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AMX - Javelin 68-70 front coil springs ? |
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badaboom 
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Joined: Apr/07/2010 Location: CO, USA Status: Offline Points: 142 |
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 Topic: AMX - Javelin 68-70 front coil springs ?Posted: May/17/2018 at 9:56am |
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What if any are the differences in front coil springs for the
1968 1969 1970 AMX or Javelin ? Just V8 or 6 cylinder and possible HD models? How many coils? Height measurement ? Thickness of the coil ? Any specifications? Best way to identify.. Anybody know any original AMC part numbers for these front coil springs? Thanks |
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pacerman
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Posted: May/17/2018 at 10:36am |
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Here's my take on it. The six cylinder coils are smaller in diameter. The standard Javelin V8 coils are larger than the six cylinder coils. The heavy duty (handling package) coils for the V8 Javelin are the same as the standard AMX coils. The handling package coils for the AMX are the largest diameter of any.
Correct me if I am wrong. Joe
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Happiness is making something out of nothing.
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401MATCOUPE
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Joined: May/20/2010 Location: Salisbury, MD Status: Offline Points: 5367 |
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Posted: May/17/2018 at 11:02am |
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Step back a second......68/69 are a completely different spring then 70, they DO NOT INTERCHANGE. I just went through this on another AMC...not only is the wire diameter different, but the number of coils will vary too. Not sure what you are working on but in 1970 there were 7 different spring P/N's for V-8, depended on engine, go pac, with or with out a/c.....
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Ross K. Peterson
68X,GoPac,343,AT,52A(1stCar) 68X,GoPac,390,4sp,52A 69X,GoPac,390,4sp,64A 70X,GoPac,390,4sp,87A,8 70X,GoPac,390,4sp,BBO,8 70 Jav SST,390,AT,BSO 74MatX,401,AT,Prototype 74MatX,401,AT |
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ADAM12MATADOR
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Posted: May/17/2018 at 11:18am |
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1970 springs are different that 68/69 models. 1968 and 1969 AMX, Javelin and American springs are 9.84" tall x 4.05 diameter. 1970 springs measure 9.75" tall x 5.05 diameter. Some springs had a part number or a partial part number stamped on them or a paper tag.
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69BBB3904spAMX
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Posted: May/17/2018 at 11:46am |
 And if you need 68/9 springs or 70 springs, I have a rack of excellent used springs removed from Calif AMX & Javelins 30+ years ago...
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37 Ford Tudor 60 hp V8 flathead, all original, never restored
69BBB3904spAMX 70 Camaro 1st car 74 Hornet Hatch 6 cyl floor/auto 2007,2008,2009 PT Cruisers Aluminum Deck Car Trailer |
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billd
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Posted: May/17/2018 at 12:03pm |
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I was lucky - when my car was new the dealer undercoated it - and I mean they were generous.
I carefully removed the "tar" and found very nice original part number tags on my 1970's front springs to verify it had the upgraded springs (heavy duty or whatever) And you get into some cars and you'll have left and right spring part numbers, too....... ugh. The 68-69 were trunion suspension. 1970 saw the intruduction (as far as AMC) of the more standard SLA suspension with upper and lower ball joints. Shock mounting changed, springs changed, among other things. |
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pacerman
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Posted: May/17/2018 at 12:13pm |
Just to clarify: I was speaking about 69 Javelin and AMX springs only. Joe
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PHAT69AMX
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Posted: May/17/2018 at 1:40pm |
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Already had this typed up from a 1969 TSM: 1969 AMC FRONT COIL SPRING SPECIFICATIONS ....................................................... Rate LBS. per ........................................................ Inch After Series and .. Equipment ........... Wire .... Loaded ..... Loaded .. Color Engine Type . Model ... Location .. Dia ..... Height ..... Height .. Identification Javelin Series Six Cylinder . Light .. Left ..... .496" .. 9.84" @ 850# .. 93# .... White Stripe ..per IPM.. 319 1040 ............................................... All Coils ..per IPM.. 319 1040 .. Right .... .496" .. 9.84" @ 800# .. 83# .... Red Stripe .................................................................... 4 Center Coils .............. Heavy .. Left/Right .505" .. 9.84" @ 850# .. 100# ... White Stripe ........... 319 1069 ............................................... 4 Center Coils ................ WAC .. Left ..... .496" .. 9.84" @ 890# .. 93# .... Yellow Stripe ........... 317 8922 ............................................... All Coils ........... 317 8923 .. Right .... .496" .. 9.84" @ 850# .. 93# .... White Stripe .................................................................... All Coils V-8 .......... Light .. Left/Right .505" .. 9.84" @ 975# .. 100# ... Blue Stripe ........... 318 5128 ............................................... 4 Center Coils .............. Heavy .. Left/Right .513" .. 9.84" @ 975# .. 115# ... Yellow & Red Stripe ........... 319 1471 ............................................... 4 Center Coils ................ WAC .. Left/Right .513" .. 9.84" @ 1010# . 115# ... Red Stripe ........... 319 1039 ............................................... All Coils AMX .......... Light .. Left/Right .505" .. 9.84" @ 850# .. 100# ... White Stripe ........... 319 1069 ............................................... 4 Center Coils .............. Heavy .. Left/Right .513" .. 9.84" @ 935# .. 115# ... Blue Stripe ........... 318 5129 ............................................... All Coils ................ WAC .. Left/Right .513" .. 9.84" @ 1010# . 115# ... Red Stripe ........... 318 5128 ............................................... All Coils RAMBLER SERIES Six Cylinder . Light .. Left ..... .471" .. 9.84" @ 830# .. 80# .... Orange Stripe .............. WO/AC ............................................... All Coils ......... All Models .. Right .... .471" .. 9.84" @ 800# .. 80# .... Yellow Stripe .................................................................... 4 Center Coils .............. Heavy .. Left/Right .505" .. 9.84" @ 850# .. 100# ... White Stripe ......... All Models ............................................... 4 Center Coils ................ WAC .. Left/Right .496" .. 9.84" @ 850# .. 93# .... White Stripe ......... All Models ............................................... All Coils V-8 .......... Light .. Left ..... .496" .. 9.84" @ 850# .. 93# .... White Stripe ............. Sedans ............................................... All Coils ....... And Hardtops .. Right .... .496" .. 9.84" @ 890# .. 93# .... Yellow Stripe .................................................................... All Coils .............. Light .. Left/Right .496" .. 9.84" @ 890# .. 93# .... Yellow Stripe ..... Station Wagons ............................................... All Coils .............. Heavy .. Left/Right .513" .. 9.84" @ 935# .. 115# ... Blue Stripe ......... All Models ............................................... All Coils ................ WAC .. Left ..... .496" .. 9.84" @ 890# .. 93# .... Yellow Stripe ............. Sedans ............................................... All Coils ....... And Hardtops .. Right .... .513" .. 9.84" @ 935# .. 115# ... Blue Stripe .................................................................... All Coils ................ WAC .. Left/Right .505" .. 9.84" @ 935# .. 100# ... Green Stripe ..... Station Wagons ............................................... All Coils --------------------------------------------------------------------------------- information believed accurate but not guaranteed - ckt AMC FRONT COIL SPRINGS 080608 - ckt from 1969 AMC Technical Service Manual Section 12 page 12-33 ------------------------------------------------------------ 1970 AMA Paper Specs ......... Javelin V8 ............... AMX V8 Front Coil Springs ....... STD ... A/C ... HD ..... STD ... A/C ... HD Spring Rate (Lbs/inch) ... 265 ... 285 ... 314 .... 276 ... 294 ... 322 Rate @ WH (Lbs/inch) ..... 115 ... 121 ... 133 .... 119 ... 125 ... 136 (Ratio NOT on AMA Doc) ... .425 or 2.35 (average) "WH" = "Wheel Hub" ??? .............................. Javelin SIX Spring Rate (Lbs/inch) ... 233 ... 248 ... 285 Rate @ WH (Lbs/inch) ..... 103 ... 109 ... 122 (Ratio NOT on AMA Doc) ... .435 or 2.30 (average) Material ................. SAE 5160 Install Height (inch) .... 9.75 Inside Diameter (inch) ... 5.05 Bar Diameter (inch) ...... not given Free Height (inch) ....... not given Install Ht Load (Lbs) .... not given Specs posted by another forum members: ------------------------ 1970 Javelin/AMX V8 No A/C Front Coil Spring = 3112 Inside Diameter (inch) = 5.020 Bar Diameter (inch) = 0.687 Install Height (inch) = 9.5 Load (lbs.) = 1591 Spring Rate (Lbs/inch) = 306.6 Free Height (inch) = 14.38 ------------------------ 1970 V8 with A/C Front Coil Spring = 3156 Inside Diameter (inch) = 5.020 Bar Diameter (inch) = 0.687 Install Height (inch) = 9.5 Load (lbs.) = 1690 Spring Rate (Lbs/inch) = 311.2 Free Height (inch) = 14.92 --------------------------- 1970 6 cyl with A/C Front Coil Spring = 3140 Inside Diameter (inch) = 5.020 Bar Diameter (inch) = 0.656 Install Height (inch) = 9.5 Load (lbs.) = 1490 Spring Rate (Lbs/inch) = 275.6 Free Height (inch) = 14.94 ----------------------------
Edited by PHAT69AMX - May/17/2018 at 11:09pm |
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badaboom
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Joined: Apr/07/2010 Location: CO, USA Status: Offline Points: 142 |
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Posted: May/17/2018 at 3:23pm |
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really appreciate all the replies
anybody recognize any of these part numbers 3185129 or 11572 for the front coil springs? |
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PHAT69AMX
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Posted: May/17/2018 at 9:37pm |
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AMX and JAVELIN Front Coil Spring Info from 1967-72 AMC Illustrated parts Manual:
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pacerman wrote: