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Jazzman
02-05-2015, 12:13 AM
I have been looking at plans for a frame dolly. Then I had a wild idea: Has anyone used a Motorcycle lift table as an adjustable frame dolly? Because it would have a 1500lb capacity and hydraulically adjustable height, it seems like it might make an ideal platform upon which to build a Cobra. My one concern is that the table top is solid, thus denying access to the bottom of the frame while it is on the dolly/table. I can see where this would be a problem when installing the engine and transmission, but that would be done after the frame is already a roller, thus off the lift. Would a lack of access to the center portion of the frame be a problem in earlier stages of the build? How far apart are the main 4" frame tubes? The motorcycle table is 24" wide, but can be widened with optional equipment.

This probably sounds like an expensive method, and it likely is. However, since I also have a Harley, it actually would do double duty for me.

As always, your input is appreciated.

Jazzman

PaulW
02-05-2015, 07:25 AM
The frame tubes are 24" apart centre to centre. My concern is weight. These lifts are rated at 1500 lbs and while that would be sufficient for the car without a drivetrain once you add engine etc. you will be well over 2000lbs.

Bren
02-05-2015, 09:28 AM
I have been looking at plans for a frame dolly. Then I had a wild idea: Has anyone used a Motorcycle lift table as an adjustable frame dolly? Because it would have a 1500lb capacity and hydraulically adjustable height, it seems like it might make an ideal platform upon which to build a Cobra. My one concern is that the table top is solid, thus denying access to the bottom of the frame while it is on the dolly/table. I can see where this would be a problem when installing the engine and transmission, but that would be done after the frame is already a roller, thus off the lift. Would a lack of access to the center portion of the frame be a problem in earlier stages of the build? How far apart are the main 4" frame tubes? The motorcycle table is 24" wide, but can be widened with optional equipment.

This probably sounds like an expensive method, and it likely is. However, since I also have a Harley, it actually would do double duty for me.

As always, your input is appreciated.

Jazzman

I agree with Paul. But I also want to raise a few other concerns.

First, the engine/tranny will not be installed while the chassis is sitting on its wheels. It's possible, but it's much MUCH easier if the car is lifted. Also, it will be impossible if you plan to install the engine and tranny together, instead of separate.

Second, although maybe not absolutely critical that you have access to the bottom of the chassis most of the time, you will find that the flat top of the lift will be in the way quite a lot. It may not seem like it now, but you'll be crawling in and out of the frame quite a bit (at least I did). It's handy to get different angles on things your working on, etc.

I think it's a good thought, but practically, it won't work.

Jeff Kleiner
02-05-2015, 09:33 AM
Something like this?

http://www.hydraulic-jack.com/upload/big/Motorcycle_Lift_Table_270_0_1298970103.jpg

The table seems to be pretty long which would limit access. I suppose you could use a couple of 6x6 with half circles cut into them at 24" O.C. and lay them across the table to cradle the chassis and hold it ~3 1/2" off of the platform to allow some access for suspension components etc. until it becomes a roller. While the idea of being able to work on some parts of the assembly with the chassis at standing height is appealing if you don't already own the bike lift I personally wouldn't spend the money for the limited usefulness.

Jeff

billjr212
02-05-2015, 10:07 AM
I've been building my 818 on a maxjax 2 post lift and it has worked out great so far. When I bought it, I think they had some sort of motorcycle lift attachment as an option, so it could serve double duty for you.

Jazzman
02-05-2015, 10:32 AM
Your photo is the right concept, but one that is much more heavy duty. Something closer to this:
38454

I think I can pick up a used one for about $500. The rear ramp section is removeable, as is the wheel chock. I am concerned about the relatively narrow footprint of the lift table. Widening the footprint is easy, lengthening much more difficult.

The maxjax option looks great, but really is overkill for my purposes, and a bit permanent for a home garage. (I'll bet it is great, though!!)

It's an idea in process. Thanks for the feedback.

Jazzman

VdubJoe
02-05-2015, 03:52 PM
I have one of the bike lifts works great on the bike. Have not thought of trying it on the car. For a very small sum you can build a nice chassis dolly. I mostly use the 2 post lift I have. Best thing I ever bought. Easy access to everything , variable height and best off all I don't have to get down on the ground.
My body really appreciates it.

Joe

christenfreedman
02-05-2015, 11:27 PM
Just build a cheap wood one..I am sure much cheaper and easier to move...You can have a roller pretty quickly if you want so may not need it long... Mine worked perfect for me..38464

CraigS
02-06-2015, 08:20 AM
I think it would work fine. Nothing is perfect. The easy up/down would be a big benefit. If you had to move it forward or back, drop it on a couple of jack stands, re-orient, and back up. I would figure out something to positively locate the frame on the platform just in case. Leave the tunnel aluminum for near the end so you can lean in from the side if you need to get into the tunnel to run some brake or fuel lines or park brake cables. W/ 4 stands, if you absolutely need to get under there, just drop it on the stands and roll the jack out of the way.