Chassis swap on a 300tdi

CassienLandy · Feb 3, 2018

I have started to bolt everything onto my new chassis, engine gearbox, bulkhead and wings. I have laid the rear tub in place and swung the doors to check everything is in line, its not! I have an 18mm gap between the rear tub and the seat belt transfer bracket on the chassis and i cant get the doors to come close to closing.
Anyone had any issues like this? I was under the impression that RC were the best out there?

Turboman · Feb 3, 2018

CassienLandy said:
I have started to bolt everything onto my new chassis, engine gearbox, bulkhead and wings. I have laid the rear tub in place and swung the doors to check everything is in line, its not! I have an 18mm gap between the rear tub and the seat belt transfer bracket on the chassis and i cant get the doors to come close to closing.
Anyone had any issues like this? I was under the impression that RC were the best out there?

At a guess, you havent got the bulkhead aligned properly, in which case none of the other body bits will fit properly.

Can you post pics of the various body parts, and their attachment to the chassis, especially where the bulkhead bottom irons attach?

jamesmartin · Feb 3, 2018

you attach rear tub and bulkhead and adjust bulk head to get doors to fit , roof and windows want fitting before front end too in case you need to adjust more, theres very little movement to had in the rear tub

Gmacz · Feb 3, 2018

I would bolt in the rear tub first and then adjust everything from there. You need to leave bulkhead bolts loose and get the door gaps right before fitting anything up front.
Rear tub, bulkhead and then roof to lock it all into place then start fitting everything else.

Gmacz · Feb 3, 2018

Beat me to it but still correct.

CassienLandy · Feb 3, 2018

Turboman said:
At a guess, you havent got the bulkhead aligned properly, in which case none of the other body bits will fit properly.

Can you post pics of the various body parts, and their attachment to the chassis, especially where the bulkhead bottom irons attach?

Thanks, i will take some pics in the light tomorrow.

Turboman · Feb 3, 2018

CassienLandy said:
Thanks, i will take some pics in the light tomorrow.

Good. But do what James says, you will not go far wrong. Getting the bulkhead right is critical. The chassis will be accurately made.

CassienLandy · Feb 3, 2018

Gmacz said:
I would bolt in the rear tub first and then adjust everything from there. You need to leave bulkhead bolts loose and get the door gaps right before fitting anything up front.
Rear tub, bulkhead and then roof to lock it all into place then start fitting everything else.

What you say makes sense, but its the gap between the chassis and the tub where the seat belt brackets attach that is throwing me, I am sure that at that location it was a tight fit.

jamesmartin · Feb 3, 2018

CassienLandy said:
What you say makes sense, but its the gap between the chassis and the tub where the seat belt brackets attach that is throwing me, I am sure that at that location it was a tight fit.

how ,too far forward or rear ward or height

Gmacz · Feb 3, 2018

Post a pic, much easier.
Have you got the tub behind the rear brackets and not over the top of them.

CassienLandy · Feb 3, 2018

jamesmartin said:
how ,too far forward or rear ward or height

I have a gap of about 18mm between the tub and bracket, the tub fixing is to far forward. of course the back tub fixings are in the correct place above the cross member.

CassienLandy · Feb 3, 2018

Gmacz said:
Post a pic, much easier.
Have you got the tub behind the rear brackets and not over the top of them.

The tub is inside the chassis fixings above the cross memebr

Al2O3 · Feb 3, 2018

CassienLandy said:
The tub is inside the chassis fixings above the cross memebr

It's gonna take pictures. They paint a thousand worms.

jamesmartin · Feb 3, 2018

there is a little movement in the rear tabs by bending them ,it might be that you need to make ally shims to close a few gaps between brackets and washers on bulkhead mounts,fitting a body from panels is matter of juggling each part and best compromise,judicial use of jacks rachet straps and tapered bars allways helps

Retroanaconda · Feb 3, 2018

It’s usual to need to shim those brackets a little, though usually only up to 10mm or so.

You wouldn’t be the first person with a new chassis that has a bracket in the wrong place.

Al2O3 · Feb 3, 2018

Retroanaconda said:
It’s usual to need to shim those brackets a little, though usually only up to 10mm or so.

You wouldn’t be the first person with a new chassis that has a bracket in the wrong place.

I'll say. Nearside, tubular outrigger on my Richards 90 chassis was about 12mm out

manchestershire · Feb 3, 2018

I have exactly the same issue, 18 to 20 mm gap between front face of outrigger and tub mount. Got every thing lined up, just trial and error. All panel gaps right now. I got rear body flush (or thereabouts) with rear x member then loosely fitted bulkhead and worked to a gap of 885 mm (if i recall correctly) for front doors. I just hope i can get some rock sliders with enough adjustment to fit. Good luck with it.

CassienLandy · Feb 3, 2018

Turboman said:
At a guess, you havent got the bulkhead aligned properly, in which case none of the other body bits will fit properly.

Can you post pics of the various body parts, and their attachment to the chassis, especially where the bulkhead bottom irons attach?

manchestershire said:
I have exactly the same issue, 18 to 20 mm gap between front face of outrigger and tub mount. Got every thing lined up, just trial and error. All panel gaps right now. I got rear body flush (or thereabouts) with rear x member then loosely fitted bulkhead and worked to a gap of 885 mm (if i recall correctly) for front doors. I just hope i can get some rock sliders with enough adjustment to fit. Good luck with it.

Its real pain for a first timer, i thought the chassis would be more accurate. all the UTube stuff I have watched seemed real easy, have these guys been paid?

Al2O3 · Feb 3, 2018

CassienLandy said:
Its real pain for a first timer, i thought the chassis would be more accurate. all the UTube stuff I have watched seemed real easy, have these guys been paid?

What make of chassis did you buy?

mick the builder · Feb 4, 2018

Al2O3 said:
What make of chassis did you buy?

Richards I believe. ^

Chassis swap on a 300tdi

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