biggles Posted January 27, 2012 Share Posted January 27, 2012 After a long chat with Nige today (we kept getting cut off!) He is going to be pegging a couple of diff's for me, one is fitted with a McNamarra air locker other is an arb rd128, as iv'e finally settled on a ratio of 3.5 ive got to choose which is going in the rear axle as r&p are front and rear, so question which would be the better for the rear? Nige recon's the mcnamarra as stronger than the arb should go in the rear but said to stick a question up on here to see if anyone has other ideas, ta for any help Quote Link to comment Share on other sites More sharing options...
Off Road Toad Posted January 27, 2012 Share Posted January 27, 2012 McNamara in the rear would be my choice. Although that said, it'll be easier to pull the ARB out of the back axle when it needs the seals changing LOL! Quote Link to comment Share on other sites More sharing options...
western Posted January 27, 2012 Share Posted January 27, 2012 if it was for my truck I'd put the strongest in the rear, one reason is the rear axle carries more weight [if fully laden] Quote Link to comment Share on other sites More sharing options...
ashtrans Posted January 27, 2012 Share Posted January 27, 2012 yep put the McNamara in the rear, way stronger than the ARB, Dave Quote Link to comment Share on other sites More sharing options...
biggles Posted January 27, 2012 Author Share Posted January 27, 2012 Ta for reply's Bout what Nige said, just a little concerned if I put the arb in the front I have to get at it, could always sell it and get an Ashcroft one Quote Link to comment Share on other sites More sharing options...
Off Road Toad Posted January 27, 2012 Share Posted January 27, 2012 I would! I assemble the diffs for Nigel and we've built up a few of Ashcrofts finest now and I have to say they are spot on. They go together nicely and so far we havent heard of any problems with leaky seals. Steve Quote Link to comment Share on other sites More sharing options...
stuck Posted January 27, 2012 Share Posted January 27, 2012 Forgive the hijack but I'm considering a pair of lockers for my (2000) 110. I've heard a lot of praise for the Ashcroft locker but they don't seem to do one for the Salisbury. If that is the case is there anything wrong with mismatching lockers? (i.e. an Ashcroft in the front & a Detroit in the back)? Quote Link to comment Share on other sites More sharing options...
rick Posted January 28, 2012 Share Posted January 28, 2012 Forgive the hijack but I'm considering a pair of lockers for my (2000) 110. I've heard a lot of praise for the Ashcroft locker but they don't seem to do one for the Salisbury. If that is the case is there anything wrong with mismatching lockers? (i.e. an Ashcroft in the front & a Detroit in the back)? You can still get a McNamara, ARB, TJM Pro-Locker (Jack Mc by another name) and Maxi Drive (again) for a Sals too. I've driven Detroit's/No Spins and from what I've read and looked at I'd rather use a Kaiser locker if you don't want a selectable in the rear. Quote Link to comment Share on other sites More sharing options...
Richy B Posted January 28, 2012 Share Posted January 28, 2012 With the comment of acess to the locker/diff a couple of companies sell a removable diff cover, either on a DIY option or exchange axle tube, Devon do um, and challenger 4x4 do a nice one also, Maybe an option ?? Quote Link to comment Share on other sites More sharing options...
Hybrid_From_Hell Posted January 28, 2012 Share Posted January 28, 2012 Covers are fairly useless - other than a Visio look anything else - diff out time Quote Link to comment Share on other sites More sharing options...
Bluemoon Posted January 28, 2012 Share Posted January 28, 2012 sorry for another hijack, but where would someone buy a McNamara diff in the UK, and whats the price like, looked up the website and links Scorpion, out of date I think Quote Link to comment Share on other sites More sharing options...
farmerboy_y2k Posted January 28, 2012 Share Posted January 28, 2012 I've been to Morocco and back in a discovery with a detroit locker in the back. I wouldn't fit one in my landy if it was free. Quote Link to comment Share on other sites More sharing options...
RedLineMike Posted January 28, 2012 Share Posted January 28, 2012 sorry for another hijack, but where would someone buy a McNamara diff in the UK, and whats the price like, looked up the website and links Scorpion, out of date I think http://www.devon4x4.com/index.php?page=shop.product_details&flypage=flypage.tpl&product_id=67529&category_id=254&option=com_virtuemart&Itemid=14 Quote Link to comment Share on other sites More sharing options...
agent nomad Posted January 28, 2012 Share Posted January 28, 2012 Just a comment to promote a thought or three If you only use the front locker when it gets really tough going would the stronger locker be better in the front? It's also a bigger job to change/service a front locker more bits to find worn out as you strip the drive shafts out to remove the locker Paul. Quote Link to comment Share on other sites More sharing options...
landroversforever Posted January 28, 2012 Share Posted January 28, 2012 Just a comment to promote a thought or three If you only use the front locker when it gets really tough going would the stronger locker be better in the front? It's also a bigger job to change/service a front locker more bits to find worn out as you strip the drive shafts out to remove the locker Paul. You want the stronger in the back because thats what takes more load (weight) when you push the loud pedal. Quote Link to comment Share on other sites More sharing options...
Hybrid_From_Hell Posted January 28, 2012 Share Posted January 28, 2012 Spot on In majority of situs - up a hill is 'boot down', and all weight on the rear Hard downhills although weight is on the front the power is off. Up hill even fuull lock on etc and power on weight is at rear Rears therefore take more abuse than fronts Nige Quote Link to comment Share on other sites More sharing options...
biggles Posted January 28, 2012 Author Share Posted January 28, 2012 yep, thats how you explained it to me Nige Quote Link to comment Share on other sites More sharing options...
agent nomad Posted January 28, 2012 Share Posted January 28, 2012 If I am understanding this right ​With the center diff locked the front and rear prop shafts turn 1 to 1 ie equal so is there a torque difference front to rear or is it equal my understanding it would be equal, if this is equal the extra or difference in load to the front rear axle could only come from and equal and opposite reaction from the tires produced from the effect of traction ........ Quote Link to comment Share on other sites More sharing options...
landroversforever Posted January 28, 2012 Share Posted January 28, 2012 The only time a Front is taking more is when you're reversing up something Quote Link to comment Share on other sites More sharing options...
agent nomad Posted January 28, 2012 Share Posted January 28, 2012 Also need to type faster I realise the COG changes due to gradient changes and therefore loads to axles Quote Link to comment Share on other sites More sharing options...
landroversforever Posted January 28, 2012 Share Posted January 28, 2012 If I am understanding this right ​With the center diff locked the front and rear prop shafts turn 1 to 1 ie equal so is there a torque difference front to rear or is it equal my understanding it would be equal, if this is equal the extra or difference in load to the front rear axle could only come from and equal and opposite reaction from the tires produced from the effect of traction ........ The torque front-back is equal. Its the weight transfer/traction that is the problem . more weight & traction = more LOAD on the components in the rear. Quote Link to comment Share on other sites More sharing options...
19MART82 Posted January 28, 2012 Share Posted January 28, 2012 agreed,ive broke my fair share of diffs in my time and everyones been on a hill,mainly the rear but ive only broke 1 front diff and funny enough that was trying to reverse out of a bombhole Quote Link to comment Share on other sites More sharing options...
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