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 supercharged valver

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syncromess

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Male Number of posts : 174
Location : wisbech
Drives : mk2 golf 16v GTI
Registration date : 2009-04-09

PostSubject: supercharged valver   Thu Jul 12 2012, 18:03

hey all, in need of some advice, iv got a 9a 16v engine that i pulled apart years ago and iv lost one of the conrod caps, iv got a complete set for a kr though but the part numbers on the caps dont match up, the 9a is 053f and the and the kr is 053 and the liklyhood of finding just a single 9a rod is slim, the reason i want to stick with the 9a is that i already have all new shells bearings and rings. Now am i right in thinking the kr and 9a rods are the same length its just the pistons that are different?
My next question is i have crankshaft out of 1.9 straight diesel vento which im told when used with 9a will take it up to 2.1, if i use this how will it affect the compression ratio? as im supercharging it i was going to cheat and use 2 abf head gaskits to lower the cr but will the longer throw of the diesil crank affect this?

Basically i want to know will a 9a block, pistons, kr rods, diesil crank (all lightened and ballenced) and stacked gaskets work with a polished kr head, cams and a eaton m45 charger Very Happy if not, what do i need lol
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CaddyRage
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Male Number of posts : 6348
Age : 37
Location : Ellington, near Huntingdon, cambs
Drives : T4 2.5tdi daily, 83 mk1 golf gti 16v, 92 mk1 Caddy project
Registration date : 2007-12-29

PostSubject: Re: supercharged valver   Thu Jul 12 2012, 18:38

Wouldn't you be better off using an abf block with your 9a pistons and diesel crank mate.

Pretty sure the diesel crank needs a part machining to work aswell.


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abfmk1



Male Number of posts : 89
Location : duxford
Registration date : 2010-11-08

PostSubject: Re: supercharged valver   Thu Jul 12 2012, 20:58

Do you really need the extra cc when its going to be charged, surely only need the extra cc when staying na, seems you are just making more problems for your self, (but its your project) with the extra stroke when you are trying to reduce compression.
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syncromess

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Male Number of posts : 174
Location : wisbech
Drives : mk2 golf 16v GTI
Registration date : 2009-04-09

PostSubject: Re: supercharged valver   Thu Jul 12 2012, 21:13

I already have the 9a and the crank and was wondering if it'd work but if not I'll use the 9a crank I'm not overly fussed about that my main concern at the moment is the conrods can I use the kr rods in the 9a?
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ra man

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Male Number of posts : 119
Age : 37
Location : Cambridge
Drives : mk2 20v, defender 90, ccm r30, yzf r6
Registration date : 2008-05-25

PostSubject: Re: supercharged valver   Thu Jul 12 2012, 22:15

9a and kr rods are the same just use the whole set as kr are lighter.
you can even use agu rods
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syncromess

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Male Number of posts : 174
Location : wisbech
Drives : mk2 golf 16v GTI
Registration date : 2009-04-09

PostSubject: Re: supercharged valver   Thu Jul 12 2012, 23:54

Sweet thank you, are the agu rods forged?
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Lupton_20vt

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Age : 28
Registration date : 2009-02-01

PostSubject: Re: supercharged valver   Fri Jul 13 2012, 18:52

syncromess wrote:
Sweet thank you, are the agu rods forged?

yes.
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syncromess

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Male Number of posts : 174
Location : wisbech
Drives : mk2 golf 16v GTI
Registration date : 2009-04-09

PostSubject: Re: supercharged valver   Fri Jul 13 2012, 19:53

Does anyone have any they would like to sell?
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ra man

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Male Number of posts : 119
Age : 37
Location : Cambridge
Drives : mk2 20v, defender 90, ccm r30, yzf r6
Registration date : 2008-05-25

PostSubject: Re: supercharged valver   Fri Jul 13 2012, 20:24

not just agu but AEB, APX, AMK, AJQ, ARZ
any 20v with 20mm wrist pins will fit.
AEB is also a 6a block
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