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Corsa Sport » Message Board » Help Zone, Modification and ICE Advice » is a bare let head same as a xe head


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Author is a bare let head same as a xe head
teeach
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Registered: 3rd Feb 05
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20th Aug 05 at 19:12   View User's Profile U2U Member Reply With Quote
is a bare let head same as a xe head also will let cams go in a head with xe valves going on a xe
Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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21st Aug 05 at 07:11   View User's Profile U2U Member Reply With Quote
the actual head is exactly the same. the turbo's allegedly had sodium filled exhaust valves.

basically, the only difference is the cams, you will have to run the xe cams as the duration is different on the let's. ive got an xe head running on my turbo engine just with proper re-profiled cams for an let
Cybermonkey
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Registered: 22nd Sep 02
Location: Sydney, Australia
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21st Aug 05 at 09:08   View User's Profile U2U Member Reply With Quote
also compression ratio is much lower in Turbo, so thicker gasket
James R
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Registered: 4th Feb 03
Location: 205GTi16/306GTi16
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21st Aug 05 at 09:52   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Cybermonkey
also compression ratio is much lower in Turbo, so thicker gasket



The pistons are different to drop the CR not the head.


I was under th eimpression all XE's have sodium filled exhaust valves, not just the LET.
miles
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Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
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21st Aug 05 at 09:55   View User's Profile U2U Member Reply With Quote
I was under the same impression.

All the same except for the cams, and the xe inlet cam can be used on the LET.
Cybermonkey
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Registered: 22nd Sep 02
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21st Aug 05 at 10:02   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by j1400
quote:
Originally posted by Cybermonkey
also compression ratio is much lower in Turbo, so thicker gasket



The pistons are different to drop the CR not the head.


I was under th eimpression all XE's have sodium filled exhaust valves, not just the LET.


hehe i stand corrected
Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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21st Aug 05 at 10:16   View User's Profile U2U Member Reply With Quote
i was told only the early xe's had sodium filled exhaust valves and all let's did.

there are far tooooooo many rumours surrounding different bits on xe's etc.

as above, piston heads drop the compression

 
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