What spring rate for 6.0l swap - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 18 Old 02-20-2014, 10:16 PM Thread Starter
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What spring rate for 6.0l swap

Getting ready to order a coil over kit for my fox and trying to figure out what front spring rate to buy, im going to use gt springs in rear and cut to the hieght i want.. But dont know what spring rate to get for front to have a 245 45 17 to have a small gap at top of fender and work good at the drag strip on skinnies? And info or experience would be great.. Here how it sits nowImageUploadedByAG Free1392952522.950574.jpg

Im looking for it to sit about a inch lower then the back sits now


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post #2 of 18 Old 02-25-2014, 11:42 AM
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Depends on what you are looking to do, be it street or drag. Regardless the coilover spanner sets the ride height not the spring rate. I'm running 175# lbs with my team-z's and had the same with my upr's.


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post #3 of 18 Old 02-26-2014, 12:16 AM
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I have a 05 6.0 lq4 and 4l80e. with 200 lb racecraft springs
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post #4 of 18 Old 02-26-2014, 12:17 AM
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I'm with Mikey.....the 200lb springs should be about perfect.
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post #5 of 18 Old 03-03-2014, 07:59 AM
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I should have asked "6.0" iron or aluminum? I assumed aluminum my bad. I should add I have a lot of weight off the nose with an aluminum block..I.e.my 175# springs.

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post #6 of 18 Old 03-08-2014, 02:18 AM Thread Starter
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ImageUploadedByAG Free1394262842.188777.jpgImageUploadedByAG Free1394262877.823299.jpg

Ended up using upr drag springs, cut one coil in front sits perfect i didnt realize someone cut the #### out of the stock onesImageUploadedByAG Free1394263100.531450.jpg


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post #7 of 18 Old 03-08-2014, 07:35 PM
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Sorry I'm late, I called Dave @ Team-Z
He said with tubular exerything for the street 200#'s
For the track 175#'s
With an iron block and/or turbo I would lean toward the 200lb-ers.

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post #8 of 18 Old 10-16-2014, 11:54 PM Thread Starter
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What spring rate for 6.0l swap

Yea I'm going 200 when i go coil over. And yes its a iron block 6.0l i will get some more resent pics up asap. Ended up going drag springs in front cut 1 coil and 1 1/2 coil cut stocks in rear with umi lift bars with urethane insulators top and bottom


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post #9 of 18 Old 10-19-2014, 09:41 PM
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i'm using 175's in mine

93 Coupe, Reef Blue, a/c, 3:55's, 10 holes,
1/8 6.56 @ 103.23 mph, 1/4 10.37 @ 128.49 mph 1.43 6/06/15
1/8 Nos 6.06 @ 114.71 mph 1.38 12/16/15
1/4 Nos 9.879 @ 135.29 mph 1.39 12/19/15
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post #10 of 18 Old 10-21-2014, 10:41 AM Thread Starter
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Do you have a lot of wieght transfer with 175? And are they 12s or 14"


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post #11 of 18 Old 10-21-2014, 08:33 PM
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I believe mine are 14's and I have good weight transfer but I also have double adjustable Afco struts and Strange rear adj shocks. I now also have Team Z anti roll bar. Tomorrow I'm trying some new tires so it will take a few pases to see how it all works now.

93 Coupe, Reef Blue, a/c, 3:55's, 10 holes,
1/8 6.56 @ 103.23 mph, 1/4 10.37 @ 128.49 mph 1.43 6/06/15
1/8 Nos 6.06 @ 114.71 mph 1.38 12/16/15
1/4 Nos 9.879 @ 135.29 mph 1.39 12/19/15
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post #12 of 18 Old 10-21-2014, 08:35 PM
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What I have seen on some cars that guys will complain of excess noise in the front struts when using shorter springs. When the car comes way up on the launch the spring loses its tension and is now under no load so its loose for a few seconds.

93 Coupe, Reef Blue, a/c, 3:55's, 10 holes,
1/8 6.56 @ 103.23 mph, 1/4 10.37 @ 128.49 mph 1.43 6/06/15
1/8 Nos 6.06 @ 114.71 mph 1.38 12/16/15
1/4 Nos 9.879 @ 135.29 mph 1.39 12/19/15
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post #13 of 18 Old 11-03-2014, 10:22 AM Thread Starter
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Ok so 14 200 might be a good starting point. I just put these on and removed swap bar and front end doesnt lift at allImageUploadedByAG Free1415028090.795698.jpg stock struts with eibach front drag springs dont work with this setup lol


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post #14 of 18 Old 11-03-2014, 04:58 PM
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Quote:
Originally Posted by Foxman1992 View Post
Ok so 14 200 might be a good starting point. I just put these on and removed swap bar and front end doesnt lift at allAttachment 370873 stock struts with eibach front drag springs dont work with this setup lol


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Stock struts and it shouldn't work. Do you mean when moving? Your rear suspension needs to be set up also. The lower rear arms are like leverage trying to lift. If it's off then no matter what you have up front you will not have any good travel.

93 Coupe, Reef Blue, a/c, 3:55's, 10 holes,
1/8 6.56 @ 103.23 mph, 1/4 10.37 @ 128.49 mph 1.43 6/06/15
1/8 Nos 6.06 @ 114.71 mph 1.38 12/16/15
1/4 Nos 9.879 @ 135.29 mph 1.39 12/19/15
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post #15 of 18 Old 11-03-2014, 11:11 PM Thread Starter
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It has stock struts. If i bounce front end it tightens up. Ditching umi lift bars and going with trz double adjustable uppers and solid lowers. Should work a lot better


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post #16 of 18 Old 11-05-2014, 01:37 PM
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12x150 on the front of mine. Cam only, intake and carb. Heads milled .020. stock otherwise. 1.300 60ft 6.24 et

92 coupe. 2850lbs with driver. fti cam, stock 88 shortblock, stock pistons, quick fuel 750 carb, air gap intake,4200 stall, c4 trans with 4.10 gear. best 1/8 mile et to date is [email protected] ( on methanol) w/ 1.43 60ft. 1/4 mile et of [email protected] (on 87 pump gas)
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post #17 of 18 Old 11-05-2014, 08:59 PM Thread Starter
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What rear suspension and front strut


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post #18 of 18 Old 11-06-2014, 09:15 AM
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Anti roll is upr, home made lower relocation brackets, upr double adj uppers, strange 10 ways front and rear. 4.30 gear. Gonna try a little stiffer on rear struts to see if it will help keep them planted on gear changes. Having problems spinning down track
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