The rollbar did change in mid-78. The later ones have the front vertical bar going to the floor rather than sitting on the top of the rear wheelhouse.
None of that should affect how yours will fit the new tub though. The distance from the top of the wheelhouse to the bottom edge of the top lip should be the same on both tubs. You could measure to verify if you still have the old tub.
Edit: does approx 2 3/4" from the top of the wheel house the bottom of the lip sounds about right?
Did you measure them both and compare? That's what mattered before they were able to slide it in.
Originally Posted by Mortgage-payer
There is no gap along the top of the wheelwell. The rollbar assembly literally sits right on top of the wheelwell.
You misunderstood. There isn't a gap between the wheelwell and rollbar. There is a distance between the top of the wheelwell and the bottom edge of the part on a CJ5 tub that's folded over. The CJ5 tub top edge is not the same as your CJ7 either.
As for side to side position, 1" tubular spacers are used on both sides. These go over the bolts as you assemble the bar to the tub.
Yes, but the bolts have to be in the holes in the tub and the sleeves slid over them before the rollbar is in it's final position on a CJ5. There's no room to slide them in on a '5 after the rollbar is in because of the top lip difference.
They already had the roll bar in by the time I got there today.
Ok from what I gather I need a 1" spacer to go between the vertical part of the roll bar bracket and the side of the tub. What size bolts go through the side of the tub and what size go through wheel house? They had to cut off all the bolts because they were rusted so bad so I don't have any of the hardware.
Is that spacer what determines the inside edge of the horizontal part of the mount? It appears from the rust marks in my old tub that the inside edge of the roll bar mount runs along the edge of the rolled bead on the top of the wheel house.
I am having someone fabricate the 2 plates that sit along the front edge of the wheel house. I am thinking it is that reinforcement plate that determines where the holes will need to be drilled in the tub and the wheel house. If someone could take a couple pictures of:
how their bar lines up with the bead on the wheel house,
how much of a gap there is between the bar and the tub and
How the vertical mount sits on the inside of the tub I'd really appreciate it.
Does the shop not own a tape measure or do they just lack the ability to use it? Seriously, they should be able to figure out the diameter and length of the needed bolts with a tape measure and a little math.
Just off the top of my head the spacer is 1" (as already stated), the rollbar flange is either 1/8" or 3/16". Add the thickness of a flat washer and a nut (probably another 1/2") and a safe bet for the bolt length is 2". The bolt heads are 9/16", meaning that the bolt diameter is 3/8".
Once the spacers are installed and those side bolts/nuts tightened, that will dictate the location of the holes that go down through the tops of the wheelwells, so yes, the spacer does determine the horizontal location. Given that information you really shouldn't need pictures of what it looks like.
bdatkins, Yes that is the lip I'm referring to. If I am understanding them correctly, the shop is saying it won't slide under the lip. CSP, I have the old style roll that mounts to the top of the wheel house. I am stopping by there tomorrow to try to figure out what to do now. I still have my old tub so I'll take some measurements. Edit: does approx 2 3/4" from the top of the wheel house the bottom of the lip sounds about right?
Not trying to be a smart azz, but, I would think a good shop would be able to figure this out, as well as spacers, and bolt diameter and length. Especially since you said the shop cut the old bolts out, this also tells me the spacers were with the bolts.
1957 WILLYS pickup,
1973 J 4000,
1978 CJ7 DD.
1979 CJ7 360, TH400/Quadratrac.
1980 CJ5 trail Jeep.
1989 YJ the CJ to YJ.