Author Topic: Drag Springs  (Read 6636 times)

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Nightmist66

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Re: Drag Springs
« Reply #15 on: March 23, 2021, 07:31:56 PM »
Thanks for all the replies so far, I appreciate it. I knew I could get some good feedback here.
Jared



66 Fairlane GT 390 - .035" Over 390, Wide Ratio Top Loader, 9" w/spool, 4.86

6667fan

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Re: Drag Springs
« Reply #16 on: March 23, 2021, 09:48:48 PM »
Jared, I have the stock big block AC springs, ( just cause that is what was in there). The pitch rotation on my car is decent, (still room for improvement). Shocks are Calvert 90/10s. No roller perches or aftermarket A-arm bushings. Depending on what else is going on with your car a shock change first and then a trip to the track might be telling. JMHO

JB


67 Fairlane 500
482 cid 636/619.
Tunnel Wedge, Survival EMC CNC heads, Lykins Custom Hydraulic Roller, Ram adjustable clutch, Jerico 4-spd, Strange third member with Detroit Locker, 35 spline axles, 4.86
10.68@125.71 1.56 60’

Nightmist66

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Re: Drag Springs
« Reply #17 on: March 23, 2021, 11:01:48 PM »
Sounds like your setup is working fairly well, JB. More food for thought on leaving the current springs alone. Did you get your new parts installed?
Jared



66 Fairlane GT 390 - .035" Over 390, Wide Ratio Top Loader, 9" w/spool, 4.86

427John

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Re: Drag Springs
« Reply #18 on: March 24, 2021, 12:11:59 AM »
My experience is with the 70-71 Torino,but I ran the stock 351 coils when I swapped in the 460 in conjunction with 90/10 shocks but what seemed to make the most difference was removing the front sway bar,while it worked great for trips down the track, if you drive much on the street I wouldn't recommend it.

Nightmist66

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Re: Drag Springs
« Reply #19 on: March 24, 2021, 06:42:14 AM »
Thanks, John. I ditched the sway bar some time ago. I just take it easy on turns.
Jared



66 Fairlane GT 390 - .035" Over 390, Wide Ratio Top Loader, 9" w/spool, 4.86

Falcon67

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Re: Drag Springs
« Reply #20 on: March 24, 2021, 08:15:41 AM »

I had read where people said the Moroso will sag over time. Thanks for confirming the non A/C spring being the way to go. I was starting to assume that just glancing at the specs between the two. Your car looks nice!


When you pull the fronts off the track a little every pass, fully extend the shocks and such, you're  going to wear out parts.  When I updated the springs, they had around 2000+ racing rounds on them.  Most people don't run that much.  The Falcon has easy over 4000 passes since it hit the track back around 2003.  When we moved in 201, I threw out 4 shoe boxes crammed with ET slips. I beat on that car like it's a bad dog.  8)

6667fan

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Re: Drag Springs
« Reply #21 on: March 25, 2021, 01:17:43 PM »
Jared, parts installation is ongoing. Towards that end I went to the driveshaft shop that I use to build another tube for the car. A Jerico I bought came with a Mark Williams input yoke that takes a 1350 u-joint so going to have a complete 1350 accommodating shaft. Of course I will have to replace the pinion yoke.
As always, doing my part to stimulate the economy!
JB


67 Fairlane 500
482 cid 636/619.
Tunnel Wedge, Survival EMC CNC heads, Lykins Custom Hydraulic Roller, Ram adjustable clutch, Jerico 4-spd, Strange third member with Detroit Locker, 35 spline axles, 4.86
10.68@125.71 1.56 60’

Cobrajet2

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Re: Drag Springs
« Reply #22 on: March 26, 2021, 04:39:14 PM »
I take it you have already ditched the factory upper shock mount for a flat plate? That will get you a little more front end travel.

Mike
"That guy has got a pocket full of money and a watch full of time!"   Hubert Platt.


Nightmist66

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Re: Drag Springs
« Reply #23 on: March 26, 2021, 07:27:07 PM »
As always, doing my part to stimulate the economy!

I hear ya!  ;D



I take it you have already ditched the factory upper shock mount for a flat plate?

Yessir.
Jared



66 Fairlane GT 390 - .035" Over 390, Wide Ratio Top Loader, 9" w/spool, 4.86

FordEver

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Re: Drag Springs
« Reply #24 on: April 02, 2021, 11:35:36 AM »
I had Moroso 47160 no cuts with roller spring mount CalTrac 90-10, upper control arm limiter.
Spring bend out some as the roller did not resist.
It was too bouncy, hit the stop, dropped down+up a few times. inconsistent. Ride height about stock with 28" front runner.
Put Moog 8236 small block/6 cylinder with 1/2 coil cut, poly bushing  spring mount, CT 90-10 same height, spring not bent out.
Seems to lift/launch same with no bouncing, 60 ft more consistent.
Moog 8236 uncut  was one coil shorter than 47160, same diameter coil. Big block old spring bigger coil diameter but shorter.
Added one shock rubber bushing under the mount to move the shock down prevent over extending.
If you want to try the 47160 or roller mount let me know, Bob.
https://drive.google.com/file/d/1jTxmXuZR4L96trACngK91qslq3_0ftDx/view
https://www.moroso.com/pub/media/pdf/TrickSprings.pdf

« Last Edit: April 02, 2021, 11:40:51 AM by FordEver »

Nightmist66

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Re: Drag Springs
« Reply #25 on: April 02, 2021, 10:13:47 PM »
Thanks, Bob.

I have been eyeballing the Moog 8236 springs for a little while now. Glad to hear that's what worked for you. I have been looking all over, but no one seems to have any. I knew you mentioned briefly last year which springs were on your car, but I forgot. I do already have the roller perches and I rollerized the upper arms as well. I made some adjustable strut rods with heims and the tubular lower control arms have a heim joint. I should be pretty much set except for the springs and shocks. Well, actually the new Calvert 90-10s showed up yesterday so now it's down to the springs. I'll keep an eye out for for the Moogs. Thanks for your offer. I appreciate it.
Jared



66 Fairlane GT 390 - .035" Over 390, Wide Ratio Top Loader, 9" w/spool, 4.86

FordEver

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Re: Drag Springs
« Reply #26 on: April 03, 2021, 07:56:29 PM »
Googled it, prices/availability all over the place this place usually has stuff
https://www.rockauto.com/en/parts/moog,8236,coil+spring,7512.
Recommend not cutting first , we put them in my sons stoch 289-4spd car, too high. Sometimes Moog stuff is too tall, and does not settle. Might be just right for your setup first try.
For comparison ,I have 8236 1/2 coil cut sits about stock/level with 28" front,  29" rear slick. Mine weights 3150 no driver, Glass fenders, bumpers ,hood, decklid, alum heads, intake, radiator, lexan windshield, plastic race seats, lightweight steel doors, no heater box ect.
I like to keep it about stock height so headers clear on/off trailer.
Good luck maybe see you at Glory Days Byron, say hi to your Dad, Bob

Nightmist66

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Re: Drag Springs
« Reply #27 on: April 03, 2021, 09:23:14 PM »
Thanks again, Bob.

Unfortunately, I have already looked at Rock Auto. First place I went. As soon as you load the part into the cart, it says not available and removes it for you. :(  I googled quite a few other places. Summit and Jegs list them, but Summit shows discontinued and Jegs has no real ship date. Pretty much everywhere else I looked says the same thing, discontinued or on backorder...I know a guy with a spring and fender shop, so maybe I'll see if he can track them down or give him the specs I'm looking for and go with another brand.

I forgot to register for the Glory Days, so I'm not sure if they will let me in. Might see you at a T&T event before then. Take care.
Jared



66 Fairlane GT 390 - .035" Over 390, Wide Ratio Top Loader, 9" w/spool, 4.86

JamesonRacing

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1966 Fairlane GT, Nightmist Blue/Black 465/TKO (11.41@122)
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wowens

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Re: Drag Springs
« Reply #29 on: April 04, 2021, 02:16:31 PM »
Maybe worth a try here:

https://www.shockwarehouse.com/site/product.cfm/id/2333525/name/Moog-8236-Front-Constant-Rate-Coil-Springs

Been following this thread, looked at the site.
Says on " indefinite backorder" for that part #.

Try Eaton Detroit Spring for 289 W/O a/c springs or
Coiling Technologies Inc. for custom.
Woody