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Author Subject: Building a 2.1
staley_306

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Location: Leicester

Registered: 12 Nov 2011

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Post #1
In the process of buying all the parts to build a 2.1 bottom end.

I have a 88mm crank from a Mi, I am right in thinking I need to buy S16 rods and pistons? and take 1mm of the deck?

Do the S16 pistons have the same crown style? So I don't lose the combustion chamber design with the 6 head.

Help would be appreciated Smile
Posted 4th Jul 2012 at 14:35
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superchargedblack1997gti6

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Location: guildford

Registered: 15 Aug 2009

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Post #2
http://www.306gti6.com/forum/showthread.php?id=149302

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Posted 4th Jul 2012 at 14:45
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staley_306

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Post #3
I seen this, but im going to buy new forged items.
Posted 4th Jul 2012 at 14:51
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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

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Post #4
87mm pistons, 88mm crank, custom rods (closer to gti6 spec than S16 - longer rods - less angle at level pistons = less force on the thrust sides)

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Posted 4th Jul 2012 at 15:00
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staley_306

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Post #5
Ok, who would make custom rods?

I was going to use the S16 parts as they are almost right and may work out to be a cheaper option than custom rods.
Posted 4th Jul 2012 at 15:32
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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,817

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Post #6
staley_306 wrote:
Ok, who would make custom rods?

I was going to use the S16 parts as they are almost right and may work out to be a cheaper option than custom rods.


your posts dont make sense

staley_306 wrote:
I seen this, but im going to buy new forged items.



Dunno

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need a part number? get on here - http://public.servicebox.peugeot.com

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Posted 4th Jul 2012 at 15:40
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staley_306

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Registered: 12 Nov 2011

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Post #7
What bit? custom rods will be more expensive than off the shelf rods.
Posted 4th Jul 2012 at 15:46
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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,817

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Post #8
you say you want to use S16 bits, but then say you want to buy forged parts, which is it gonna be?! LOL

you need to buy gti6 rods+pistons but with 1mm lower compression height.

________________________________________

need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 4th Jul 2012 at 15:52
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staley_306

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Location: Leicester

Registered: 12 Nov 2011

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Post #9
Sorry, when I say S16 parts, I mean S16 fitment. The parts will be new weather there S16 or not.

Wossner do custom pistons, I might get a price.
Posted 4th Jul 2012 at 15:56
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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

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Post #10
S16 is old hat, short rods+heavy pistons.

best bet is to speak to an engine builder like Sandy Brown

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need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 4th Jul 2012 at 16:06
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staley_306

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Post #11
Ok cheers
Posted 4th Jul 2012 at 16:16
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dav1

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Registered: 20 Jun 2011

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Post #12
welshpug! wrote:
S16 is old hat, short rods+heavy pistons.

best bet is to speak to an engine builder like Sandy Brown

Do you have shares in sandy brown or your todger LOL

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230bhp 205 gti6
Posted 7th Jul 2012 at 21:49
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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,817

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Post #13
why do you say that? Huh?

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need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 8th Jul 2012 at 14:13
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dav1

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Post #14
Just you mention sandy every other sentence.

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230bhp 205 gti6
Posted 8th Jul 2012 at 16:51
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daveyboy

aka Jim Davey

Location: Southampton

Registered: 01 Oct 2007

Posts: 8,648

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Post #15
dav1 wrote:
Just you mention sandy every other sentence.


I think it's usually in response to a query regarding a stroker lump as he's considered something of an expert in the field? That and being a reputable race engine builder qualifies him to be a useful contact for anyone embarking on such a build.

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Posted 8th Jul 2012 at 17:14
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dav1

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Post #16
Iam not disputing that am i?

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230bhp 205 gti6
Posted 8th Jul 2012 at 17:24
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bigbadbowen

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Location: Winchester

Registered: 21 Nov 2003

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Post #17
If you use a s16 bottom end the deck height is 1mm taller than a gti6 block thus allowing you to use forged gti6 rods and pistons Thumbs up
Posted 8th Jul 2012 at 17:54
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clen666

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Post #18
Aren't they the same block?

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Posted 8th Jul 2012 at 19:38
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miles

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Post #19
I think Matt at Catcams may have a set for this, He tried selling me them abit a while ago

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Posted 8th Jul 2012 at 22:18
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marksorrento205

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Post #20
miles wrote:
I think Matt at Catcams may have a set for this, He tried selling me them abit a while ago


Pedro's replacement ones after the original ones were machined wrong Thumbs down

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Posted 8th Jul 2012 at 22:44
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staley_306

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Location: Leicester

Registered: 12 Nov 2011

Posts: 238

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Post #21
bigbadbowen wrote:
If you use a s16 bottom end the deck height is 1mm taller than a gti6 block thus allowing you to use forged gti6 rods and pistons Thumbs up


Standard S16 block and crank with 6 rods and pistons? sounds ok.

miles wrote:
I think Matt at Catcams may have a set for this, He tried selling me them abit a while ago


Is he on here?
Posted 9th Jul 2012 at 08:10
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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,817

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Post #22
s16 block is the same deck height as a gti6, if you want to use them with 88mm crank you need 1mm lower compression height on the piston.

________________________________________

need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 9th Jul 2012 at 08:19
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