Wheel & Tyre options
There has been a lot of talk in numerous threads about what wheel and tyre combinations people are going for, so it seemed sensible to extract it out into a separate thread for ease of reference :)
I suppose i should kick off.... I have tried MGC wire wheels (5.5 x 15) with std MGC tyres fitted (165 SR 15) but i had issues where they hit the bulkhead. I recessed my bulkheads but i was still getting some scrub at the end of each lock so i've now decided to go for either 175 65 15's or 165 65 15's, still on 5.5 x 15 wire wheels. Once i've decided, these should be bought and tested in the next few days, so fingers crossed that they solve my clearance issues! Edit: i ended up with 165 65 15's, although i'm tempted to put 175's on the back next time. |
And i thought it worth while reposting this post from Mister Towed as it has been really really useful!
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I'm glad you found that link useful.
It'd be interesting to hear from anyone who's already fitted their wheels and tyres to see what's possible. Pictures would be good, too, as the fit of the wheels/tyres in the arches can make or break the looks of a car - just look at a Banham 550 on 13" rims to see what I mean. I'm kind of settled on 175mm wide (to give better grip whle not stiffening up the steering too much) and I have a set of MGB 14's, the only decision left is the tyre wall profile: will 80's foul the bulkhead; or will 70's look a bit small? Decisions, decisions... |
Resessed Bulk heads
Hi Dave I was interested to read that you hae resessed your Bulheads, I am going to have to perform this operation,any chance of a Pic to see what I'm in for.
Cheers John |
I have a situation.
Back in the summer I bought a lovely set of second hand MGC chrome wires off ebay. They are 5.5 x 15" and came with almost new 185 x 70 SR15 tyres. Having also bought the long splined hubs and fitted them, it was clear that we needed to modify the bulkhead as others have said before. However having cut back the sheet metal until it is flush with the chassis outriggers over the past few days, I now find that when turning the front wheels on reasonable lock the tyres are actually toughing the chassis itself! Since I cannot really modify the chassis, I guess the choices are either change to a lower profile tyre with all that expense, or limit the lock on the steering rack. Has anybody out there found a safe and cost effective way of limiting steering lock please? I would love to hear your solutions. |
I know that Gary had done that on 66? and i'd also be interested to see how it was done, as i was only able to recess my bulkheads so far due to my lowered battery tray getting in the way, so at extreme lock i still get a bit of rub :(
But by limiting the lock i'll be fine and i'll still have more than enough left. |
66 Bulkhead
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Hi I have a picture of the O/S Bulkhead on No.66 Looks like a large persuader job to me! Good Luck :yo:
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It shouldn't be too difficult to fabricate a stop of some kind to limit the steering travel instead, after all, the Herald/Vitesse has far more lock than you really need. |
Thanks for the pic. jw52. We have already cut the bulkhead, hammered the front plate backwards, then folded the sections together & welded them up. It looks pretty much like your photo of 66, but the tyre is rubbing on the section of chassis coming out from the centre rail towards the side outrigger - directly beneath the battery or the pedals depending on which side you are viewing.
I was hoping that somebody out there may have already tried to fabricate some sort of split collar that could be clamped around the ends of the steering rack bar to limit it's travel either end. It sounds simple............... As always, it would be easier to copy someone who has successfully done the job rather than re-inventing it. Any suggestions as to how you managed with 66 Gary? |
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http://www.kad-uk.com/mini-parts/min...?product_id=19 I've been looking into using them on my Marlin Sportster that also needs to have its steering limited. I've not yet bought them myself but their helpful tech dept told me... "The kit comes with two pairs of bushes to suit to two different racks fitted to Mini's, one pair are 22mm ID and the other pair 28mm ID they are both 37mm OD." and they are 12mm thick. If you Google 'steering limiter' you'll also find a number of parts for Ford cars but I struggled to find any specs. Good luck... |
There's always a jubilee clip under the rack boot ploy as a lock stop, but don't tell anyone ssh! you know who!
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Hi, as most builders are replacing outriggers etc. during chassis restoration is possible to weld the front outrigger further back to enable more clearance to be obtained? If standard suspension bushes are used any clearance when stationary will reduce when driven especially under braking. T
yres will also change shape and and size also thus reducing clearance. |
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I may end up clearancing my bulkhead eventually, but I'm hoping to get away with fitting tyres that don't foul in the first place. The 155/80/14's fitted to two of my old mgb wires look the part and have the same sidewall height as the 175/70/14's that I keep coming back to. Once I've refurbished and fitted my bulkhead back on the chassis I'll bolt up the old 155's and see whether they fit. Here's hoping... |
Thanks very much to Petrux, Mr Towed & Davecymru for all the help and suggestions.
I have measured the 13/60 Herald steering rack, the shaft is 20.6mm and the rack end opening is 42.3mm. Speaking with KAD Engineering, their kit has both 22mm and 28mm i/d spacers, both with 37mm o/d that will slide inside the pocket of the rack? Not sure how that's going to work, the pocket is 16.8mm deep. They come with cable ties to secure them instead of jubilee clips, kinder on the rubber gaiters I guess. For under a tenner it seems a good value kit and I can't find anything else on the net that seems more relevant so one is on it's way here. I will report back on this thread when i've messed around with it a bit. Like Gary, I do like the tall period look of '66' and hope to keep the 185 x 70 x 15's I have already, It just mean's losing around 3/4 of a turn on the lock each way from dead centre. With the Herald's famous taxi turning circle it shouldn't be too much of a problem I hope. Can't be as bad as the L200 double cab pickup I used to drive, that was an absolute nightmare in multi story carparks. As for moving the outriggers to give more tyre space, I think it is probably a non-starter with the DVLA inspection ahead. I understand from talking to Gary in the past that they won't allow any chassis modifications, so you could then end up having to go the SVA route. |
Scrap the steering lock limiter.
I have to report that the steering lock limiters were not a success. They were too loose on the shaft for safety even after some adjustment with a hacksaw, so I have abandoned this approach. The instructions clearly state that they should be a tight fit at the end of the rack, or they could slide and possibly jam the steering travel.
Back to the drawing board with tyre sizes. I see Davecymru has 165/65/15's, and still experiences some scrubbing at full lock. Is this on the chassis rail or the bulkhead? Has anybody out there actually fitted a tyre on a 15" front wheel that does not touch the chassis under the pedals / battery box? I would be grateful to know of practical results, other wise I think the solution will be trial fitting some scrap tyres from the local garage until I find a combination that works. Our bulkheads are already modified and don't seem to be the problem. Look foward to hearing your experiences guy's. Paul D. |
Recessed bulkheads and abandoned steering limiter
http://i1217.photobucket.com/albums/...d/DSCF3213.jpg
http://i1217.photobucket.com/albums/...d/DSCF3215.jpg http://i1217.photobucket.com/albums/...d/DSCF3216.jpg Hope this might be of some help to others getting to this stage. Paul D. |
Hi Paul have you considered drilling the steering limiter and rack across the diameter and fitting a sprung rolled split pin ebay[190539899878] the hole would need to be a snug fit.
Just a thought, but would eliminate the sideways force. I don't think a small hole would weaken the rack. I have 185/55/15 on mine I have managed to sort it out with height adjustable shocks and a small recess in the bulkhead. |
This is a problem with the 15's ...I never really cured the red cars full lock issues ...we were going to weld steering stops onto the spindles but the car went to Germany before we dealt with it.
I think tyre sizes may be the easy option..... Also , once the car has been inspected ...it wouldn't be an issue if you were to 'repair' the outrigger and the replacement section ended up just back a little from the original ....or got bent a bit in the process of your restoration or that repair patch ended up just a bit shallow... ...:biggrin1: |
I've finally got mine not to scrub by recessing the bulkheads a bit more, i just needed to be creative! I'm fine on outrigger clearance.
I'll get some photos later as the front end i apart atm while i'm fitting the coilovers and cleaning, replacing and painting brake parts. |
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