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DamoC

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Registered: 6th Oct 07
Location: Sawtry, Cambridgeshire
User status: Offline

20th Feb 09 at 17:46

whats the eaisest way to lower the compression on a c20xe ?

Robin

Premium Member

Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
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20th Feb 09 at 17:49

2 headgaskets mate.

Or low compression pistons.

One answer isn't right.

DamoC

Member

Registered: 6th Oct 07
Location: Sawtry, Cambridgeshire
User status: Offline

20th Feb 09 at 17:56

2 head gasgets sounds nice n easy

how stupid idear is it to put 2 on though ?

Warren G

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Registered: 14th May 06
Location: Kent
User status: Offline

20th Feb 09 at 18:01

decompression plate with two head gaskets

Stu

Member

Registered: 3rd May 00
Location: Madchester UK Drives: 2014 BMW M135i
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20th Feb 09 at 18:03

Why you after lowering the comp btw?

DamoC

Member

Registered: 6th Oct 07
Location: Sawtry, Cambridgeshire
User status: Offline

20th Feb 09 at 18:06

where can i get a decopression plate from ?

DamoC

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Registered: 6th Oct 07
Location: Sawtry, Cambridgeshire
User status: Offline

20th Feb 09 at 18:08

and because im finkin about getin a super charger and bean a bit diffrernt

craig_s

Member

Registered: 5th Mar 06
Location: Birmingham Drives: mk4 astra gsi
User status: Offline

20th Feb 09 at 20:22

just fit c20let pistons.

Member

Registered: 20th May 02
Location: Kent
User status: Offline

20th Feb 09 at 20:25

NOTE: PLEASE PLEASE Type properly

Member

Registered: 20th May 02
Location: Kent
User status: Offline

20th Feb 09 at 20:25

also:

Do you know what you want to lower the comp ratio too ?

if you dont are you going to work it out ?

DamoC

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Registered: 6th Oct 07
Location: Sawtry, Cambridgeshire
User status: Offline

20th Feb 09 at 20:35

im just gathering idears realy at the moment mate

Member

Registered: 20th May 02
Location: Kent
User status: Offline

20th Feb 09 at 20:36

i would look into it, theres a reason theres not many about, its not as easy as you may think

DamoC

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Registered: 6th Oct 07
Location: Sawtry, Cambridgeshire
User status: Offline

20th Feb 09 at 20:39

im just gathering idears realy at the moment mate

Stu

Member

Registered: 3rd May 00
Location: Madchester UK Drives: 2014 BMW M135i
User status: Offline

20th Feb 09 at 20:54

quote:
Originally posted by DamoC
im just gathering idears realy at the moment mate

To be fair if your keeping the boost quite low with an S/C then you wouldn't need to lower the comp! The XE is a nice strong engine anyway!

DamoC

Member

Registered: 6th Oct 07
Location: Sawtry, Cambridgeshire
User status: Offline

20th Feb 09 at 22:39

if i do do it then i will lower the comp abit but i wont do any tests . the main problem i have got is getin it to fit and lined up

Member

Registered: 20th May 02
Location: Kent
User status: Offline

20th Feb 09 at 22:41

Eaton M45 for example only boosts to soemthing like 4psi iirc, you wont need to lower the comp to compensate IMO, know loads of people running them on standar engines

DamoC

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Registered: 6th Oct 07
Location: Sawtry, Cambridgeshire
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20th Feb 09 at 22:57

has any body on here supercharged an xe ?

Member

Registered: 20th May 02
Location: Kent
User status: Offline

20th Feb 09 at 23:07

no, for various reasons

SVM 286

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Registered: 13th Feb 05
Location: pain
User status: Offline

21st Feb 09 at 01:03

quote:
Originally posted by Robin
2 headgaskets mate.

Or low compression pistons.

One answer isn't right.

Leave a plug out.

Throw a rod.

Loosen the head.

Drill holes in the pistons.

SVM 286

Member

Registered: 13th Feb 05
Location: pain
User status: Offline

21st Feb 09 at 01:04

quote:
Originally posted by jr
NOTE: PLEASE PLEASE Type properly

SO, rich.

SVM 286

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Registered: 13th Feb 05
Location: pain
User status: Offline

21st Feb 09 at 01:05

quote:
Originally posted by jr
Eaton M45 for example only boosts to soemthing like 4psi iirc, you wont need to lower the comp to compensate IMO, know loads of people running them on standar engines

How about a 954cc French engine?

antnee

Member

Registered: 30th Dec 07
Location: Cov Drives: Clio 197
User status: Offline

21st Feb 09 at 01:06

quote:
Originally posted by SVM 286

quote:
Originally posted by Robin
2 headgaskets mate.

Or low compression pistons.

One answer isn't right.

Leave a plug out.

Throw a rod.

Loosen the head.

Drill holes in the pistons.

I was going to say something like that,

drill a hole in the block

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