control arm install question?

blu93 · Mar 14, 2004

I have a set of Pro3i,s upper and lower control arms and when I bought them it was just that, no hardware.I am ssuming that the old stock hardware is to be recycled. If this is not the case how do I find out what size bolts and such I will need for the install. Also looking through my chiltons it saysthat the hardware for the sway bar should be removed and all new stuff put on. Is there a place that sells this hardware as a kit or do I need to remove it and go from there. I really like to have everything before I start any project and so far this information eludes me. I have allready done a search on this with no luck. Thanks Stangnet.

axeman · Mar 14, 2004

i just installed all new rear control arms and ordered my hardware from www.mcmaster.com. you won't find them any cheaper than that.

i ordered 12mm x 100mm in 10.9 grade (equal to 8.8 grade in standard). i think my total was ~$16.00 for all 8 bolts and nuts. the upper control arm bolts were actually shorter, but the 100mm length worked. if you need, i can go out to the garage and measure my old bolts.

no need to replace swaybar bolts

millhouse · Mar 14, 2004

axeman said:
i just installed all new rear control arms and ordered my hardware from www.mcmaster.com. you won't find them any cheaper than that.

i ordered 12mm x 100mm in 10.9 grade (equal to 8.8 grade in standard). i think my total was ~$16.00 for all 8 bolts and nuts. the upper control arm bolts were actually shorter, but the 100mm length worked. if you need, i can go out to the garage and measure my old bolts.

no need to replace swaybar bolts

Damn, you beat me to it. You forgot to add the price of the hardened washers, as the hex heads do not have the flare that the stock bolts have (atleast I coulndt find them). All of my control arm bolts were the same length, and all four lower control arm bolts were badly corroded, and therefore seized on the inner sleeve in the bushing. It took a little convincing to remove the ones that didnt break. I just took an electric impact to the bolt and rev'ed the snott out of it while tapping the opposite side with a punch.

On a side note, the stock bolt heads were 18mm, and the new 12mm bolts are 3/4 inch. Go figure.

ad8MustangGT · Mar 14, 2004

How long are the UCA bolts?? I am going to be putting in new UCA's and would like to order bolts before I start.

Thanks!

blu93 · Mar 15, 2004

I appreciate the replies but there is just one more question on these m12 x100 bolts. Are they threaded or I am ssuming they have a nice shoulder on them so how long is the shoulder?

axeman · Mar 15, 2004

blu93 said:
I appreciate the replies but there is just one more question on these m12 x100 bolts. Are they threaded or I am ssuming they have a nice shoulder on them so how long is the shoulder?

you can request a certain length shenk. i beleive the shenk on mine were 70mm if i remember correctly. so that would be 30mm threaded. might want to measure that though.

axeman · Mar 15, 2004

ad8MustangGT said:
How long are the UCA bolts?? I am going to be putting in new UCA's and would like to order bolts before I start.

Thanks!

80mm

blu93 · Mar 15, 2004

Thanks for the help axeman. I hope to get this stuff on before to long but want to get ready for what always turns out to be the project from hell.

control arm install question?

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