simonXE
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Registered: 29th Oct 12
Location: Norwich Norfolk
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Morning everyone. At some point in the future I want to turbo my corsa. And the question that keeps popping up is... Is it easier to just put a c20let in or can you turbo a xe easily enough? Now I'm guessing a let has updated internals? Because apart from that the only difference I can see is that the c20let is turbo and the c20xe isn't....
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Aidan-Fleming
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Registered: 17th May 08
Location: Westhill, Aberdeenshire
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Easier to put a let in! If I'm right I'm sure the let has bigger pistons and internals, which you'd have to change the bottom end etc. more money. Just buy a let
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simonXE
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Registered: 29th Oct 12
Location: Norwich Norfolk
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Yeah I had a feeling it would just be easier to do that.. Maybe next year if I get bored then lol.
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Mieran
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Registered: 28th Jan 08
Location: Newcastle upon Tyne
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Depends if youre going to big power or not, if you are going for big power then there is no point buying a LET cos you're going to have to change the rods/pistons/turbo/management etc so might as well convert your XE
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simonXE
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Registered: 29th Oct 12
Location: Norwich Norfolk
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That's a good point actually lol. I would like to turbo the corsa but I would prob only get it remapped with a turbo engine. Just wondering now weather I should just get the xe cammed and remapped instead..
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DaveyLC
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Registered: 8th Oct 08
Location: Berkshire
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There are a few more differences than just bolting a turbo to a C20XE.
* Lower compression ratio.
* Oil feed and return for turbo.
* Extra oil jets in the engine (for cooling).
Then you've got management, intercooler, extra sensors and pipe work etc. etc.
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simonXE
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Registered: 29th Oct 12
Location: Norwich Norfolk
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So would make more sense to just put a let in because then it's all there isn't it. And would just have to sort intercooler.
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Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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Mine is built from a 20xe. Let doesn't have extra oil jets in the engine davelc. Oil feed is an Allen key on the back of the block you need to remove and the return just wants drilled and tapped into the block.
Personally with the age of engines floating around I'd rebuild an xe into a turbo then put it on after market management and have it mapped properly. Be a lot better than copy phase chips on a high mileage engine in my opinion.
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DaveyLC
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Registered: 8th Oct 08
Location: Berkshire
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Crack on.... Show us a picture of your pistons when they resemble mushrooms please 
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Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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what are you talking about exactly? i dont think you actually know?
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BenC1985
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Registered: 5th May 12
Location: Northants
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Listen to Nic he knows what hes talking about. Plenty of xe converted to turbos been done in the past. Not really hard.
[Edited on 29-12-2012 by BenC1985]
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DaveyLC
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Registered: 8th Oct 08
Location: Berkshire
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quote:
Originally posted by Nic Barnes
what are you talking about exactly? i dont think you actually know?
He asked what differences there are between an XE and a LET.. And I answered the question..
You are the one that strolled in waving your testies around.
I also dont think running an XE on standard C/R is going to last very long, plus all this talk of re-mapping, not many people out there anymore who can virginise an old shitty Bosch ECU and map it.
Anyway, why are we arguing? We all know its never going to get done 
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Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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ive no idea what you are talking about, as im actually convinced you havent a clue davey pmsl.
no testicle waving at all though. i just explained that me personally id rebuilt an xe into an let if you already have the xe that is. then use proper engine management which means you dont have to fanny on looking for afm and random sensors as you wont need them.
hope that clears it up?
ps, the std xe pistons would do over 250bhp on std n/a compressions turbo'd if you can map it right for the fuel and ignition. probably do over 300 in all honesty.
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Dave
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Registered: 26th Feb 01
Location: Lancs
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Would it not just be safer/easier to use LET pistons though, especially if you are rebuilding anyway?
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DaveyLC
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Registered: 8th Oct 08
Location: Berkshire
User status: Offline
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quote:
Originally posted by Nic Barnes
ive no idea what you are talking about, as im actually convinced you havent a clue davey pmsl.
no testicle waving at all though. i just explained that me personally id rebuilt an xe into an let if you already have the xe that is. then use proper engine management which means you dont have to fanny on looking for afm and random sensors as you wont need them.
hope that clears it up?
ps, the std xe pistons would do over 250bhp on std n/a compressions turbo'd if you can map it right for the fuel and ignition. probably do over 300 in all honesty.
He was asking if he can just bolt on a turbo and have it re-mapped..
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Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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essentially yeah, you could just put a turbo on it then map it.
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jonnieboy
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Registered: 4th Jun 02
Location: Manchester
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quote:
Originally posted by simonXE
Is it easier to just put a c20let in or can you turbo a xe easily enough?
Yes, its easier to put a LET in, than to bolt an turbo on the XE and get it mapped
But it MAY be cheaper to turbo the XE and run low boost.
Unless you want big power, I'd just keep the XE to be honest
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monkeytwizzel
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Registered: 10th Aug 11
Location: Chard, Somerset
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A friend of mine (chip) was running a converted c20xe to c20xe turbo and in the end kept on cracking blocks in the end that`s even with a girdle i believe.
I have seen different blocks as in some look thicker than others ,depends on age on a c20xe but with a c20let maybe they are all the stronger blocks to cope with boost!
Rather than the c20xe turbo or c20let you have saab or the newer z20let/seh which seem as good.
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Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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z20let and astra vxr blocks are weaker than the c20xe/let ones!!!
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monkeytwizzel
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Registered: 10th Aug 11
Location: Chard, Somerset
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I meant as an alternitive to using a c20xe/let not that they are stronger! z20 range is just a newer option yo use.
Z20let engine would it not have a girdle as standard tho and i`ve seen some people are running good bhp figures,reference to the c20xe engine would have to be careful which block style it was before fitting a turbo!
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bigron1988
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Registered: 29th Aug 09
Location: Southport, Merseyside
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dot matter to much about the girdle till you hit mega power, im running mine fine so far with out it at over 600bhp, its the bores that crack and even then they will only crack at 450 plus running big boost , easier to get a let and sell your xe tho
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BeArDy
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Registered: 7th Aug 00
Location: Manchester
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http://www.migweb.co.uk/forums/car-talk/426938-had-my-combo-xe-turbo-rollers-today.html
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simonXE
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Registered: 29th Oct 12
Location: Norwich Norfolk
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Ok thanks for all the info. I was just asking in general really. Because I love my xe for now but I just wanted to get an idea of the options for when I want to turbo it. But I won't be chasing big power because I know that comes at a price. Btw "Bigron" your car is an animal! I love it lol! Was reading your mag feature for days!
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bigron1988
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Registered: 29th Aug 09
Location: Southport, Merseyside
User status: Offline
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cheers mate
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