my original NY plates and threw the front bracket in a box somewhere.

I want to lower this car a bit as well. It has cargo coils in the rear. I was wondering if I can cut a coil or less out of them . They have a pigtail end. Which might be tricky.
I heard it can be done, also using an F-body isolater.

Sorry Kent, I didn't mean to highjack your thread.

yes back on subject...I use the F body isolater in the rear and it works perfect with an open ended spring. The center of it is hollow so it sits on the bubble that kept the pig tail in place

Thanks Steve,
I guess I have other things to complete before I get to redo my suspension. It's on the to-do list.