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Home > Beginners Tech > Metro Turbo Engine Myths

Carl S
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1919 Posts
Member #: 1761
Stalker

Stourport-on-Severn

Whoa, that's a fantastic collection of information there Tom! It's certainly a lot of the questions I had, and wanted to ask about the A series engine.

Thanks :)


Lone Wolf

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146 Posts
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Advanced Member

Yours from the Funny Farm

it wasnt a loada old bollocks after all Tom
apparently the metty turbo diff is the one without the thrust blocks
this could lead to busted diff pins and planet gears


Edited by Lone Wolf on 17th Jun, 2007.

Warning:Stig in Training


The Turbocharger:God's Finest Minute


Tom Fenton
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15251 Posts
Member #: 337
Fearless Tom Fenton, Avon Park 2007 & 2008 class D winner

&

TM legend.

Rotherham South Yorkshire

Can we stop spamming this post please folks, its supposed to be as a reference, lets try not to clog it up with shite, cheers...............


On 29th Nov, 2016 madmk1 said:


On 28th Nov, 2016 Rob Gavin said:
I refuse to pay for anything else


Like fuel 😂😂


Hedgemonkey

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591 Posts
Member #: 360
Stu from Corwall aka Mr Jazz Piano, Love_Machine, kneegrow

It makes sense that the MG cam would be ideal in the turbo. The boost would calm it lower down (check! ) and the extra exhaust duration would allow it to empty "better" timed in earlier would allow the inlet to shut in the right place and give a good gas pulse for the exhaust whilst still allowing it enough time to get out at high revs. Be interesting to know what a bog standard metty turbo would put out with an MG cam and no other mods. My bet is quite a bit more.

Bugger off, I'm getting there.


Simon Peach

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4 Posts
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Junior Member

Ireland

If the standard turbo engine didn't have piston cooling jets, where did they originate from?

Simon

At the end of each race, people ask me what my oil pressure was like. It's only then that I think to check.

http://www.thecustardbullet.com/



Tom Fenton
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15251 Posts
Member #: 337
Fearless Tom Fenton, Avon Park 2007 & 2008 class D winner

&

TM legend.

Rotherham South Yorkshire

People making and installing jets themselves. No A or A+ block ever came from the factory with oil cooling piston jets.


On 29th Nov, 2016 madmk1 said:


On 28th Nov, 2016 Rob Gavin said:
I refuse to pay for anything else


Like fuel 😂😂


Turbo Phil

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4426 Posts
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My sister is so fit I won't show anyone her picture

Lake District

The group "A" factory motors were fitted with them.

WWW.TURBO-MINI.COM


Prawn

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667 Posts
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basingstoke

Sorry to bump an old thread, but what about the extra oil galleries in the main bearings on the block?

Was that a turbo only feature? or just something that some engines had and some didnt?

All the standard 1275 blocks I've stripped down had just 1 oil gallery hole in each main bearing race. the 1 engine I stripped which I KNOW was a genuine turbo motor had 2 oil gallery holes in each main....

Mr. Prawn, the friendly Crustacean- slowly making steps towards forced induction.


Arge

63 Posts
Member #: 290
Advanced Member

Basingstoke, Hampshire

Anything more to add to this thread as i feel it is unfinished ?

Will my project ever be finished !!? hopefully you guys can help !
Its only been like 10 years in the making and I'm only just assembling my engine!


Mr Joshua

2300 Posts
Member #: 1954
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Luton Bedfordshire


resurrect the dead. I thought all the 1275 blocks were one in the same Seeing as I have a few supposed "Turbo" blocks striped I am going to check the fact below.

Interesting factoid if true.

On 10th May, 2009 Prawn said:
Sorry to bump an old thread, but what about the extra oil galleries in the main bearings on the block?

Was that a turbo only feature? or just something that some engines had and some didnt?

All the standard 1275 blocks I've stripped down had just 1 oil gallery hole in each main bearing race. the 1 engine I stripped which I KNOW was a genuine turbo motor had 2 oil gallery holes in each main....

Own the day


Paul Ireson

7 Posts
Member #: 10552
Junior Member

Sevierville, Tennessee USA

What piston CR would you recommend for 1275, using GT1750 turbo and what make of piston ?


Brett

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9464 Posts
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Doncaster, South Yorkshire

i recomend posting in the corrects section *hehe!* *hehe!*

but to answer your question a CR between 8:1 and 9:1

My B18 Vtec Turbo Awd Mini
The whole AWD Honda engine / drivetrain and subframes for sale EBAY LINK
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On 14th Feb, 2014 robert said:
I think he thought his car was 465kg ,and you then guessed it at 565kg , and stuff me !! you were right

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