Chris, Checking the run out with the wheels installed on the car will tell you a bit more. If the wheel “barrels” then either the shaft is bent, the flange is not true or as Jim says the wheel might not be torqued up correctly and no amount of balancing will correct this; it would be more likely to be felt at most speeds. If it runs true in one plain but is eccentric then this will give uneven tyre wear and frequency related shimmy so back to the wheel centre inserts.
Presumably you have moved the wheels around the car to see if it follows specific wheels? One final thought, do you have wheel spacers? If so are they parallel? Do you have positional washers/bushes on the studs to set the spacer concentric with the wheel? With my 15” wheels + 5 mm spacers I found that the positional washers/bushes were not sitting fully home and were causing the spacer to sit out and make the wheel barrel – this was instantly noticeable when spinning the wheel before removing the jack and trying it on the road. Hamish From: Chris Fairlie Sent: Friday, May 06, 2011 1:39 PM To: [email protected] Subject: RE: [Quantum Owners] Wanted XR2 drive shafts and hubs Hamish, Jon and Geoff Thanks for the thoughts. The vibration has been there since I bought the car 4 years ago. The last time I had the balanced the wheels were check by eye on the balancing machine and all 4 were found to be slightly buckled, but there is no sign of kerb or pothole damage to the rims. They do have the plastic inserts to ensure they are aligned on the hubs. The new wheels also have similar plastic inserts and fit very snugly on to the centre of the hubs. As I said before I hoped that replacing the buckled wheels with new ones would get rid of the vibration. I’m now thinking, as Hamish suggested, that perhaps the drive shaft is unbalanced or bent. This may have caused the buckled wheels. I’ve found a couple of places where I can get new CV Joints, but no one has complete drive shafts. Regards Chris From: [email protected] [mailto:[email protected]] On Behalf Of geoff ward Sent: 05 May 2011 23:26 To: [email protected] Subject: Re: [Quantum Owners] Wanted XR2 drive shafts and hubs Hi Chris, Jon could be right, if you haven't checked they are really snug fit it could be worth checking. Strangely 2 off Carole's wheels an extra sort of ring thing to make the bit that fits over the spigot and 2 have been machined to fit perfectly as they are. When one of the special rings went missing some time during a tyre replacement to a front wheel the vibration between about 55 to 70mph was very noticeable. fortunately i found a suitable replacement and the problem completely disappeared. Good luck hope you find the cure. Regards, Geoff. On 5 May 2011 22:58, jon jackson <[email protected]> wrote: Hi Chris, before you change the shafts have you checked to make sure your whels are located on the hubs centrally as some aftermarket wheels are too big and its vital that the hub spigot is a snug fit.............or you get vibration between 50 and 70 mph! Just a thought, good luck. Cheers Jon ----- Original Message ----- From: "Chris Fairlie" <[email protected]> To: <[email protected]> Sent: Thursday, May 05, 2011 7:21 PM Subject: [Quantum Owners] Wanted XR2 drive shafts and hubs Has anyone got any usable XR2 driveshafts and front hubs I can buy? I have a bad vibration between 50 and 70mph. I've changed the brake discs, tyres, & wheels and they have been balanced many times. So time for more drastic measures. Regards Chris Fairlie -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Robert Craig Sent: 04 May 2011 19:47 To: [email protected] Subject: Re: [Quantum Owners] XR2 PARTS & SUBTLE MODIFICATIONS FOR 2+2 AND COUPE Also DCNFs fit better in the XR2/Quantum engine bay. the DCOEs end up very or hard against the subframe at the bulkhead. Bob Craig Q2-267 ----- Original Message ----- From: "Ian Harrison" <[email protected]> To: <[email protected]> Sent: Wednesday, May 04, 2011 7:31 PM Subject: Re: [Quantum Owners] XR2 PARTS & SUBTLE MODIFICATIONS FOR 2+2 AND COUPE Yep dcnf are downdraft twin choke carbs. Ian Sent from my iPad On 3 May 2011, at 15:31, Jim <[email protected]> wrote: Very interested in the dcnf carbs. Out of interest what's the difference betwixt them and the dcoe? Thought it was side vs top draft? Do both types fit a 2+2? (with 2,0 cvh conversion ongoing)(slowly - hopefully unlike the final result!) Jim Wall Sent from my mobile On 2 May 2011, at 17:34, Kelvin Chambers <[email protected]> wrote: Following the sale of my 2+2 last year due to ongoing neck pain [following a serious RTA in my Audi] I have been having a clearout of my shed and am now disposing of all my XR2 parts and serious modifications I was planning for my 2+2. So here is a list of parts with estimated prices before I list them on ebay - If anyone is interested in a job lot I am open to sensible offers....... Brand New Zetec 1800 Engine with gearbox and CV Joints connected. Plus Lightweight 4 branch Stainless Steel manifold and front exhaust pipe, Plus wiring loom to connect XR2 wiring loom to the Zetec engine. Plus complete fuel injection system all brand new. Superb opportunity to upgrade a tired CVH engined Quantum. Offers for the whole lot around £400 4 x Wolfrace Quantum Alloy Wheels 6.5J x 15 5 Spoke for Fiesta Mk 2 and 3 so OK for H4 as well as 2+2 and Coupe complete with Uniroyal Rainsport 1 Tyres 195/50 R15 82V Rotational. Wheels and Tyres are almost brand new and look lovely on a Q. £200 set of 4 (photos available) Weber Twin 40s DCNF Matching Carbs. Numbers are 99-250 3M / 100-250 4A. Complete with K&N Filters on CVH Manifold plus 2 x Weber Service Kits 9214100501. I had these on my 2+2 and are jetted for a 1.6 CVH engine. They increased power output to around 120bhp. These are expensive. Will sell to Q owner for £200 Weber Twin 40s DCOE Matching Carbs with small trumpets. Matching Numbers 151 242 02 on each carb. On a CVH Manifold complete with Filter King Fuel Pressure Regulator and 4 x ITG Megaflow Filter Socks. These are very special carbs and are like new - approx 500 miles use only. I had these with a 2.0 litre ZVH engine but have sold the engine to a Quantum Owner who didn't require the carbs. Jetted for a 2.0 litre ZVH engine. Again, these are very expensive carbs. £300 ono Electric Power Steering Conversion Kit. Comprises a Vauxhall Corsa electric power steering column C/w steering wheel and knuckle joint, wiring loom and electronic brain to operate the system. These are about £1400 for a new kit from Demon Tweeks. Selling for what I paid for it £240 2nd Corsa Electric Power Steering Column with motor and ECU control box. £100 Haynes Weber Carburettors Owners Workshop Manual £5 2+2 Boot Cardboard Trim Pieces to trim the boot area - was £14.82 £5 XR2 Pair Headlights £10 2+2 Boot lid Fibreglass Inner Liner - good condition £5 Fiesta Mk 2 Steering Rack from AP Lockheed Brand New but broken bracket on one side. It could be repaired or use two large washers either side £5 Fiesta Mk 2 Steering Rack from AMK Automotive Components. Brand New £10 Weber 32/34 DFT square top twin choke carb. For spares or repair - you would need to strip it down £10 XR2 Fog light / Heated rear window switch plastic cluster. Screws to side of dash. Excellent codition. £5 XR2 Hand Brake Cabels. Brand New with adjuster £10 XR2 Dashboard Carcass cleaned ready for spraying black £5 XR2 Instrument Binacle showing 86000 miles £5 XR2 Rear Suspension Trailing Arm Pair £10 XR2 Mechanical Fuel Pump FREE XR2 Distributor plus HT leads FREE Please contact me on the Google Group or via e-mail direct to: [email protected] or my home number is 01722 327594 if you want to discuss. Thanks for your interest. Kelvin Chambers -- You received this message because you are subscribed to the Google Groups "Quantum Owners Group" group. 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