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Home > Help Needed / General Tech Chat > Calculating boost

sam138

57 Posts
Member #: 10219
Advanced Member

I am currently fitting a m45 supercharger to my mini (suck through ) and need help calcutlating what my charger boost psi will be .

I have a 115mm vmax bottom pulley and a standard m45 charger .

On a standard rebuilt 1275 cooper engine ( carb ) .


tadge44

3006 Posts
Member #: 2500
Post Whore

Buckinghamshire

Suck it and see ??


Turbo Phil

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4633 Posts
Member #: 20
My sister is so fit I won't show anyone her picture

Lake District

http://www.podifold.com/boost.html

WWW.TURBO-MINI.COM


sam138

57 Posts
Member #: 10219
Advanced Member

Thank you


wil_h

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9258 Posts
Member #: 123
Post Whore

Betwix Harrogate and York

I made a spresdsheet to calculate it. Do you have the following info and I'll plug it in.

Valve inlet deg
Valve exhaust deg
pulley ratio

Fastest 998 mini in the world? 13.05 1/4 mile 106mph



On 2nd Jan, 2013 fastcarl said:

the design shows a distinct lack of imagination,
talk about starting off with a clean sheet of paper, then not bothering to fucking draw on it,lol

On 20th Apr, 2012 Paul S said:
I'm mainly concerned about swirl in the runners caused by the tangential entry.


Brett

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9502 Posts
Member #: 1023
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Doncaster, South Yorkshire

no no, you got it all wrong
blow it and see *happy*


On 22nd Nov, 2016 tadge44 said:
Suck it and see ??

Yes i moved to the darkside *happy*

Instagram @jdm_brett

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