moomin
Part of things
Posts: 772
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Jan 15, 2015 20:42:54 GMT
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could you elaborate on case spreader ? is it to widen the 'ole by stretching the metal (not so much that it permenantly deforms of course) so that diff+bearing will actually fit through ? if yes to the above is it only the stress of the diff housing which pre-loads the bearings, or is there castellated adjustment ? Opens the casing up vertically, casting should have enough elasticity to return plus the carriers pull it together. Diff goes through the hole it's removing it from the bearing surfaces either side. Some people have said just use pry bars to lever them out. Looks like this (not mine)
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@toxicknobs
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Jan 17, 2015 12:54:10 GMT
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thanks moomin. wish i cared this much about learning stuff when i was 17 !
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glenanderson
Club Retro Rides Member
Posts: 4,262
Club RR Member Number: 64
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Jan 17, 2015 13:38:07 GMT
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I spent ages making a case spreader before tackling my first Sailsbury strip down and then didn't need it. Didn't need it on any of the ones I've done subsequently either. They've all come out with a bit of a wiggle. The case spreader got weighed in during my pre-house move purge a little over a year ago as I'd already moved house with it three times and had never needed to use it in nearly twenty years.
People who read books will tell you you need one, people who've rebuilt diffs will tell you you don't.
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My worst worry about dying is my wife selling my stuff for what I told her it cost...
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moomin
Part of things
Posts: 772
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Jan 18, 2015 16:08:07 GMT
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I spent ages making a case spreader before tackling my first Sailsbury strip down and then didn't need it. Didn't need it on any of the ones I've done subsequently either. They've all come out with a bit of a wiggle. The case spreader got weighed in during my pre-house move purge a little over a year ago as I'd already moved house with it three times and had never needed to use it in nearly twenty years. People who read books will tell you you need one, people who've rebuilt diffs will tell you you don't. I concur, thought I'd try without making one, gentle prying side by side and out it came... Putting it in might be different, but I'm going to see what happens.
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@toxicknobs
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Feb 16, 2015 21:13:21 GMT
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Brilliant build! love it! I'm a fellow nutter, i wedged a 5.9l Cummins in my 90 in 2011 Keep up the good work, I'm following with interest!!
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hario
Part of things
S202 C300STD
Posts: 421
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Feb 17, 2015 15:39:05 GMT
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I thought classic Rangerover diffs were 3.5-something:1 ratio and a direct fit into leafer axles?
I was sure Defender ones had a different spline count or something making them incompatible?
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*S202 C300TD Wagon* Installed: OM606 & 722.6, Evo6 IC, S600AMG callipers & 345mm rotors. No catz. Leatherish seats.. Rust.. Future: DIY manifolds & turbo compound build. Built IP, & some kind of software. Less rust..
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colnerov
Posted a lot
Posts: 2,870
Member is Online
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Feb 17, 2015 16:04:13 GMT
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I thought classic Rangerover diffs were 3.5-something:1 ratio and a direct fit into leafer axles? I was sure Defender ones had a different spline count or something making them incompatible? Hi, the majority of Range Rover and Defender diffs are 10 spline. Salisbury axles are 24 spline. There are some RR and Defender diffs with 24 spline, I think usually in 4 pin heavy duty diffs and are a bit thin on the ground. Colin
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hario
Part of things
S202 C300STD
Posts: 421
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Feb 17, 2015 16:30:35 GMT
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Oh sorry you're using the Sailsbury axle hence the issue I see. I should have read more pages sorry..
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*S202 C300TD Wagon* Installed: OM606 & 722.6, Evo6 IC, S600AMG callipers & 345mm rotors. No catz. Leatherish seats.. Rust.. Future: DIY manifolds & turbo compound build. Built IP, & some kind of software. Less rust..
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pOG
Posted a lot
SHATNER'S BASSOON
Posts: 1,340
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Feb 17, 2015 23:53:43 GMT
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Fantastic stuff!
I spent a good hour or so reading this start to end earlier (meaning that I may have neglected to do some of the things that The Man pays me to do).
Love the noise and the general sillyness. And the cracking pace at which you're doing this!
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Upto 300tdi axles were 10 spline, after that they were 24spline. But thats rover diffs... Salisbury axles were 24spline n totally different but salisbury diffs are interchangable, eg in a 4x4 109 you would use a 3.54 ratio 24spline salisbury rear and a 10 spline rover front both from a 110 to give you 3.54 all round. 4pin 24 spline was the salisbury replacement from late 2002 onwards, looks like a rover but as strong as a salisbury and is a straight swap in later 24spline defender axles. Also found in p38a range rover but slightly different n not interchangable.
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Next time if you want the carrier to come out, you don't have to pry anything, just put a rag between pinion and ring gear and the carrier wil work its way up when you turn the pinion.
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moomin
Part of things
Posts: 772
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Apr 17, 2015 19:49:01 GMT
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Been a while since I've been near the beast. Bought an MX5 for the daily commute and have been playing with it ever since, good cars. Anyway thought I should attempt the diff swap. First port of call chuck some paint on the spare diff cover... Then pull the 4.7 out using a bit of brut force and some tyre spoons. Spot the difference!!! I went to the effort of removing the outer races from the 3.5 axle as the original ones had some surface damage. And it's in (ish) First assembly using all 3.5 axle internal left quite a bit of slack on the rotational engagement. After some measuring the crush tube from the 4.7 as 0.4mm longer and there were 0.45mm worth of shims I added these in and it took up a bit of the play. I'm still left with about 1mm movement on the CROWN before it engages with pinion. Engineer blue (white paint) showed be that the surface engagement was even across the face and matched the existing wear pattern. Not sure what to do next I'm guessing by more shims? How much should there be?
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@toxicknobs
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moomin
Part of things
Posts: 772
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After some experimenting with shims finally got the diff sorted this afternoon. New seals all round and primed with EP90. Next job is a big one. Bin the Stromberg 175CDs and replace with 4x downdraft Weber's on modified jag fuel injection manifolds. Watch this space...
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@toxicknobs
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moomin
Part of things
Posts: 772
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Onwards and upwards, time to bin the appalling unuser friendly stromberg 175cd's. Some people like them, not me. So what to replace them with... Start with two of these (£15 each) Bin the TB's And all the other junk... Cut some aluminium to block up the hole... These injector holes will then to go Fill them with some round bar. More later!
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Last Edit: May 5, 2015 20:09:59 GMT by moomin
@toxicknobs
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going to split each manifold to give 4 in total? Or going to just run as two (heavily modified) manifolds?
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You're like a crazy backyard genius!
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moomin
Part of things
Posts: 772
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Hmmm not really thought about dividing them up again. Guess I could. Only issue would be the added need for accuracy of the carbs being inline,front to back, for ease of linkages. Current carb setup is a single plenum with two carbs on. What are pros and cons? This arrived today... 3 to go...
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@toxicknobs
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Very impressive! I'm working on a V12 manifold with 6 Weber 40 IDFs for my BGT project.
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moomin
Part of things
Posts: 772
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Very impressive! I'm working on a V12 manifold with 6 Weber 40 IDFs for my BGT project. Ah to have monies for proper carburettors! I have been secretly perving over your build! Looks like it's going to work. Just got to decide whether to machine a big plate and weld it on or try and get the carbs directly onto the existing casting. Still need to know if it's worth dividing it up and if so why...
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@toxicknobs
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so if i am reading it right you are sectioning two inlet manifolds to make four. each section feeding 3 inlet ports, and plonking 1 DMTL carb on each of the four sections. so 1 DMTL serving 3 cylinders ?
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moomin
Part of things
Posts: 772
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so if i am reading it right you are sectioning two inlet manifolds to make four. each section feeding 3 inlet ports, and plonking 1 DMTL carb on each of the four sections. so 1 DMTL serving 3 cylinders ? Si senor, Might have two serving six unless you can say why I shouldn't. Other than general laziness of course. 3 cylinders is 1325cc
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Last Edit: May 8, 2015 20:13:41 GMT by moomin
@toxicknobs
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