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Aedificantium in viridi Apparatus
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Got the MX5 back, all factory bushings have been replaced with urethane the car drives more precisely than it has ever. For the first time since I have owned the car, I feel one with it. It is the feeling that I got the first time in the NA.
Nice one Dennis, sounds like that's been a good move 👍
 
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Spending the kid's inheritance .............
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I was never happy with the handling of my Mk3. I still cannot understand why the Mk3 appears to be the only MX5 to leave the Hiroshima factory with the first owner having to get the necessary alignment done after collecting the car from his Mazda Dealer.
 

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Aedificantium in viridi Apparatus
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9,610 Posts
I was never happy with the handling of my Mk3. I still cannot understand why the Mk3 appears to be the only MX5 to leave the Hiroshima factory with the first owner having to get the necessary alignment done after collecting the car from his Mazda Dealer.
I honestly believe they we're all the same Nick, every MX5 will benefit from a proper alignment by a knowledgeable specialist. Unfortunately the production linr tolerances on the NC we're left very, very wide. Even my 2007 pre factory suspension improvements was a better driving car than my NBFL. Sure it did have the benefit of the LSD but once my guy did a proper alignment, that car was very chuckable and very stable.
I believe Tony Bones (WIM) described the NC as one of the finest chassis that he'd worked with.
Just my idle thoughts, as we all know their all fantastic cars when set up well. 👍
 
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Aedificantium in viridi Apparatus
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My mechanic was skeptical that I would be able to tell a Difference. But it is a night and day difference. He drove it to get an alignment and was amazed.
I assume the new bushes haven't made the car overly harsh either?
Asking for a friend 😉
 
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Token Yank
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I assume the new bushes haven't made the car overly harsh either?
Asking for a friend 😉
Harsh, what is harsh. I drove a Series Land Rover. Nothing is harsh. The thing I have noticed is that Jason must have missed lubing at least one bush, as I have noticed a squeak.
 

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Aedificantium in viridi Apparatus
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9,610 Posts
Harsh, what is harsh. I drove a Series Land Rover. Nothing is harsh. The thing I have noticed is that Jason must have missed lubing at least one bush, as I have noticed a squeak.
Very good question Dennis, one person's harsh is one person's comfort zone. Many people shy away from the harder eurethane bushes as the fear it may introduce unacceptable levels of additional NVH. Knowing the GM is approaching 10 years of age and that inevitably some bushes will need replacement at some point I was just interested in a subjective view of potential increased NVH. I mean the GM is set up very stiff anyway with the now Ohlins shocks and springs plus all the bracing. Also I believe it's impossible to simply replace OEM bushes without buying the suspension arms themselves leaving people with little choice than to opt for eurethane bushes or lash out on complete new suspension arms & links. Cheers.
 
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Premium Member
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I honestly believe they we're all the same Nick, every MX5 will benefit from a proper alignment by a knowledgeable specialist. Unfortunately the production linr tolerances on the NC we're left very, very wide. Even my 2007 pre factory suspension improvements was a better driving car than my NBFL. Sure it did have the benefit of the LSD but once my guy did a proper alignment, that car was very chuckable and very stable.
I believe Tony Bones (WIM) described the NC as one of the finest chassis that he'd worked with.
Just my idle thoughts, as we all know their all fantastic cars when set up well. 👍
Never had issues with my 'Graphite' or the '20Ae' I had....but sadly the first 2.0 Rc I had was horrendous....And as you rightly say Steve they would all improve with a proper alignment.
Urchfab, who has recently been using his 'Mongrel' on track, was highly impressed after having his done (Mk2 based).....I always thought the Mk2 was one of the better handlers!!
 

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Well, as I'm on an enforced weeks 'holiday' 😕 thought I'd get stuck into the sticky right hand front brake caliper on the Hornet.....
I purchased a second hand set along with braided HEL brake lines....fortunately the one caliper I needed to have good slider pins did, so after a bit of back and forth with the pistons just to be sure they are free all seems good, and no more squeaking!
 

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Aedificantium in viridi Apparatus
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Today I have been mostly under the bonnet of the GM.

You may have heard me talk about the strange rattle I've been getting on start up, it tends to go away or at the least go very quiet when the car was warm.

A few days a go I had the front up on the stands attending to the full alignment of the exhaust to accommodate re-fitting the BBR Touring back box. While it was up in the air it seemed a bit daft not to take half an hour or so to pop off the bottom tray to get a better look at what was going on under there. The undertray really just covers the rads for coolant,S/charger and aircon, however this noise has had me really perplexed, sometimes it sounds rotational, other times like metal pipes vibrating together so seeing all three heat exchangers and their pipework eliminated that theory, at least in that area.

Bear in mind just how far back the engine actually sits in the NC, with this cover removed you are not yet under the engine, however there is a little gap between the front ARB and the extreme front of the engine that just, just allows you see the front crank pulley, the aircon unit and the serpentine belt tensioner.

I fired it up and sure enough I heard this noise, on inspection I saw the noticed the tensioner dancing a little bit of a jig, nothing major but enough that I thought I had the answer. I got my stethoscope proby thing on it and YES, Eureka, I'd finally found the bugger. I sourced a new Gates tensioner unit (surprise all OEM in the UK out of stock!!! Hmmmm) but firts I tried just changing the pulley and bearing on the tensioner, why make more work for myself than I need to after all and the bearing wasn't in great shape anyway but nope, it still rattled. Nothing else for it to change the whole thing, unfortunately a price you pay when you fit superchargers etc is the room you lose to get what should really have been no more than 75 mins work but took just over three hours including swapping the pulley so not that bad really and I'm well used to it now anyway.

Some of you may recall I replaced a damaged drive belt about three years ago maybe (?) my thoughts are that the time the belt was damaged, i.e. chunked, I wonder if I let it run long enough to damage the tensioner internals? Once the tensioner was off and I gave it a tap on the casing it certainly rattled.

I gave a few things a check over, as we do, gave it all a wipe over with the proverbial oily rag and re-assembled it all.

Job done.

Oh yes, even with the battery removed along with the tray there is a lot of congestion in there due to hoses running to the charger intercooler pump motor and the additional idler pulley plate required to re-route the much longer belt to the 'charger.

Hood Automotive exterior Auto part Bag Motor vehicle


Yup, even with everything pulled back out of the way it's a tight fit in there. Tensioner unit is the new shiny looking bit at the LHS behind the Red Racing Beat ARB. Excuse the filth and crud. This winter will provide many a happy and no doubt cursing hour as I intend to get a lot of things tidied up and freshened up, health permitting.
Yes, I did check the condition of the belt and all is good, no cracking or apparent wear.

Motor vehicle Hood Automotive tire Automotive design Automotive exterior
 

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Aedificantium in viridi Apparatus
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9,610 Posts
somebodys been busy
I try my best when I can Rich. Health related issues all to often won't play ball with me though so I do what I can, when I can.
 
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