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Spridget

60 Posts
Member #: 629
Advanced Member

Colchester

27th Jul, 2005 at 02:11:06pm

Hi, and thank you for all your inspiration and knowledge, which has help me to get to this stage

I know this is a Mini Turbo site, and I?m running a Spridget, but we do share the same engine? well almost!

Just built and put the lump in over the weekend, and am very please with the performance (and this is with out the Turbo!), I?ve decided to bed the engine in on carbs, installing the turbo at a later date.

I built the engine for ?fast road? use (I can upload some images at a later date if you?re interested), Here?s the spec to date:

1275 thick walled block bored out to 1380
Omega 11cc dished pistons
Avonbar phase 2 head
MG Metro cam
1.5 roller tip rockers
Cam belt conversion
Wedged, bladed and balanced crank
Lightened and balanced rods
Turbo shells
APR head and big end stud/nuts
Centre mains strap

Later?
RS Turbo T3 (water cooled)
RS Turbo Intercooler

Cheers


AlexB
Site Admin

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6293 Posts
Member #: 1
The boring bloke who runs this place.

Berkshire

27th Jul, 2005 at 02:13:37pm

Welcome.
nice sounding spec, that is. Stick some pics up, i'd like to see it. :)

Tom Fenton
Site Admin

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15300 Posts
Member #: 337
Fearless Tom Fenton, Avon Park 2007 & 2008 class D winner

&

TM legend.

Rotherham South Yorkshire

27th Jul, 2005 at 02:45:27pm

What volume do you head chambers have? As unless they are pretty huge, with 11cc pistons and 1380cc displacement, I would hazard a guess that your compression ratio might be slightly high for turbo use?


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Spridget

60 Posts
Member #: 629
Advanced Member

Colchester

28th Jul, 2005 at 09:51:10am

Tom, I’m running a head has 28cc chambers with the ‘beak’ remover, as I’ve read the ‘beak’ can course a hot spot. To keep the compression up I used 11cc dished piston. Over all CR is 9:1, slightly lower than the metro turbo (9.5:1).

This set up is for ‘everyday’ road use, lots of bottom end and off boost power, with economy and emissions in mind (higher compression/lower boost), I’m hoping to run 8 psi with intercooler


Arno

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583 Posts
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Beugen, Netherlands

1st Aug, 2005 at 10:22:16pm

wanna get in contact with another turbo spridget nutter??



Spridget

60 Posts
Member #: 629
Advanced Member

Colchester

2nd Aug, 2005 at 09:23:24am

Cheers Arno, that would be cool

Arno

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583 Posts
Member #: 233
Post Whore

Beugen, Netherlands

2nd Aug, 2005 at 07:17:50pm

pm send, :cool:

Arno

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583 Posts
Member #: 233
Post Whore

Beugen, Netherlands

2nd Aug, 2005 at 07:18:50pm

btw the other turbo midget nutter on this site is called Boredpilot

Edited by Arno on 2nd Aug, 2005.



Spridget

60 Posts
Member #: 629
Advanced Member

Colchester

3rd Aug, 2005 at 03:22:41pm

I've pm you, I'll have to check you guys posts

Miniwilliams

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5329 Posts
Member #: 140
Proven 200+bhp & Avon Park 05,06,07 Class D 3rd place

18th Oct, 2005 at 06:37:19pm

Hi and welcome

Best 1/4 mile 13.2 seconds @116 mph
First 5 port miniturbo to make over 200 bhp on a carb?
First 5 port miniturbo to make over 200 bhp on Injection?

http://www.mattwoodsphotography.com
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