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Author: Subject: 2.3L supercharged Locost
J666AYP

posted on 11/11/17 at 12:32 AM Reply With Quote
2.3L supercharged Locost

Hi all,

I thought it was about time that I started a thread on my little project...

6 months ago I brought a unfinished locost chassis off ebay for 150, had a result as the chap threw in some 2nd hand Gaz shocks and assorted other bits.

I then spent a month or so stripping the rust and painting the frame up while plotting what engine/donor I should use. I was going to use a 1.8 mx5 as that is what the chassis was built for, but I get bored and buy things without thinking. This led to a late night bid of 275 on a Mercedes CLK230 with a unknown gearbox fault (turns out the DMF was shot).

8 hours later I had a 2.3L 4cyl supercharged merc with a manual gearbox and 70k on the clock sitting on the drive! **why did I do that lol**

The last 4 months have been spent making everything fit, or trying to. So far the engine, gearbox, prop, diff and rear shafts are in. I have relocated the supercharger to the passanger side and started to fab my manifolds.

I also brought some bodywork off a unknown 7 style car and am in the process of modding that to fit.

Pics to follow shortly when photoshop starts working for me.

Jay.

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J666AYP

posted on 11/11/17 at 01:05 AM Reply With Quote




























They are in no real order as I cant get my head round the photo bucket app.

[Edited on 11/11/17 by J666AYP]

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ReMan

posted on 11/11/17 at 08:50 AM Reply With Quote
GOOD WORK, GREAT TO SEE SOMETHING DIFFERENT BEING USED TOO





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∙،. ˘≈ﺣ

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Nickp

posted on 11/11/17 at 09:12 AM Reply With Quote
Excellent work, like it a lot
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scudderfish

posted on 11/11/17 at 09:30 AM Reply With Quote
Can I have a go when it's done please?
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J666AYP

posted on 11/11/17 at 11:53 AM Reply With Quote
Thanks gents!

And Scudderfish, no problem.

Jay

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CosKev3

posted on 11/11/17 at 01:01 PM Reply With Quote
Will make some nice noise once it's running for sure

What's the score with the green miniature roll cage?

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J666AYP

posted on 11/11/17 at 01:15 PM Reply With Quote
CosKev3,

The original owner brought a section of cage that was chopped off another car (god knows what he thought he was going to do with it).

Anyways I cut the rear hoop off and used it for my rollbar and scrapped the rest.

Jay

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CosKev3

posted on 11/11/17 at 01:42 PM Reply With Quote
Ah I see!

What is the gearing like on those Merc boxes/diffs?

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J666AYP

posted on 11/11/17 at 01:48 PM Reply With Quote
CosKev3,

1th gear ratio:

3,86:1

2th gear ratio:

2,18:1

3th gear ratio:

1,38:1

4th gear ratio:

1,00:1

5th gear ratio:

0,80:1

Final drive:

3,46:1

RPM at 120 km/h (theoretical):

2.800 rpm

Not that any of the above means anything to me

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mark chandler

posted on 11/11/17 at 04:47 PM Reply With Quote
Looks great, I think I would have struggled to chop up the Mercedes, not like a scruffy old donor.
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J666AYP

posted on 11/11/17 at 04:51 PM Reply With Quote
Mark,

Most of the bits on the merc could be pulled off due to a chronic case of tin worm. She 100% had some dodgey MOT's in the past.

Jay

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big_wasa

posted on 11/11/17 at 05:31 PM Reply With Quote
Keep posting pics
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craigdiver

posted on 12/11/17 at 08:42 AM Reply With Quote
Looking great, 10/10 for going for the challenging install of a different engine, overcoming the engineering challenges has been the most rewarding for me. Im going to start a post on who has destroyed the best car to borrow its powerplant.... think you are winning so far ;-)





If it ain't broken, fix it anyway (just because).

Building - BMW powered Haynes Roadster/442E hybrid.

Classic Fiat 126 aircooled
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J666AYP

posted on 12/11/17 at 04:27 PM Reply With Quote
A grinder and paint makes me the welder I ain't!


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J666AYP

posted on 12/11/17 at 04:30 PM Reply With Quote
Craigdiver,

Thanks mate! In all honesty I was expecting alot of negative responce for using something abit different. I have had a look at your thread, shes going to be fun for sure!

Jay

[Edited on 12/11/17 by J666AYP]

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craigdiver

posted on 12/11/17 at 05:43 PM Reply With Quote
quote:
Originally posted by J666AYP
Craigdiver,

Thanks mate! In all honesty I was expecting alot of negative responce for using something abit different. I have had a look at your thread, shes going to be fun for sure!

Jay

[Edited on 12/11/17 by J666AYP]


Love the thought of the supercharged lump, good that you have the original loom and security bits and pieces, at least you shouldnt have a problem starting the engine. How many BHP does that engine have?





If it ain't broken, fix it anyway (just because).

Building - BMW powered Haynes Roadster/442E hybrid.

Classic Fiat 126 aircooled
Aprilia Mana 850
Chinese 125cc motocross bike

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J666AYP

posted on 12/11/17 at 05:59 PM Reply With Quote
I'm not using the standard loom/ECU as its a huge mess of immobilised rubbish. Going to get a loom made up and use a emerald/omex ECU. Just need to find out what system will support the VVT best.

And they are 197bhp standard, mine should be leaning more towards the 250-260bhp mark when its up and running. For some reason Mercedes like to restrict their engines out of the factory with rubbish boost hoses and manifolds. Its almost like they want to hold the cars back.

I'm thinking 250bhp should be enough to start with, I can then start to tune it further when I get used to driving the car.

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big_wasa

posted on 12/11/17 at 06:42 PM Reply With Quote
Any idea what they weigh ?

Loving the Merc donor.

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J666AYP

posted on 12/11/17 at 06:46 PM Reply With Quote
The engine or the merc?

The merc was about 1300kgs IIRC

The engine feels about the same as a blacktop zetec.

[Edited on 12/11/17 by J666AYP]

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big_wasa

posted on 12/11/17 at 07:31 PM Reply With Quote
Yeh the engine.
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J666AYP

posted on 12/11/17 at 07:35 PM Reply With Quote
I would say about 100kgs, feels very similar to a 2.0 mondeo blacktop lump.
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ettore bugatti

posted on 12/11/17 at 09:19 PM Reply With Quote
197hp was a German insurance limit, so a lot of 90s engines were restricted to that level (on paper at least). Like the Audi 2.8 v6, BMW 328i etc.

Aren't forged/ steel bottom end? Maybe with a nice turbo you can hit 350hp.

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J666AYP

posted on 13/11/17 at 12:48 AM Reply With Quote
Ettore,

Thanks for that info about the German restrictions, I had no idea they restricted power. I thought they just limited the top speed.

And turbo conversions are not too difficult on that engine, however I want to keep it as supercharged for now due to the power delivery from the SC. I much prefer the constant boost from a SC over the lag/spool of a turbo.

Jay

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Angel Acevedo

posted on 13/11/17 at 01:45 AM Reply With Quote
quote:
Originally posted by J666AYP




[Edited on 11/11/17 by J666AYP]


Cool engine,
Your exhaust looks like a Bullet Proof Exhaust.
Why did you chose such thick material?
Ease of welding?
Or just because you had it available.
Maybe downgrading to thinner material is a good weight loss exercise.
Not trying to be harsh.
Welcome to forum (a little late I know)
Best regards
AA





Beware of what you wish.. for it may come true....

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