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Author XE and LET bottom end...
GeeYessAyee
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Registered: 4th Jul 07
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11th Jul 07 at 08:49   View User's Profile U2U Member Reply With Quote
are they both the same? if not what are the differences?


cant really afford to buy a LET so was thinking of buying say a bottom end then building one up peice by peice when i can afford to do so...

good idea?
Fro
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Registered: 20th Jun 06
Location: Rainham, Essex Drives: A3 2.0TDi Sport
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11th Jul 07 at 09:01   View User's Profile U2U Member Reply With Quote
I'm pretty sure you can start with a c20xe and make the oil returns etc so it effectively becomes a LET block.
STEvieXE
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Registered: 21st Jan 03
Location: Ballymena N.I.
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11th Jul 07 at 09:18   View User's Profile U2U Member Reply With Quote
handeir and prob cheaper id quess just to buy a let
GeeYessAyee
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11th Jul 07 at 09:22   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by STEvieXE
handeir and prob cheaper id quess just to buy a let


yeah i was thinking this but if i was to build it bit by bit then i would know it was good etc... instead of spending over a grand on an engine which could be fucko'd?
GeeYessAyee
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Registered: 4th Jul 07
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11th Jul 07 at 11:20   View User's Profile U2U Member Reply With Quote
anyone else?
Dean_W
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Registered: 13th Dec 05
Location: Downham Market, Norfolk
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11th Jul 07 at 11:30   View User's Profile U2U Member Reply With Quote
Why not just buy a fucked LET and rebuild it?
d128mat
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Registered: 8th Jan 06
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11th Jul 07 at 11:31   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Dean_W
Why not just buy a fucked LET and rebuild it?
GeeYessAyee
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Registered: 4th Jul 07
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11th Jul 07 at 11:35   View User's Profile U2U Member Reply With Quote
cant find one!
GeeYessAyee
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Registered: 4th Jul 07
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11th Jul 07 at 12:19   View User's Profile U2U Member Reply With Quote
anyone else?
Vaux Lad
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Registered: 15th Dec 04
Location: Stoke-on-Trent
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11th Jul 07 at 17:53   View User's Profile U2U Member Reply With Quote
Pistons different.
Ben ev
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Registered: 23rd Oct 05
Location: kingslynn / torquay
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11th Jul 07 at 19:39   View User's Profile U2U Member Reply With Quote
exactly the same in every way apart from the oil return which needs taping into the front of the block. theres a blank there to drill and tap which you can locate by looking at a let one. also you need to remove the allan key bung from the rear oil gallery near the pump for the turbo oil feed. obviously pistons are different but rods and crank are the same. also its rumored that the very early xe blocks are of a slightly better casting to the later ones making them ideal for high boost applications similar to that of early rb26skyline engines from the very early r32's
Ben ev
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Registered: 23rd Oct 05
Location: kingslynn / torquay
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11th Jul 07 at 19:41   View User's Profile U2U Member Reply With Quote
the turbo feed bung is a 7mm allan key aswell which can sometimes be awkward to find especially if you dont have time to arse about!
Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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11th Jul 07 at 19:49   View User's Profile U2U Member Reply With Quote
the let block is different actually, it had ectra webbing such like the x20xev block to make it quiter.

my engine was a 1989 xe originally. cost about 10 quid at a machine shop to have the return drilled in to make it turbo flavour.
Ben ev
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Registered: 23rd Oct 05
Location: kingslynn / torquay
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11th Jul 07 at 19:51   View User's Profile U2U Member Reply With Quote
well we lives and learns dont we
Nic Barnes
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11th Jul 07 at 19:53   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Ben ev
well we lives and learns dont we


someone once said i can be useful when i actually post stuff in a more serious manner
Ben ev
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Registered: 23rd Oct 05
Location: kingslynn / torquay
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11th Jul 07 at 19:56   View User's Profile U2U Member Reply With Quote
yeah so i heard
GeeYessAyee
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Registered: 4th Jul 07
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12th Jul 07 at 08:14   View User's Profile U2U Member Reply With Quote
thanks lads!
starkie
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Registered: 1st Jul 03
Location: Leslie, Fife
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12th Jul 07 at 12:05   View User's Profile U2U Member Reply With Quote
i actually have a let bottom end i am going to post up for sale in few days. engine was split due to wiring loom being damaged and muppet really needing a good cylinder head
GeeYessAyee
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Registered: 4th Jul 07
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12th Jul 07 at 12:16   View User's Profile U2U Member Reply With Quote
u2u'd
Ben ev
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Registered: 23rd Oct 05
Location: kingslynn / torquay
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12th Jul 07 at 20:49   View User's Profile U2U Member Reply With Quote
actually turbocharging an xe in a mk3 gsi next week sometime so might be able to post up some pics
Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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13th Jul 07 at 17:20   View User's Profile U2U Member Reply With Quote
keeping it the higher compression i hope?
Ben ev
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Registered: 23rd Oct 05
Location: kingslynn / torquay
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15th Jul 07 at 17:00   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by muppetsport
keeping it the higher compression i hope?


hell no! why would i wont to do that
Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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15th Jul 07 at 17:01   View User's Profile U2U Member Reply With Quote
free power, less boost
Ben ev
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Registered: 23rd Oct 05
Location: kingslynn / torquay
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20th Jul 07 at 15:25   View User's Profile U2U Member Reply With Quote
but you can make more power from a lower compression engine and more boost pressure than a higher compression engine with less as it will reach its upper limit before det

 
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