The Triumph Dolomite Club - Discussion Forum

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 Post subject: Re: 1974 Spitfire MKIV.
PostPosted: Mon Dec 22, 2014 9:38 pm 
Quote:
That low at a spitfire you have to photoshop your rear wheels like this.

Jeroen
Attachment:
demon_camber_oni_kyan.flv7_.jpg
Haha, yeah i was just playing around with ride height, it wouldn't be that low!


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 Post subject: Re: 1974 Spitfire MKIV.
PostPosted: Wed Dec 24, 2014 10:34 am 
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Joined: Tue Oct 03, 2006 9:45 pm
Posts: 11179
Location: Middlesex
You are a bit limited with range of wheels and speed bump ground clearance on a Spit.
Mine is on the 5.5J GT6 wheels and 175/70's and is a reasonable compromise.

MGF wheels give you more modern tyre sizes but I doubt you can go much above 195 and still fit in the arches.

Too much grip and you cant drift either....

On your early post yes its all about keeping out the moisture. Good zinc primer and top coat is the thing.

Jonners

_________________
Note from Admin: sadly Jon passed away in February 2018 but his humour and wealth of knowledge will be fondly remembered by all. RIP Jonners.


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 Post subject: Re: 1974 Spitfire MKIV.
PostPosted: Tue Mar 10, 2015 3:35 pm 
> I doubt you can go much above 195 and still fit in the arches

The donor MGF has 195 R15 tyres on the front, and wider (205 or 225, can't remember offhand) on the rear.
The rear tyres will fit under standard arches on the back and look HUGE on the car.

The front is a different matter, and anything above a 185 R55 is asking for trouble. Even with a 185 they can catch on full lock.

Also, from what others have told me, you'll need to upgrade to Landrover M12 studs and MGF nuts to cope with the extra grip and sideways forces on the hubs; the little Spitfire ones aren't much good above the standard 13R 4.5J wheels. You can go back to standard spitfire wheels after the upgrade, the standard steel wheels will still fit on the thicker stronger studs.

Finally, 2 different people have now commented on the handling becoming 'skittish' above 70MPH with 175 or 185s on the front and wider tyres on the rear, so I think personally I'd go for 175s all round, or maybe 175 front and 185 rear.


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 Post subject: Re: 1974 Spitfire MKIV.
PostPosted: Thu Apr 09, 2015 9:35 pm 
Well i've pulled the whole rear of the spit apart, and found that the yolk on one of the flanges on the driveshaft was cracked so this means a new driveshaft... yawn. Going to get the hubs split, check the bearings if OK as the oil catchers had rusted through and im worried water has gone.

I have also dropped the diff which has been wire brushed but still has surface rust. I think the I will replace the front seal on the diff as it's leaking (presumably from this). The oil which came out of it was like honey, and black so will also be replaced!

It's not looking too good under the spit though, dont fancy going under there too much with a grinder though on my back... Advice?

Image

Image

I also split the rear leaf spring apart and started painting it. White, as that's all i had at hand! Oh well, wont be visible once in so that doesn't matter :) Just need to replace the spacer tubes, bolts and buttons between the leaves.

Image

Image

Not much else going on really as i've been at university. Hope to progress some more over the next few days, but wont be doing anything more for another couple of months unfortunately.

Cheers
Louis


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 Post subject: Re: 1974 Spitfire MKIV.
PostPosted: Fri Apr 10, 2015 12:13 am 
Normal advice is to get all 4 wheels up on car ramps (I can see 2 in the distance of one of your photos) these give you a heck of a lot more clearance than axle stands when you're lying underneath.
However, with half of your car's rear end dismantled, that might not be an option!


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 Post subject: Re: 1974 Spitfire MKIV.
PostPosted: Fri Apr 10, 2015 2:32 pm 
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Joined: Tue Oct 03, 2006 9:45 pm
Posts: 11179
Location: Middlesex
Long time since I did mine but new buttons are a must, as is the rubber block in the spring box.

It wears/sqaushes on one side where the driver mostly adds weight so can make the car a bit lop sided after 40k miles or so.

The rounded edge of the spring goes to the front too IIRC.

Just wire brush the chassis of and repaint it.

You can buy new "yokes" if its just the flat bit. If its the one on the shaft sadly you need to change the whole shaft.
I'd get a 2nd had one but be sure its the correct length....there are 2 sorts. Replace the wheel bearing before fitting
and a new trunion kit and it should be good for another 50k miles or so at least.

Jonners

_________________
Note from Admin: sadly Jon passed away in February 2018 but his humour and wealth of knowledge will be fondly remembered by all. RIP Jonners.


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 Post subject: Re: 1974 Spitfire MKIV.
PostPosted: Sun Apr 12, 2015 12:37 am 
Did a bit more today, rebuilt the leaf spring with new bolts, diy spacer tubes and new buttons which I made from moulded silicone. will see how well they work in the future!
Image

Also cleaned up the diff but still a bit greasy, will normal degrease sort this out? Anyone cleaned up their different in the past?
Image

Also vacced out the inside and applied filler to the outside
Image

Image

Image.


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 Post subject: Re: 1974 Spitfire MKIV.
PostPosted: Sun Apr 12, 2015 8:57 am 
Louis, impressed that you made your own silicon leaf spring buttons!
I've heard people doing this since the Dutch spit club stopped doing them, but did you need a lathe to get the tails turned down?
Best degreaser I've used is Jizer, expensive but works well.


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 Post subject: Re: 1974 Spitfire MKIV.
PostPosted: Thu May 07, 2015 11:52 am 
Quote:
> I doubt you can go much above 195 and still fit in the arches

The donor MGF has 195 R15 tyres on the front, and wider (205 or 225, can't remember offhand) on the rear.
The rear tyres will fit under standard arches on the back and look HUGE on the car.

The front is a different matter, and anything above a 185 R55 is asking for trouble. Even with a 185 they can catch on full lock.

Also, from what others have told me, you'll need to upgrade to Landrover M12 studs and MGF nuts to cope with the extra grip and sideways forces on the hubs; the little Spitfire ones aren't much good above the standard 13R 4.5J wheels. You can go back to standard spitfire wheels after the upgrade, the standard steel wheels will still fit on the thicker stronger studs.

Finally, 2 different people have now commented on the handling becoming 'skittish' above 70MPH with 175 or 185s on the front and wider tyres on the rear, so I think personally I'd go for 175s all round, or maybe 175 front and 185 rear.

EDIT: Tyre size comparison - see attachment.

So I think my choice would be 175/60R15 (23.3" x 6.89") all round,
or you could just have them on the front so the steering doesn't suffer, and go for 185/60R15 on the back (23.7"x7.28") or maybe keep the MGF's 195/55R15 (23.4"x7.68") for the back.


Attachments:
tyres.jpg
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 Post subject: Re: 1974 Spitfire MKIV.
PostPosted: Mon Sep 07, 2015 9:50 pm 
Well,
It's been a while since i've posted any updates! And a fair bit has been done :D
I have rebuilt the leaf spring and given it a lick of blue paint to make it look better (white was a bit, meh), cleaned up the diff and re-fitted it under the spitfire which was a bit of a pain even with a trolley jack! I have also put all new bearings, shocks, nuts, bolts, trunnion bushes with plenty of grease/copperslip. Both sides are re-assembled with brake shoes in and leaf spring in position.

I have also been welding recently which entailed fitment of the rear quarter/ end of sill, and putting end plates onto the sills and my rear boot quarter repair.

Also undersealed my nearside rear arch after the repairs.
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 Post subject: Re: 1974 Spitfire MKIV.
PostPosted: Tue Sep 08, 2015 7:27 am 
Long time no hear, I was thinking of this resto the other day. :)


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 Post subject: Re: 1974 Spitfire MKIV.
PostPosted: Tue Sep 08, 2015 2:47 pm 
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Future Club member hopefully!
Future Club member hopefully!

Joined: Fri Aug 13, 2010 8:50 pm
Posts: 567
Location: newton abbot, south devon
Quote:
Louis, impressed that you made your own silicon leaf spring buttons!
I've heard people doing this since the Dutch spit club stopped doing them, but did you need a lathe to get the tails turned down?
Best degreaser I've used is Jizer, expensive but works well.
I MADE SOME ON THE LATHE FOR A FRIENDS SPITFIRE. I'VE STILL GOT THE SPARE ROD IF YOU KNOW ANYONE ELSE WHO WANTS SOME. ALSO YOU NEED TO USE ENGINE OIL IN THE LOWER TRUNNIONS.


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 Post subject: Re: 1974 Spitfire MKIV.
PostPosted: Thu Sep 10, 2015 11:23 pm 
Well I have undersealed and completely welded up all the rear arch on the nearside, this side is now done welding wise! Hooray!

I put her back onto her wheels, and lowered off the jackstands to find it at a nice stance. Forgotten how low down these cars are! Wanting slightly lower mind... but not to worry for now.

I also filled the diff full of oil now so another job off the list :) Milk bottle is a 4 pinter as reference to height.
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 Post subject: Re: 1974 Spitfire MKIV.
PostPosted: Fri Sep 11, 2015 9:22 am 
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Joined: Tue Jul 15, 2008 9:13 am
Posts: 383
Location: Lancaster
Bit of a hijack but of interest to Spitfire owners reading this. At the TSSC International I discovered that BCC were making new leaf springs for Spitfires. Brand new, correctly tempered to give original ride height - long term. I'm sure other Spitfire owners on here will know the sagging spring issues with many aftermarket ones. These look promising fit and forget items. http://www.britishclassiccarparts.com/

Steve

_________________
Steve and Nic
1979 Dolomite Sprint Brooklands Green.
Ever increasing box of spares.
Larger garage needed


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 Post subject: Re: 1974 Spitfire MKIV.
PostPosted: Fri Sep 11, 2015 12:58 pm 
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Future Club member hopefully!
Future Club member hopefully!
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Joined: Tue Oct 03, 2006 5:52 pm
Posts: 7562
Location: Halifax, West Yorkshire
I wouldn't worry too much about the ride hight at this stage. You've still to parts to fit and paint to go on. Once the car has had some miles put on it the suspension will settle.

Keep up the good work.

_________________
Toledo Man

West Yorkshire Area Organiser & forum moderator
Meetings take place on the first Wednesday of the month at 8.00pm at The Old Brickworks, Wakefield Road, Drighlington, Bradford, BD11 1EA

1972 Dolomite 1850 auto (NYE 751L - Now for sale)
2003 Volvo XC90 D5 SE (PX53 OVZ - The daily driver)
2009 Mercedes-Benz W204 C200 CDI Sport (BJ58 NCV - The 2nd car)
1991 Toyota Celica GT (J481 ONB - another project car)
Former stable of SAY 414M (1974 Toledo), GRH 244D (1966 1300fwd), CDB 324L (1973 1500fwd), GGN 573J (1971 1500fwd), DCP 625S (1977 Dolomite 1300) & LCG 367N (1975 Dolomite Sprint) plus 5 Acclaims and that's just the Triumphs!

Check my blog at http://triumphtoledo.blogspot.com
My YouTube Channel with a bit of Dolomite content.

"There is only one way to avoid criticsm: Do nothing, say nothing and BE nothing." Aristotle


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