jackl Posted December 9, 2020 Share Posted December 9, 2020 Hi there, Could anyone help me find the chassis dimensions of a land rover series 3 lightweight? or give any advise on whether it is the same dimensions as the standard land rover series 3? Quote Link to comment Share on other sites More sharing options...
Stellaghost Posted December 9, 2020 Share Posted December 9, 2020 Outriggers and rear cross member different also gearbox cross member bolt on, think main rails are the same it's the outriggers that make the who!e thing narrower regards Stephen Quote Link to comment Share on other sites More sharing options...
jackl Posted December 10, 2020 Author Share Posted December 10, 2020 16 hours ago, Stellaghost said: Outriggers and rear cross member different also gearbox cross member bolt on, think main rails are the same it's the outriggers that make the who!e thing narrower regards Stephen Thanks for that help, looking to replace a cross member on the chassis and do a couple repairs Quote Link to comment Share on other sites More sharing options...
Bowie69 Posted December 10, 2020 Share Posted December 10, 2020 The rear cross member will be different, as does not have the swept up ends like on a normal series, thought I'd mention, just in case! Quote Link to comment Share on other sites More sharing options...
Gazzar Posted December 10, 2020 Share Posted December 10, 2020 Which crossmember? Done most on mine. No 1 crossmember unique to lightweight, 2 is standard, 3 is military, 4 is unique and 5 is military. Quote Link to comment Share on other sites More sharing options...
jackl Posted December 11, 2020 Author Share Posted December 11, 2020 23 hours ago, Gazzar said: Which crossmember? Done most on mine. No 1 crossmember unique to lightweight, 2 is standard, 3 is military, 4 is unique and 5 is military. Thanks for your reply, I am looking to replace the rear crossmember on the chassis, but want the dimensions to be correct when refitting the rear crossmember, but I can't seem to find any dimensions anywhere Quote Link to comment Share on other sites More sharing options...
Gazzar Posted December 11, 2020 Share Posted December 11, 2020 Ah. Yes. Is the body still on? There's a few options. Any series military crossmember will fit. You can get with extensions, without, or even quarter chassis, depending on the rot. You might even get one that's galvanized. Some make their own from box section. If the rear tub is still on you can cut off the old X member and use the body as a jig. If not then you may make a jig before cutting. Look at the thread SWB V8 by big J on the members forum to see one option. The rear crossmember is in the same place as the civvy chassis, so the dimensions in the ROM should be quite close if the body isn't in place. i Here's mine before I got the chassis galvanised. I used a jig and a tape measure to get the dimensions. Quote Link to comment Share on other sites More sharing options...
jackl Posted December 14, 2020 Author Share Posted December 14, 2020 On 12/11/2020 at 6:22 PM, Gazzar said: Ah. Yes. Is the body still on? There's a few options. Any series military crossmember will fit. You can get with extensions, without, or even quarter chassis, depending on the rot. You might even get one that's galvanized. Some make their own from box section. If the rear tub is still on you can cut off the old X member and use the body as a jig. If not then you may make a jig before cutting. Look at the thread SWB V8 by big J on the members forum to see one option. The rear crossmember is in the same place as the civvy chassis, so the dimensions in the ROM should be quite close if the body isn't in place. i Here's mine before I got the chassis galvanised. I used a jig and a tape measure to get the dimensions. The body is not still on the chassis, the rot is bad so will replace the rear crossmember with extensions, I have be told that series military crossmembers don't fit as they are wider then the lightweight crossmember? Quote Link to comment Share on other sites More sharing options...
Bowie69 Posted December 14, 2020 Share Posted December 14, 2020 If it is that rotten, seriously consider a quarter chassis, hardly any more £s... Quote Link to comment Share on other sites More sharing options...
Gazzar Posted December 14, 2020 Share Posted December 14, 2020 Where's the fun in that? Seriously. Good advice. I bought a standard military crossmember. It's narrower than the tub. Quote Link to comment Share on other sites More sharing options...
jackl Posted December 31, 2020 Author Share Posted December 31, 2020 On 12/14/2020 at 6:41 PM, Gazzar said: Where's the fun in that? Seriously. Good advice. I bought a standard military crossmember. It's narrower than the tub. Thank you, if it is narrower then the tub, won't that be a problem? Quote Link to comment Share on other sites More sharing options...
Gazzar Posted December 31, 2020 Share Posted December 31, 2020 No. The tub is attached to the 5 brackets. These are inboard from the crossmember ends anyway, so it didn't matter. Quote Link to comment Share on other sites More sharing options...
Gazzar Posted December 31, 2020 Share Posted December 31, 2020 On a civvy series the body caps extend beyond the crossmember, so a shorter crossmember is beneficial. The lightweight tub has no cappings, so it's even less of an issue. Quote Link to comment Share on other sites More sharing options...
jackl Posted December 31, 2020 Author Share Posted December 31, 2020 2 hours ago, Gazzar said: On a civvy series the body caps extend beyond the crossmember, so a shorter crossmember is beneficial. The lightweight tub has no cappings, so it's even less of an issue. Ok, thank you for your help, I will look for a rear cross member with extensions or a new 1/4 chassis Quote Link to comment Share on other sites More sharing options...
Gazzar Posted December 31, 2020 Share Posted December 31, 2020 Hope it's useful information. Post up sooner photos as you got along, it's good to check your work, as we've all made most of the mistakes already! Quote Link to comment Share on other sites More sharing options...
jackl Posted December 31, 2020 Author Share Posted December 31, 2020 5 minutes ago, Gazzar said: Hope it's useful information. Post up sooner photos as you got along, it's good to check your work, as we've all made most of the mistakes already! Ok, thank you for all your help, it has been very useful. One last thing, have you got any tips for cleaning the chassis back to bare metal? Quote Link to comment Share on other sites More sharing options...
Gazzar Posted December 31, 2020 Share Posted December 31, 2020 I use a flap disk on a grinder. Quote Link to comment Share on other sites More sharing options...
jackl Posted December 31, 2020 Author Share Posted December 31, 2020 3 minutes ago, Gazzar said: I use a flap disk on a grinder. That is what I thought, but wasn't too sure Quote Link to comment Share on other sites More sharing options...
Gazzar Posted December 31, 2020 Share Posted December 31, 2020 be gentle with it, it CAN remove a lot of steel. Pop up photos, so we can comment, and maybe even help! Quote Link to comment Share on other sites More sharing options...
jackl Posted December 31, 2020 Author Share Posted December 31, 2020 2 minutes ago, Gazzar said: be gentle with it, it CAN remove a lot of steel. Pop up photos, so we can comment, and maybe even help! Will do once I start stripping it back to bare metal Quote Link to comment Share on other sites More sharing options...
Stellaghost Posted December 31, 2020 Share Posted December 31, 2020 (edited) 30 minutes ago, Gazzar said: I use a flap disk on a grinder. Great for this but make sure you've scraped all old underseal off otherwise it will just clog flap wheel up and smear bitumen all over regards Stephen Edited December 31, 2020 by Stellaghost Spelling Quote Link to comment Share on other sites More sharing options...
jackl Posted December 31, 2020 Author Share Posted December 31, 2020 14 minutes ago, Stellaghost said: Great for this but make sure you've scraped all old underseal off otherwise it will just clog flap wheel up and smear bitumen all over regards Stephen I will make sure I do, as I can see that becoming a problem Quote Link to comment Share on other sites More sharing options...
Gazzar Posted December 31, 2020 Share Posted December 31, 2020 The cold weather makes the underseal really brittle, so a chipping hammer can be used to remove most of the pitch. Quote Link to comment Share on other sites More sharing options...
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