Jacking points
 

Every time i jack up my 911 3.2 on a two post ramp on the four points under the car it always takes the under seal off,I have four rubber blocks with a slot in them so the pinch welds go in them and not bend them up.

HOW DO YOU JACK CAR UP WITHOUT DAMAGING THE UNDER NEATH.

Anyone

Maybe try a different brand jack pad? Parchment paper?

Is the undercoating adhering to he jack pad or cracking and falling off?

There are 10mm (check size) threaded holes at each corner of the belly pan, just next to the pinch welds. Get yourself four hockey pucks, drill out the centre, including a recess for the bolt head and screw them in. As I recall, on one corner I also had to saw a slit on the puck as the threaded hole is too close to the pinch weld.
Johan

Some pics of mine in this thread:

http://forums.pelicanparts.com/porsche-911-technical-forum/988948-custom-hoist-lift-support-pads.html

Johan is correct in that they are 10mm bolts. I had to bevel the edges that sit against the body at the rear.

Hi
I don't have these 10mm holes on my car

Later 3.2's had jacking points welded to the body but if your car had those you probably wouldn't be asking the question. Guessing you have an early 86 or older.

Your car has the holes, they are covered/filled with plastic plugs. Look carefully in the locations pictured in the other thread and you'll find them.

Mines a 1983 3.2 one of the first

Do I need to use Montreal Canadian pucks?

You're in Ontario so you'd use Leafs pucks.

Canadiens. Or just call them Habs.

they still do exist in the parts list and you can order These to weld them to the car.

I thaught about it many times to do it...

well, thats a quandry...original montrealer..so big decision

I need to order these parts, as I'm missing one... do you know what the part # is?

It is one of the many little annoying design "flaws" that the earlier Carreras did not have a jack pad anywhere. I have a scissor lift. I use it for a lot of tasks that don't really require a lift, but having the car up higher and not bending over is a lot easier on my back. Even a task like waxing the car is a lot easier when the bottom of the door is at a comfortable height when seated on a roll around chari.

Anyway, I use the slotted pad on the pinch welds up front. It is a slow process to get the lift pad of the scissor jack up close to the seams, but it is fairly easy after many time of doing it. In the rear, there is a flat area under the torsion bar that is perfect for a standard hockey puck to fit.

I have thought of having a lift point tack welded on to make it faster to lift the car.

Could these be the parts shown as #25 on the illustration? 999 103 125 shows as 4 used on the car. 40http://forums.pelicanparts.com/uploa...1551754924.jpg

I agree with Jonny as both my ‘86 nd ‘78 have the threaded holes.
Johan

These are just the plugs to fill the bores/thread.

Jonny042 thats a nice looking floor on your car.
do you have any other photos of it.

we are going t make these alloy pucks soon.
here is a prototype fitted to a friends ST-tribute build

https://up.picr.de/35214840kn.jpg

https://up.picr.de/35214842ch.jpg

Flojo..idea on when and cost? Includes bolts to mount?

not jet. we elaborate the finish... either diamont cut surface ore plain anodized black

that's the plan, ready to bolt on.
Maybe even with the needed nut in case some cars dont have it, so you can Weld it in.

will keep my instagram updated

Following. I’m interested to know more about these jack pads as they develop.

Maybe consider making these from Delrin or similar. Very tough material and no post finish required.

can some one tell me the bolt size/thread for these mounts?

thanks

Bob

guess its M10 (?)..., just lift the carpet, find the nut and try it out.

if the car was here I would, in shop getting heads done

https://up.picr.de/35229175ml.jpeg

https://up.picr.de/35229177ia.jpeg

thank you

Those custom bolt-on pucks look awesome. I’d sure like a set

follow me in IG: https://www.instagram.com/spadescustomz_/... soon to come.

I have an 86 911 and I cant seem to locate these 10mm threaded holes.
Can anyone give me some guidance ?

Thank you
Bill

wds, advice given me was lift carpet and you should see the capture nuts...

Thank you , I will follow that advice...

My 74 seems to have weep holes not threaded bosses
 

Are there threaded bungs, or inserts that can be welded in to fit these slick lifting pucks, a molly anchor seems kinda light in its absence??
Chris

Why not use a nut. It’s all covered by loose carpet in the corners.
Johan

What do you think the odds are that those threaded holes are a carry-over from attachment points to this kind of overhead crane system on the early 911s?

https://uploads.tapatalk-cdn.com/201...361bdcbf84.jpg

Hockey puck jack points
 

A few minutes with a Drill press and a Forstner bit and you can fabricate your own. You may find at AC lines may interfere with the attachment points however.http://forums.pelicanparts.com/uploa...1571015314.jpg

I bought the Esco jack stands from Pelican Parts with the round rubber tops. Quality stands and I bought a pair of axel posts which I use under the solid torsion bar or torsion bar covers. I glued rubber on the posts with contact cement.

Like to put the stands under the torsion bars or torsion bar covers. I have a cabriolet and the door reveal doesn’t change much while on stands .

Btw, haven’t seen the screw holes at the jack points. Have a 1985.

I'm not quite sure but I believe these fixture to vanish around early 3.2s

just drill yours.