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Go Back   Madabout Kitcars Forum > Mad Build Area > Marlin Sportster, Cabrio, Berlinetta and Roadster builds

Marlin Sportster, Cabrio, Berlinetta and Roadster builds Enthused or Confused about your vintage Marlin build? Ask away here or show off your build.

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  #1  
Old 13th September 2010, 19:00
GlenSL GlenSL is offline
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Talking Build Started

Hi all, I have finally started on my Sportster, had some bits to take off before the building could start. Have started a Flikr diary, not much on there yet but its a start. Hopefully the link will work


http://www.flickr.com/photos/53317098@N03/

Last edited by GlenSL; 13th September 2010 at 19:02..
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  #2  
Old 13th September 2010, 19:07
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Awesome
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  #3  
Old 13th September 2010, 19:10
GlenSL GlenSL is offline
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Cool

Thanks Patrick, hopefully look as good as yours in a few months. Got a lot of work ahead of me.
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  #4  
Old 13th September 2010, 19:58
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A bit dusty but apart from that it looks like a brand new chassis! Looks like a good buy, good luck with the build.

...peter
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  #5  
Old 13th September 2010, 20:18
NigelB NigelB is offline
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Quote:
Originally Posted by GlenSL View Post
Hi all, I have finally started on my Sportster, had some bits to take off before the building could start. Have started a Flikr diary, not much on there yet but its a start. Hopefully the link will work


http://www.flickr.com/photos/53317098@N03/
I'm right behind you.

I'm collecting my Sporstster kit this Friday (17th) along with all the bits from the donor which I got Marlin to dismantle for me. (Oil and other ex donor muck on the driveway wouldn't win me many brownie points).

I'm putting a build log on Flickr as well. http://www.flickr.com/photos/marlinbuild/. Not much there yet either but there's pictures of the Roadster I built in the late 80s, and a couple of pics of my donor.

I'll follow your build with interest so I can pick up some tips as I go along...........

Nigel
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  #6  
Old 13th September 2010, 20:29
GlenSL GlenSL is offline
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Thanks Peter, it is really good nick like new so got myself a bargin

I am ordering my new front hubs and discs this week. I also want to put some new ball joints on as the chassis was not stored very well and they dont seem brilliant. I have however looked back at the posts and it seems that they are not as easy as firdt thought

I know I will be back with question and Nigel, feel free to ask I will help if I can, what age is your donor?

Glen
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  #7  
Old 13th September 2010, 20:38
NigelB NigelB is offline
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what age is your donor?

It's an E36 1994 L reg 325i coupe with the M50B25 lump in it.

I drove it down to Marlin a couple of weeks ago and there was no holding it back!! Only problem was some very noisy front hubs. So I have taken delivery of new hubs and discs today.
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  #8  
Old 13th September 2010, 20:42
GlenSL GlenSL is offline
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OK, I am going for a newer donor, '98 323i. I need to find one as the previous owner sold the engine, gearox and V5 that Marlin had supplied......shame!!

Seems you have beaten me to the front end bits, where did you get them?
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  #9  
Old 13th September 2010, 20:54
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Yipee lots of new builds to watch!
(making me feel a bit 'broody')
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  #10  
Old 13th September 2010, 21:26
Alfie Alfie is offline
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Good luck. Makes mine look positively advanced!
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  #11  
Old 13th September 2010, 21:49
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Quote:
Originally Posted by GlenSL View Post
OK, I am going for a newer donor, '98 323i. I need to find one as the previous owner sold the engine, gearox and V5 that Marlin had supplied......shame!!

Seems you have beaten me to the front end bits, where did you get them?
I think the 323i has the M52 engine which I was keen to avoid. I understand the ECU and EWS are something of a challenge with that, and later, engines. Timbo on this forum has had fun and games with it you have any problems. And Patrick has added a link that may help.

Front discs and caliper service kits came from Brakes International www.brakesint.co.uk and hubs from Euro Car Parts www.eurocarparts.co.uk

It'll be a pain not having the V5 if you want an age related plate. I think the rules say that you need at least two major components from the same vehicle and that they must be of provable age, otherwise its a Q plate. There's at least one thread on this forum on the very subject.

Nigel
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  #12  
Old 14th September 2010, 07:04
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Yes, watch out for the M52 engine's EWS - I've had an 'expert' looking at mine for a while now, due to reliability issues (EWS kept getting out of sync for no reason that we can find), he is now trying to re-programme the ECU to bypass the EWS completely. Will let you know if this works...
Good luck
Tim
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  #13  
Old 14th September 2010, 10:55
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Another new build - Huzzah!

Interesting to see that Marlin appear to supply the chassis with the steering column hole precut, and reinforced with a collar of some form...
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  #14  
Old 14th September 2010, 11:08
GlenSL GlenSL is offline
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I am looking to buy another donor car so I can get the age related plate, I need engine, gearbox, propshaft and driveshfts (it looks like the other guy took a hammer to the ones I have)

As for the ECU issues, I would really appriciate any feed back so I can tackle the issue early or I could always look at putting an after market one on such as Omex etc.

Thanks
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  #15  
Old 14th September 2010, 12:17
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Quote:
Originally Posted by GreatOldOne View Post
Another new build - Huzzah!

Interesting to see that Marlin appear to supply the chassis with the steering column hole precut, and reinforced with a collar of some form...
Mine was pre-cut, with a reinforcing collar supplied separately.
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  #16  
Old 14th September 2010, 14:33
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Quote:
Originally Posted by GreatOldOne View Post
Another new build - Huzzah!

Interesting to see that Marlin appear to supply the chassis with the steering column hole precut, and reinforced with a collar of some form...
Mine was precut - in the wrong place.......

Good luck to the new builders and remember you are supposed to be enjoying it!
It will be interesting to see if you can better our build times!

Robin
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  #17  
Old 14th September 2010, 16:57
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Quote:
Originally Posted by GlenSL View Post

As for the ECU issues, I would really appriciate any feed back so I can tackle the issue early or I could always look at putting an after market one on such as Omex etc.

Thanks
Because the ECU, EWS and key (and instrument cluster) are all inter-connected and inter-dependent, they must all be from the same donor. So it is not very easy to bypass any one of these components.

As I said, I will let you know if my attempts to re-programme the ECU to bypass the EWS is successful (or not). I would certainly try to use as much of the donor loom as possible (I had the engine supplied from FAB via Marlin which didn't come with much loom).

The main issues with regard the interface between the two looms are speedo (fairly easy fix with an aftermarket magnetic sensor on the rear diff, just remember to include a wire for it) and the temp gauge (I have 3 sensors, one for the ECU, one for the fan and one for the instrument gauge). I think the tacho and oil pressure were fine once I'd found the right wires, and the lighting circuits are ok.

The problem came in linking the ignition to the EWS to the ECU correctly, and this is where I may have gone slightly wrong, but with the original loom (and instrument cluster) in place, it may well be fine...
Hope this helps
Tim
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  #18  
Old 14th September 2010, 17:00
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Posted this a little while ago, these guys should be able to help with syncing ecu and ews as well as reprogramming the ECU if needed

http://www.madabout-kitcars.com/foru...ead.php?t=2728
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  #19  
Old 14th September 2010, 20:43
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Quote:
Originally Posted by GlenSL View Post
I am looking to buy another donor car so I can get the age related plate, I need engine, gearbox, propshaft and driveshfts (it looks like the other guy took a hammer to the ones I have)

As for the ECU issues, I would really appriciate any feed back so I can tackle the issue early or I could always look at putting an after market one on such as Omex etc.

Thanks
Glen,
I will ditto the warnings about e46 based M52 engines.
The EWS/ECU and instrument cluster are fiendishly complicated. I think I eventually figured it all out after hours of study, but I have decided it wasn't worth the potentail unreliability in an open top sportscar. If you breakdown anywhere you will never get it going. If you get a double VANOS engine, its double trouble as the only aftemarket ECU I could find that is designed for these are DTAfast top of the range and this kit starts at about 1000 plus a couple of mapping sessions!!
Added to this you will need a pair of cats to pass the emisions.
Even the guys listed by Patrick above wouldn't help me as it wasn't fitted in a BMW car with all the dashboard intact.
I'm not saying it can't be done (and I nearly did it!) but you need to do some serious research and have some deep pockets.
Try to find a pre 1995 car with an M50 or M20 engine.........
....no EWS and lower emission standard to meet at the IVA.

If that hasn't put you off, then start by reading this....
http://www.unofficialbmw.com/images/BMW_EWS.pdf
(and that's the simple version!)


...peter
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  #20  
Old 14th September 2010, 21:08
GlenSL GlenSL is offline
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Thanks for all the advice guys, I think I need to do some more research and probably go for a slightly older donor with the M50 engine, I am assuming that the M50 is not as complicated. I do like a challenge but this seems a bit too much of one!!.
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