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Author whats the best way 2 lower compression on a xe ?
DamoC
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Registered: 6th Oct 07
Location: Sawtry, Cambridgeshire
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20th Feb 09 at 17:46   View User's Profile U2U Member Reply With Quote

whats the eaisest way to lower the compression on a c20xe ?
Robin
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Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
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20th Feb 09 at 17:49   View Garage View User's Profile U2U Member Reply With Quote

2 headgaskets mate.

Or low compression pistons.

One answer isn't right.
DamoC
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20th Feb 09 at 17:56   View User's Profile U2U Member Reply With Quote

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
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20th Feb 09 at 18:01   View User's Profile U2U Member Reply With Quote

decompression plate with two head gaskets
Stu
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Registered: 3rd May 00
Location: Madchester UK Drives: 2014 BMW M135i
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20th Feb 09 at 18:03   View User's Profile U2U Member Reply With Quote

Why you after lowering the comp btw?
DamoC
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20th Feb 09 at 18:06   View User's Profile U2U Member Reply With Quote

where can i get a decopression plate from ?
DamoC
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20th Feb 09 at 18:08   View User's Profile U2U Member Reply With Quote

and because im finkin about getin a super charger and bean a bit diffrernt
craig_s
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Registered: 5th Mar 06
Location: Birmingham Drives: mk4 astra gsi
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20th Feb 09 at 20:22   View User's Profile U2U Member Reply With Quote

just fit c20let pistons.
jr
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20th Feb 09 at 20:25   View User's Profile U2U Member Reply With Quote

NOTE: PLEASE PLEASE Type properly
jr
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20th Feb 09 at 20:25   View User's Profile U2U Member Reply With Quote

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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20th Feb 09 at 20:35   View User's Profile U2U Member Reply With Quote

im just gathering idears realy at the moment mate
jr
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20th Feb 09 at 20:36   View User's Profile U2U Member Reply With Quote

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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20th Feb 09 at 20:39   View User's Profile U2U Member Reply With Quote

im just gathering idears realy at the moment mate
Stu
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20th Feb 09 at 20:54   View User's Profile U2U Member Reply With Quote

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
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20th Feb 09 at 22:39   View User's Profile U2U Member Reply With Quote

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
jr
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Registered: 20th May 02
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20th Feb 09 at 22:41   View User's Profile U2U Member Reply With Quote

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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20th Feb 09 at 22:57   View User's Profile U2U Member Reply With Quote

has any body on here supercharged an xe ?
jr
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20th Feb 09 at 23:07   View User's Profile U2U Member Reply With Quote

no, for various reasons
SVM 286
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21st Feb 09 at 01:03   View User's Profile U2U Member Reply With Quote

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
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21st Feb 09 at 01:04   View User's Profile U2U Member Reply With Quote

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


SO, rich.
SVM 286
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21st Feb 09 at 01:05   View User's Profile U2U Member Reply With Quote

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
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Registered: 30th Dec 07
Location: Cov Drives: Clio 197
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21st Feb 09 at 01:06   View User's Profile U2U Member Reply With Quote

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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