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-   -   David's Build Thread (http://www.haynes.co.uk/forums/showthread.php?t=7031)

Davidbolam 17th November 2012 11:25 AM

some progesss
 
I managed to fit my brake flexi hoses the other day (made by furore). I am hesitant to fill the system with fluid. I willl need to remove the front flexi's when i attach the bodywork and dont want a mess in my garage..... However i do fancy the idea of taking the car for a quick spin (on a private road ahemm cough).

I have also rec'd 2 grp seats from kit spares in Hull (the biggest box I have ever had delivered - my son immediately made it into a submarine). They seem to be good quality, however the way the harness holes have been trimmed seem to make it impossible to fit the edging strip. Looks like I will have to ask santa for a Dremmel! Could be handy with the bodywork as well.

Has anyone else fitted these seats? If so what kinds of runners fit? The seats seem to have a bulge underneath so they presently dont sit completely flat on the floor. I was hoping not to use a runner on the passenger seat to save a bit of weight.

deezee 17th November 2012 11:36 AM

Just a quick mention that I had to get a certificate of Conformance for my brake lines (Also from Furore) to pass the IVA.

Davidbolam 17th November 2012 11:43 AM

Did Russ provide this free of charge? I am well impressed with the service so far

deezee 17th November 2012 12:13 PM

I'd expect so. I sorted it out myself, a long with many other items of paperwork the IVA man wanted to see to prove stuff was suitable if it wasn't marked as such (fuel filler hose, carb rubbers and brake lines). Receipts don't do it, they wanted actual proof.

Davidbolam 29th January 2013 09:36 PM

Broken bolts in thermostat housing aghhhh!
 
I popped out for 2 mins tonight (braving the cold) to do something on the car. I thought an easy job would be to change the thermostat. Both of the bolts sheared off. Has anyone got any ideas of how to remove them??? Here is a picture. I was contemplating drilling them out and using 2 long bolts.


vmax1974 29th January 2013 09:47 PM

Will the thermostat housing slip over the broken studs

If they will take housing off place washer over stud weld stud to washer then weld a nut to the washer

The heat generated should make the stud easy to remove cause the alli will expand with heat twice as much as the steel

Hope this helps

Davidbolam 29th January 2013 09:53 PM

I cannot get the thermostat housing to move. The bolts seemed to be really soft as though they were aluminium.

Davidbolam 29th January 2013 10:19 PM

I've managed to remove the thermostat cover and I have about 4-5mm of bolt showing. Any other way of doing it other than welding?

vmax1974 29th January 2013 11:04 PM

As long as you can apply heat and grip and turn the stud it should come out

I assume you have handed the welder back if you do need one you could come borrow mine for a day or 2

rapidtornado 30th January 2013 12:18 AM

I had a similar issue on my manifold block, the way I tackled it was to drill a 3-4mm hole in the centre then slam an oversized torz bit into the hole. Hit the torx bit fairly hard to try and 'jar' the bolt, then put a socket it on it and wind it out... it may not work if the material is as soft as you say but it worked for me in the past when all else fails

hence why me and half pint nick named the car 'bolt'...

alga 30th January 2013 03:56 PM

My vote goes for welding something to the studs, too. I had also used a stud extractor on a broken exhaust stud successfully.

robo 30th January 2013 05:46 PM

Quote:

Originally Posted by alga (Post 88254)
My vote goes for welding something to the studs, too. I had also used a stud extractor on a broken exhaust stud successfully.

I did a bit on this but cant find it. Has the search engine gone tits up??????:eek:

Bob

flyerncle 30th January 2013 06:18 PM

Another method I have had great succes with is to put a cut down the side of where the stud/bolt is mounted and open it slightly with the right sized chisel and as you say David nut and bolt.

If you are stuck give me the nod.

Davidbolam 30th January 2013 09:46 PM

Thanks I have ordered a stud removal tool off ebay and will see if it works. I am going to spray the joint with wd40 as much as possible until it arrives. If that doesn't budge I will try some of the other methods.

Exhaust. I managed to find and exhaust on ebay off a 7 style car (not sure which) it should have arrived today but I missed the delivery by about 5 minutes and they didn't try to leave it with a neighbour or behind my bin that was the instruction on the parcel!! Hope it's ok when it arrives as I got it for £25

David

vmax1974 30th January 2013 11:20 PM

I find plusgas to be better freeing off oil

Davidbolam 31st January 2013 09:07 PM

Gearbox speedo adapter
 
I have finally found a supplier for the 90 degree angle for the speedo cable! 18.50 delivered. Better than 80 from toyota (used though). I have just sent the guy an email to see if he has any more available for mx5 powered builders.

David

Davidbolam 2nd February 2013 09:26 AM

success
 
The post man came running down my street yesterday, whilst I was working on my car and said," here are some more parts for your kit car!" Luckily it was the stud extractor and the snapped bolts came out straight away! Now just waiting for my Exhaust to turn up!

Johno 3rd February 2013 10:24 AM

Hi David,
What type of exhaust did you go for in the end?
I see you're progressing quickly on the car now...:cool:

Davidbolam 4th February 2013 02:23 PM

Hi Johno,

I bought the exhaust of ebay and was told it had been fitted to a vindicator, however i think its off a robin hood. I am only going to use this temporarily until I buy a cbs one. It should stop the neighbours complaining too much.

I am still waiting for the exhaust to arrive (after making several complaints to the courier).

fingers crossed it should be there tomorrow!!

In the meantime I have been working on my tool shadow board on the garage wall. You can never beat good tool control!

David

Davidbolam 24th February 2013 07:53 AM

A bit more progress
 
I've spent a bit more time in the garage lately. I have installed my radiator and some of the pipe work. I am waiting for a gasket and an olive to turn up in the post so that I can finish it. When I took off one of the old coolant tubes to the water pump inlet the tube had corroded badly so needed replacing. I looked on mx5 parts £100! And ebay £40! So i went to the specialist breaker next to me and got one for £5 that is almost brand new. I also managed to pick up a fuel pump plug for eternal.

Here is a picture of my almost complete radiator...



Eternal 24th February 2013 10:01 AM

Looking good David i have to admit its a very smart build! Thanks a load for finding that plug wont be long now till i can get the beast running.

Davidbolam 25th February 2013 10:29 PM

Suspension set up
 
I want to set up my suspension roughly myself. What angles should I measure and what should they be??? And.... Has anyone got any tricks for measuring them. I was planning to make a cardboard plum bob.

Also has none used the bodywork from agm? Would there be any problems with the side panels stopping short of the suspension?

David

flyerncle 26th February 2013 07:52 PM

I have a magnetic camber guage if you are stuck.;)

Davidbolam 27th February 2013 09:57 AM

Quote:

Originally Posted by flyerncle (Post 88762)
I have a magnetic camber guage if you are stuck.;)

Cheers,

I am going to try and make a plumb bob contraption with a protactor some string and MDF. If I get stuck I will give you a shout.

When it gets a bit warmer you will have to keep an eye out for me working on my car when you are on the Base leg of the circuit which seems to be right over my house.

I am going to try and set up my rear wheels with 1 degree camber and the front wheels with a couple of degrees toe in. Does this sound about right? All I could find was something on the westfield owners club forum....

Stot 27th February 2013 10:22 AM

On page 159 of the book it has recommended starting points.

Front and Rear Camber 1 degree negative
Front Toe In 0-0.5 degrees
Type Pressures 18-20psi.

Cheers
Stot

Davidbolam 27th February 2013 10:27 AM

Quote:

Originally Posted by Stot (Post 88771)
On page 159 of the book it has recommended starting points.

Front and Rear Camber 1 degree negative
Front Toe In 0-0.5 degrees
Type Pressures 18-20psi.

Cheers
Stot

Thanks.

Why don't you get you logo made into a badge as it would look great on a nosecone.... or let me have the artwork to make some up.

Stot 27th February 2013 11:12 AM

Quote:

Originally Posted by Davidbolam (Post 88772)
Thanks.

Why don't you get you logo made into a badge as it would look great on a nosecone.... or let me have the artwork to make some up.

I have a CNC Mill at home to do just that. :) Wheel centres too.

If you want the artwork still I can sent it over.

Cheers
Stot.

flyerncle 27th February 2013 06:13 PM

By all means do David,no probs at all.
Every time I am in the curcuit its usually mental with inbound IFR traffic and they tend to say the imortal words "keep it tight and expadite vacate" so I tend to turn base at Brunswick Ind Est and descend quick to land well up to vacate Foxtrot.

Set up a flashing light and we can sort a flight one day.

If you are stuck let me know.

Davidbolam 5th March 2013 08:41 PM

Quote:

Originally Posted by flyerncle (Post 88780)
By all means do David,no probs at all.
Every time I am in the curcuit its usually mental with inbound IFR traffic and they tend to say the imortal words "keep it tight and expadite vacate" so I tend to turn base at Brunswick Ind Est and descend quick to land well up to vacate Foxtrot.

Set up a flashing light and we can sort a flight one day.

If you are stuck let me know.

Somewhere I have a bright orange allied forces marker (from the gulf war 1 designed for the top of a tank. not mine just acquired it) as long as you not in an a10 you should spot it.

Here is a picture of the earth bond I have added to my tank. I have used 17 amp wire. Will this be sufficiently thick?


CTWV50 6th March 2013 02:57 PM

Quote:

Originally Posted by Davidbolam (Post 88898)
Somewhere I have a bright orange allied forces marker (from the gulf war 1 designed for the top of a tank. not mine just acquired it) as long as you not in an a10 you should spot it.

Here is a picture of the earth bond I have added to my tank. I have used 17 amp wire. Will this be sufficiently thick?


Hi David,

Just modded the sender for my build to fit it into the tank. My first question is....

How have you bolted/bonded the pump and sender unit to the tank?

and secondly.....

Surely if you earth the tank to the body when fuel causes a path of least resistance between the tank and the live wire in the tank the pump and/or sender will stop working and probably blow a fuse??

I was thinking about this this morning after reading up on fitting a metal fuel tank. Surely the tank needs to be isolated from the body altogether?

Confused!:confused:

Edit: I must be miss understanding something about vehicle electrics as surely even if the tank wasn't earth bonded to the chassis the pump and senders positive and return would short when wetted by fuel. I remember having the same thoughts when I replaced an in tank fuel pump and my old car. :confused:

Edit!!!!

Oh petrol in non conductive ! Well that explains a lot!! haha! I thought all liquids conducted electricity! Doh!

alga 6th March 2013 03:16 PM

Quote:

Originally Posted by Davidbolam
Here is a picture of the earth bond I have added to my tank. I have used 17 amp wire. Will this be sufficiently thick?


More than enough. Fuel pump and sender probably have their own ground feeds, this one is just to prevent static buildup on the tank.

Davidbolam 6th March 2013 03:16 PM

Quote:

Originally Posted by CTWV50 (Post 88916)
Hi David,

Just modded the sender for my build to fit it into the tank. My first question is....

How have you bolted/bonded the pump and sender unit to the tank?

and secondly.....

Surely if you earth the tank to the body when fuel causes a path of least resistance between the tank and the live wire in the tank the pump and/or sender will stop working and probably blowing a fuse or worse causing a spark in the tank??

I was thinking about this this morning after reading up on fitting a metal fuel tank. Surely the tank needs to be isolated from the body altogether?

Confused!:confused:

To install the send i used m4 ultra low profile rivnuts. I then used the rubber gasket of the sender unit that is quite thick and lots of sealant. Robo recommended some sealant that was made by 3m and resistant to almost everything. The sides of the sender were ground away slightly with an angle grinder so that I could get a flush fit.

As far as the earth goes the sender has its own earth that runs back through the cars electrics however I added another one to satisfy my IVA. The fuel pump still works with the earth attached. I think the tank is negatively earthed on an mx5.

Let me know if you find out otherwise...... (in case I blow my garage up by mistake)

Stot 6th March 2013 03:37 PM

Quote:

Originally Posted by CTWV50 (Post 88916)
Surely if you earth the tank to the body when fuel causes a path of least resistance between the tank and the live wire in the tank the pump and/or sender will stop working and probably blow a fuse??

Petrol has very little electrical conductivity. Consider that the fuel level sender is offen a bare resistance coil dipped right in the petrol and it doesnt affect it. Also given that the fuel is wrapped up in metal, the fuel its self will never be the path of least resistance. AFAIK most fuel tanks are earthed.

edit: Found this in a Fire Brigade, Fire Safety leaflet.

Quote:

Petrol Engined Vehicles
Gasoline vapours contained within the fuel tanks of road vehicles are generally too rich to ignite. However, there is a zone near the tank filler cap, which may be in the flammable range when the cap is removed. During fuelling, flammable atmospheres may exist externally around the filler orifice. Therefore the possibility of an ignition from electrostatic discharge has to be considered.
The flow rates and hose diameters used at service stations are usually small enough to ensure that dangerous levels of static charge are not built up in either the vehicle's fuel tank (provided the design is such that it is not highly insulated from the vehicle body) or on the surface of the filling hose. There is the possibility however that an insulated conductor involved in the operation, such as the filling nozzle, the vehicle itself, an insulated filler neck on the vehicle tank, or the person doing the filling, could accumulate a static charge. Any of these could produce a spark in the flammable zone around the filling inlet and cause an ignition.
Cheers
Stot

CTWV50 6th March 2013 04:13 PM

Thanks for that david. And thanks for clearing up the question of petrol condutivity everyone! Haha.

flyerncle 6th March 2013 05:41 PM

Have seen films of petrol tanker explosion caused through static when I did an ADR course, Guy was blown from top of tanker when answering phone,a women slides across seat to get purse and touches nozzle and bang nice fire.

Moral of story,dont wear nylon and earth the tank.;)


Sender unit resistor is insulated from body of tank otherwise A,it would not work and B it would short and blow fuse.

Eternal 6th March 2013 11:25 PM

LOL thankd David you are my 200th sub on youtube! Will have to send you a Mars bar or something =P

Davidbolam 7th March 2013 08:43 AM

Quote:

Originally Posted by Eternal (Post 88933)
LOL thankd David you are my 200th sub on youtube! Will have to send you a Mars bar or something =P

I've also noticed a new roadster on there. its only been on for 2 weeks and is racing an m3 around a track. Looks like spuds car.

Does anyone know who's it is??
David

mark 7th March 2013 07:42 PM

Definitely spuds car

Seemed to be doing ok too, although the m3 seemed more interested in going sideways than fast :)

flyerncle 7th March 2013 07:51 PM

Had a ride in Spuds car at Teeside,well sorted and handy motor,defo better than beemer.:p

Davidbolam 15th March 2013 03:16 PM

Exhaust
 
Has anyone got an idea of how I can remove the old pipe from my exhaust. There is a rusty bit of 2 inch tube that has been forced inside the exhaust. .??....

Here is a photo. I have tried wacking it with a BIG hammer and a cold chisel. Now I just have 2 holes. I tried heating it on the cooker to expand it a little but it's stuck fast? Tried wd40 as well



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