TD5toV8110 Posted June 27, 2023 Share Posted June 27, 2023 I first saw this thread nearly 5 years ago with a Scotsman machining his own brake discs from solid chunks of steel.... I thought that was very ambitious. Now look at What Stephen has achieved! Incredible.🤩 Now sort the minor teething troubles, bin the TDI and chuck a 4.6 RV8 in there! 😁 Well done Stephen! 2 1 Quote Link to comment Share on other sites More sharing options...
Stellaghost Posted June 27, 2023 Author Share Posted June 27, 2023 7 minutes ago, TD5toV8110 said: I first saw this thread nearly 5 years ago with a Scotsman machining his own brake discs from solid chunks of steel.... I thought that was very ambitious. Now look at What Stephen has achieved! Incredible.🤩 Now sort the minor teething troubles, bin the TDI and chuck a 4.6 RV8 in there! 😁 Well done Stephen! Thanks very much Dave although I need to correct you on one thing, I'm English and happen to live in this beautiful part of the world Regards Stephen 1 Quote Link to comment Share on other sites More sharing options...
TD5toV8110 Posted June 27, 2023 Share Posted June 27, 2023 (edited) Ha Ha I used to be a Geordie! Born 80 miles from the Scottish border! Lived in Scotland for 3 years in the Royal Air Force! Edit, are you keeping an eye out for a V8 yet!😁 Edited June 27, 2023 by TD5toV8110 Quote Link to comment Share on other sites More sharing options...
Stellaghost Posted June 27, 2023 Author Share Posted June 27, 2023 9 hours ago, steve b said: What psi did you have in the tyres? What is the minimum rim diameter to clear the brakes Ran them at 15psi, going to remove valves and see what happens Unfortunately the rims need to clear more than the brakes due to the wheel inset to help reduce overall width Regards Stephen Quote Link to comment Share on other sites More sharing options...
elbekko Posted June 27, 2023 Share Posted June 27, 2023 I think all very valid plans. On the turbo front, maybe a sequential setup would work better? A 4.6 V8 is definitely the right fix. Something I noticed driving behind you: some of your wheels looked to have quite a lot of runout. Quote Link to comment Share on other sites More sharing options...
Stellaghost Posted June 27, 2023 Author Share Posted June 27, 2023 1 minute ago, elbekko said: Something I noticed driving behind you: some of your wheels looked to have quite a lot of runout. Yep, near side rear needs tweeking it's on my snagging list Regards Stephen Quote Link to comment Share on other sites More sharing options...
Stellaghost Posted June 28, 2023 Author Share Posted June 28, 2023 8 hours ago, TD5toV8110 said: Ha Ha I used to be a Geordie! Born 80 miles from the Scottish border! Lived in Scotland for 3 years in the Royal Air Force! Edit, are you keeping an eye out for a V8 yet!😁 We've been closer than you think, was born in Northumberland regards Stephen Quote Link to comment Share on other sites More sharing options...
muddy Posted June 28, 2023 Share Posted June 28, 2023 Fit one of nicks fuel pins and the dynamic spacer also if you wish, remove the max fuel screw, knock the safety collar off and chase the threads before re fitting a turn or two further in. Get a waste gate valve and set it to 20-25 psi measured at the inlet manifold it will be night and day. I also wire a buzzer into the oil pressure circuit, easy to miss a little red light... 2 Quote Link to comment Share on other sites More sharing options...
FridgeFreezer Posted June 28, 2023 Share Posted June 28, 2023 I'd get it on the weighbridge - that will sort the spring question but also tell you how much power would be adequate, I think the truck may be lighter than some folks predict and a 4.0 (easily sourced from any old D2) could work nicely, especially with the low gearing. Some folks even claim the 3.9/4.0 are the best because being square they rev nicer or something... personally I always thought that's just stuff people tell themselves because they didn't get a 4.6 but you never know On the steering boxes - the Gemmer 6-bolt is described in the early parts manual as the "heavy duty" one, the 4-bolt is described as "light" so that's that... I run a D2 box on the 109 as I was told they have stronger sector shafts and so far it's been impeccable, but they are different in the mounting & arm to everything else. Not massively different, but enough to require work. 1 Quote Link to comment Share on other sites More sharing options...
Anderzander Posted June 28, 2023 Share Posted June 28, 2023 I would think a big portion of Sid’s weight will be unsprung weight? So spring rate may be a bit lighter than the weigh bridge would suggest. Quote Link to comment Share on other sites More sharing options...
Stellaghost Posted June 28, 2023 Author Share Posted June 28, 2023 A bit of tyre information I let one of the tyres down Full Empty you can see the tyre wall will deform 6psi So my thoughts are this, tyres are probably not too bad, I think the main issue is that the tyre wall is short and not as easily deformed as a higher tyre wall, it may be a case of making some bead locks and running lower pressures Regards Stephen 3 Quote Link to comment Share on other sites More sharing options...
ped Posted June 28, 2023 Share Posted June 28, 2023 i've never liked the 6 bolt boxes my 110 had one when i got it and never felt great so i got a reconned one which wasn't much nicer i swapped for a disco one with the flat arm and steering was vastly improved if you want a 6 bolt i have one you can have 1 Quote Link to comment Share on other sites More sharing options...
Daan Posted June 28, 2023 Share Posted June 28, 2023 On 2/1/2022 at 1:51 PM, Stellaghost said: Have mounted rim onto axle to see what clearances are like from the top I have a question: what is the worst-case clearance to the portal box? The reason I ask is that, no matter how good the tires are, as you state the side wall height is the limiting factor. With the danger of giving you another job to do, you could construct some new wheels of split rim construction. This way, you don't need the hump to fit a tire and therefore have better clearance and you can go smaller on rim diameter. you can use a straight tube for the rims for better clearance still. Design: Daan 1 Quote Link to comment Share on other sites More sharing options...
elbekko Posted June 28, 2023 Share Posted June 28, 2023 1 hour ago, Stellaghost said: So my thoughts are this, tyres are probably not too bad, I think the main issue is that the tyre wall is short and not as easily deformed as a higher tyre wall, it may be a case of making some bead locks and running lower pressures I think beadlocks would definitely help there. And more sidewall = more better, but I think beadlocks would be a good first step. And not wasted in case you step up to bigger tyres! Quote Link to comment Share on other sites More sharing options...
Stellaghost Posted June 28, 2023 Author Share Posted June 28, 2023 1 hour ago, Stellaghost said: A bit of tyre information I let one of the tyres down Full Empty you can see the tyre wall will deform 6psi So my thoughts are this, tyres are probably not too bad, I think the main issue is that the tyre wall is short and not as easily deformed as a higher tyre wall, it may be a case of making some bead locks and running lower pressures Regards Stephen In addition I've introduced an obstacle for the tyres to mould around, looks better with the lower psi I think regards Stephen Quote Link to comment Share on other sites More sharing options...
Stellaghost Posted June 28, 2023 Author Share Posted June 28, 2023 45 minutes ago, Daan said: I have a question: what is the worst-case clearance to the portal box? The reason I ask is that, no matter how good the tires are, as you state the side wall height is the limiting factor. With the danger of giving you another job to do, you could construct some new wheels of split rim construction. This way, you don't need the hump to fit a tire and therefore have better clearance and you can go smaller on rim diameter. you can use a straight tube for the rims for better clearance still. Design: Daan Brilliant @Daan that is food for thought, might start sourcing materials just in case, or I could make a heavy duty slip roll to make my own tube........ Regards Stephen Quote Link to comment Share on other sites More sharing options...
Daan Posted June 28, 2023 Share Posted June 28, 2023 I was thinking of this when I designed it: https://www.ebay.co.uk/itm/155573362900?_trkparms=amclksrc%3DITM%26aid%3D1110006%26algo%3DHOMESPLICE.SIM%26ao%3D1%26asc%3D20201210111314%26meid%3Dfffb1772f31d4fb6bedb6761ea1dbfd8%26pid%3D101195%26rk%3D2%26rkt%3D12%26sd%3D155573362843%26itm%3D155573362900%26pmt%3D1%26noa%3D0%26pg%3D2047675%26algv%3DSimplAMLv11WebTrimmedV3MskuWithLambda85KnnRecallV1V4V6ItemNrtInQueryAndCassiniVisualRankerAndBertRecall%26brand%3DCompomotive&_trksid=p2047675.c101195.m1851&amdata=cksum%3A155573362900fffb1772f31d4fb6bedb6761ea1dbfd8|enc%3AAQAIAAABUA2rugFlOq3qu1cLac%2F%2Fk6Vp0Oa0HaJIqoXKeIiOR%2BTUgsSvHaeyPxKYu6UqHqq7GaGyKVqHQnjeiiXcQpMGw2t3aB%2BssGfjtIWOBj8wExc7oYYP7xGMyQCrHDyDaSaWjB1CueI3A94n0yxXX5dx5gBp61OjlOb%2BiWeb%2BsO0WnM3lEfAH7Shtc2hlMW4lWP9ILiJCAl30mHWn326JrwAVE0HEo9HQiV3sFXvaonTmtpyWi8x3diLOT%2BfwONrD%2FJXlIW7ZlNwbTPIQsSOZ9vhRLj7yydNNWy%2F0SmvzPTk2dBQdQn2bM6KUD%2FAG21gL5Cb6BSyoxuosrNnvCHzFfTVx1KAu4%2BFefV1P0QU7BsLtMH8CuEdczsCDTGu4BhfN6BKVJzsjZD3fex3CARvv37K7qHU5phcMNMevWPN1o0AmD%2Fwm46ldCg95WQB4vGe1IoHiQ%3D%3D|ampid%3APL_CLK|clp%3A2047675 You could use a waterjet cut flat disc to mount it to the hub. Quote Link to comment Share on other sites More sharing options...
miketomcat Posted June 28, 2023 Share Posted June 28, 2023 It doesn't look like Sid's wheels have a bead on the inside of the rim in the photos but that could be the light. My beadlocks work as daan shows, except as mine are single not double the disc part extends to capture the tyre instead of a tube between the two. Mike Quote Link to comment Share on other sites More sharing options...
Stellaghost Posted June 28, 2023 Author Share Posted June 28, 2023 They have a bead Mike, I welded one in on all rims around 4 years back Regards Stephen 1 Quote Link to comment Share on other sites More sharing options...
elbekko Posted June 28, 2023 Share Posted June 28, 2023 43 minutes ago, Stellaghost said: That looks a whole lot better than what we were seeing at 7S! 1 Quote Link to comment Share on other sites More sharing options...
Stellaghost Posted June 28, 2023 Author Share Posted June 28, 2023 I agree, think they will do until something else crops up Regards Stephen Quote Link to comment Share on other sites More sharing options...
Bowie69 Posted June 28, 2023 Share Posted June 28, 2023 Just now, elbekko said: That looks a whole lot better than what we were seeing at 7S! Correct! Looked like they were full of wet sand 1 Quote Link to comment Share on other sites More sharing options...
Ed Poore Posted June 28, 2023 Share Posted June 28, 2023 1 hour ago, Stellaghost said: Brilliant @Daan that is food for thought, might start sourcing materials just in case, or I could make a heavy duty slip roll to make my own tube........ Regards Stephen 20" OD... The smaller bits in the back of the 110 for reference - not sure they'd be man enough at only 16mm thick though. 3 Quote Link to comment Share on other sites More sharing options...
Daan Posted June 28, 2023 Share Posted June 28, 2023 Ideally I would aim for 16" diameter and 1 inch thick, sorry 3mm thick. 1 3 Quote Link to comment Share on other sites More sharing options...
Ed Poore Posted June 28, 2023 Share Posted June 28, 2023 17 minutes ago, Daan said: Ideally I would aim for 16" diameter and 1 inch thick, sorry 3mm thick. Current tyres look to be a 20" - and without changing the offset (something which I recall Stephen didn't want to do as it's already quite wide) then I don't think you've got 2" clearance currently to the top of the portals. Might be able to drop to 18" though? Quote Link to comment Share on other sites More sharing options...
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