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Old 09-18-2018, 02:31 PM
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mustang 2 lower control arms

Been awhile since posting--need some advice or help--have 48 Chevy 2 door sedan with true Mustang 2 front end---not sure of what year. The person who built it widened it 2 inches--fits real nice in the wheel wells. one of the problems I am having it denting the front shocks--have gone to a skinnier cylinder and has helped some---but PO welded a plate on the bottom of the lower control arm and cut a large hole and installed Monte carlo shocks--which I have replaced twice in 3 years---also drilled an extra hole in the frame where the rack mounts---had to gusset both the hole for added support. I am wanting to know if anyone on the site has done this, seen this done and if I can install stock lower control arms and then install the Mustang 2 shocks. may or may not help in quality of ride-- Car has around 34k on it so it has been driven. Thanks in advance
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Old 09-19-2018, 09:32 AM
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Gosh, why can't anyone weld? It's so easy.

I gather the stock crossmember has had a splice welded in the middle of it to widen that, then holes for the Mustang II rack (?) were re-drilled to center it and you've had to sleeve those. I'd imagine the guy who added the plate to the control arms for the different shocks (see welding comment above) just put the shock in a location where it hits stuff and that needs to be moved, or removed to go back to the stock Mustang II parts which seems to work for most people. What's being used for a bump stop now, by-the-way, with the shock change? A front-on photo with all assembled and at ride height would be most helpful.
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Old 09-19-2018, 09:33 AM
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Someone should jump in pretty soon. I'm looking forward to hear what they have to say. I think everyone with the old MII setup would like to have a better ride on their street rod.

KSO must have been typing while I was replying.

454 RATTLER
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Old 09-19-2018, 09:44 AM
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My --feeling-- from over time is that most people who have a bad time with the MII's have situation where it is not being operated within it's original design parameters (mostly ride height), or does not have the spring or shock rate dialed in to the weight of the car, or could use a little more caster 'cause of being on a light car with modern tires. They'll never be a great suspension but they should do OK. This widened unit will be flirting with having a little bumpsteer if being used with the stock rack but if at level height that will probably never be a problem.
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Old 09-19-2018, 10:33 AM
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Thanks all--kso you hit the nail on the head in regards to way it is set up---have 2 pics her I took last year---will get more as soon as rain stops to show if it helps---so I can probably go and replace lower arms and use stock shocks with out any problem--has a little bumpsteer any way to alleviate it
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Old 09-19-2018, 11:01 AM
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I am just throwing thoughts out here,

1st, your 48 is around 3100 lbs and a Mustang 2 was 1600 lbs.
the original had strut rods designed into the front end and with the heavier car you may need the strut rod to keep movement to a minimum.

2nd, it could be the PO installed that plate in the wrong position
so when the suspension is working the shock gets pinched/dented.
you would need to simulate suspension travel to see exactly where/how the shock is getting hit to determine the best location
for the mounting plate.

hope this helps.................
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Old 09-19-2018, 11:21 AM
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Thanks--I do have strut rods on the car---the shock actually is making contact and getting dented on the opening hole where the spring sits--where the original shocks would be placed---thanks again
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Old 09-19-2018, 01:50 PM
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Quote:
Originally Posted by FASTFORD View Post
Mustang 2 was 1600 lbs.
MII's were around 3,000 lbs and close to most street rods, part of why it works well. Pintos were in the low 2's, with parts used on drag cars more.

Random discussion re: weight https://www.stangnet.com/mustang-for...ang-ii.787074/
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Old 09-19-2018, 02:40 PM
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Quote:
Originally Posted by kso View Post
MII's were around 3,000 lbs and close to most street rods, part of why it works well. Pintos were in the low 2's, with parts used on drag cars more.

Random discussion re: weight https://www.stangnet.com/mustang-for...ang-ii.787074/

yep, my bad........

curb weight was 2867 per the Ford release in 1974

1974 Ford (USA) Mustang II Base 3-Door 2+2 full range specs
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Old 09-19-2018, 03:20 PM
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thanks again--my car is around 3500 curb weight
903 lf 848 fr
865 lr 884 rr

some pictures taken today have been added--one pic if off due to camera angle
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Old 09-21-2018, 04:30 PM
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I tried to explain the bump steer on the other board. The tie rod on the right is 2" longer than the one on the left, so you need a 2" rack spacer on the right to make both tie rods the same length. They are easy to install.
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Old 09-21-2018, 04:54 PM
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Quote:
Originally Posted by FASTFORD View Post
yep, my bad........

curb weight was 2867 per the Ford release in 1974

1974 Ford (USA) Mustang II Base 3-Door 2+2 full range specs
V8 Cobra and King Cobra models with an automatic trans went close to 3100 lbs, if not a little more....it was a rather porky little car!
Friend of mine in High School had a V8/Automatic Ghia Coupe, it was 3040 lbs all stock on the local agricultural scale. He couldn't believe that little car was that heavy. Lots of dead weight behind the bumper covers in those 5 mph impact bumpers.
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Old 09-21-2018, 05:43 PM
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Posted this on the other board

Ok now I am confused--when I got the car it had the shorter tie rod ends---from working on a 36 chevy with short tie rods and no turning radius among other things we installed the longer ones---on the 48 I have replaced both tie rod ends with the longer tie rod ends--so I really don't see where the lextension would fit with my setup--correct me if I am wrong---there is very little differnece in length on each side--may look that way in the picture but not really---have equal turns frome center to each side--clearance full lock is same on each side---if I need teh reack extender I will get but--THANKS
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