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Author can a c20let be bored to 2.1?
bieransri
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Registered: 13th Apr 06
Location: Kidsgrove, Staffordshire
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23rd Aug 06 at 16:40   View User's Profile U2U Member Reply With Quote
as per title really, obviously using oversized pistons?
Marc
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Registered: 11th Aug 02
Location: York
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23rd Aug 06 at 16:43   View User's Profile U2U Member Reply With Quote
I don't see why not, essentially its the same as the C20XE and that can.
Greg_M
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Registered: 2nd Sep 03
Location: Grantham, Lincolnshire
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23rd Aug 06 at 16:56   View User's Profile U2U Member Reply With Quote
yes it can
bieransri
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Registered: 13th Apr 06
Location: Kidsgrove, Staffordshire
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23rd Aug 06 at 16:59   View User's Profile U2U Member Reply With Quote
what size pistons are needed when they are bored to 2.1?
ainsley_brader
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Registered: 24th Mar 02
Location: Tattershall, Lincolnshire
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23rd Aug 06 at 21:44   View User's Profile U2U Member Reply With Quote
Would need 88mm pistons but a lot of people think that that is pushing wall thickness on a turbo!
richysport
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Registered: 15th Apr 05
Location: Flintshire, north wales
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23rd Aug 06 at 21:53   View User's Profile U2U Member Reply With Quote
this is a 2.1 corsa turbo
AK
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Registered: 5th Jul 00
Location: Aberdeen City
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24th Aug 06 at 08:54   View User's Profile U2U Member Reply With Quote
is it really, or just a a 2050cc or something

I had 88mm pistons on my TB build. If anything goes wrong the block is essentially scrap. Much safer to just go for 87, or 87.5mm bore. (std is 860
James R
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Registered: 4th Feb 03
Location: 205GTi16/306GTi16
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24th Aug 06 at 11:25   View User's Profile U2U Member Reply With Quote
You'll make more power form the boost and management, than running the highest capacity you can.

If you want the largest CC's then a 2.2 frontera block bored with 88mm pisotns will give near enough 2.3L
AK
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Registered: 5th Jul 00
Location: Aberdeen City
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24th Aug 06 at 12:03   View User's Profile U2U Member Reply With Quote
or.... QED do a lighweight 2.4 block
bieransri
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Registered: 13th Apr 06
Location: Kidsgrove, Staffordshire
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24th Aug 06 at 16:54   View User's Profile U2U Member Reply With Quote
richysport, that is the reason i asked, wasnt sure it was possible
tarmac terrorist
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Registered: 5th Aug 06
Location: middlesbrough
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25th Aug 06 at 09:58   View User's Profile U2U Member Reply With Quote
qed 2.4 block any 1 have more info on this or website addy, also is it a simple swap of the block to fit the fontera 1

sorry for hijacking the thread mate
AK
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Registered: 5th Jul 00
Location: Aberdeen City
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25th Aug 06 at 10:42   View User's Profile U2U Member Reply With Quote
im sure the 'frontera' block is a 20xe block with a longer stroke crank.

The QED block is a alloy block bored to 90mm (max on standard OE bloack is 88mm), pair that with a 92mm stroke crank gives you just under 2400cc

This is not cheap though...

crank alone is 1300 or so, block is about 3000 if they even still sell it

There site is http://www.qednet.demon.co.uk ... its a bit sparse though, and not sure when it was last updated though. Give them a call.
ainsley_brader
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Registered: 24th Mar 02
Location: Tattershall, Lincolnshire
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25th Aug 06 at 18:25   View User's Profile U2U Member Reply With Quote
the 22 block is about 5mm taller i believe!
tarmac terrorist
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Registered: 5th Aug 06
Location: middlesbrough
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27th Aug 06 at 11:04   View User's Profile U2U Member Reply With Quote
so if the fontera block is still 20xe block just a longer stroke this should be a stright bottom end swap over then am i rite ?
ainsley_brader
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Registered: 24th Mar 02
Location: Tattershall, Lincolnshire
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28th Aug 06 at 01:51   View User's Profile U2U Member Reply With Quote
did you not read what i just put at all?
WATSON
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Registered: 16th Jun 05
Location: Fife, Scotland
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28th Aug 06 at 02:34   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by richysport
this is a 2.1 corsa turbo


Spec who owns the car? for sale?

Also wasnt Iaz white astra a 2.1?
bieransri
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Registered: 13th Apr 06
Location: Kidsgrove, Staffordshire
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28th Aug 06 at 09:03   View User's Profile U2U Member Reply With Quote
not heard of the guy being on here, he's from stoke on trent. i'll speak to him try and get him join up if i see him out. maybe get him up to this meet we are sorting in stoke.
AK
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Registered: 5th Jul 00
Location: Aberdeen City
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28th Aug 06 at 16:16   View User's Profile U2U Member Reply With Quote
most of these 2.1 arent really 2.1's though.... max bore size on a 20xe and std stroke doesnt make 2100cc


 
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