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Author how easy 2turn 2L into 2L turbo?
ado
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Registered: 19th Oct 03
Location: Chesterfield,midlands
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19th Sep 04 at 21:04   View User's Profile U2U Member Reply With Quote

I dudes ive just bough a cav turbo with a bad knocking on number4 cylinder and a missfire on same cylinder,also when dipstick is removed pressure in crankcase,im assuming piston or rings problems.

Im currently running a 2L red top in my corsa and was wondering instead of overhauling the turbo lump,to take off all revelent bits an turn my 2L red top in corsa into turbo.

Ive heard its quite easy, as any one done this or heard owt what needs to be changed over.

Cheers guys!!
J da Silva
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Registered: 10th Apr 03
Location: The FACTory
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19th Sep 04 at 21:12   View User's Profile U2U Member Reply With Quote

Who the fuck you heard that from then?
ado
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Registered: 19th Oct 03
Location: Chesterfield,midlands
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19th Sep 04 at 21:20   View User's Profile U2U Member Reply With Quote

Just heard it from people.
So u saying its bollocks then?
I dont no thats y im askin?
ed
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Registered: 10th Sep 03
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19th Sep 04 at 21:23   View User's Profile U2U Member Reply With Quote

You can do it. But you will need to swap just about ever part over other than the head, block, crank and valves. It ain't easy and apparently you get a lower power engine at the end of the day. Your better off spending the couple of hundred to get the LET up to scratch again.
J da Silva
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Registered: 10th Apr 03
Location: The FACTory
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19th Sep 04 at 21:28   View User's Profile U2U Member Reply With Quote

No it is possible, but whoever told you seems to think it's a piece of piss, i'ts just naive teen know it all chat by the sounds
ado
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Registered: 19th Oct 03
Location: Chesterfield,midlands
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19th Sep 04 at 21:31   View User's Profile U2U Member Reply With Quote

Cheers mate, that was what i was thinkin.

You no owt bout the gearbox is the 6 speed better and would u use it or use the 5 speed im already runnin with my 2L red top?
Can u get as much speed out of the 5 speed as the 6 speed are the ratios same?
ado
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Registered: 19th Oct 03
Location: Chesterfield,midlands
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19th Sep 04 at 21:34   View User's Profile U2U Member Reply With Quote

Any prob i need to be awere of when doin the transplant?
Can i use the drive shafts from my 2L conversion or should i get new ones?
miles
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Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
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20th Sep 04 at 10:04   View User's Profile U2U Member Reply With Quote

Its not hard to change an XE to a LET if you have a doner engine.

You just need to change the pistons, cams (or just exhaust cam) and the manifolds, and obviously the loom and ecu.

You'll also need to sort out an oil return for the turbo, which normally goes into the engine block just above the sump, but for ease you could get the sump tapped instead.

Do a compression test.

Its probably better to rebuild the LET and then transplant the engine, as its probably the same work to sort out the rings on the LET as it is to change the pistons on the XE....
ado
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Registered: 19th Oct 03
Location: Chesterfield,midlands
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20th Sep 04 at 18:05   View User's Profile U2U Member Reply With Quote

cheers mate,

Do u no owt bout the gearboxs?
Which is best 2use the 5 or the 6 speed?
Is there any dif between them, like topspeed, gear ratios?

Cheers dudes
miles
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Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
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20th Sep 04 at 20:03   View User's Profile U2U Member Reply With Quote

The 6 speed is much better. The 5 speed might not last very long, the 6 speed will let you cruise at lower revs, which is good and keeps you off boost at higher speeds which is obviously good for fuel economy.

Top speed is probably from the 6 speed, altough its probably more about bravery (stupidity) power and the road.
ed
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Registered: 10th Sep 03
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20th Sep 04 at 20:06   View User's Profile U2U Member Reply With Quote

A 6 speed will top out somehwere near the 160mph mark and the 5 speed will top out at around 145-150mph...
ed
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Registered: 10th Sep 03
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20th Sep 04 at 20:06   View User's Profile U2U Member Reply With Quote

The point in the 6 speed is really to have closer ratio gears to get good aceleration but still keep the top speed though.
miles
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Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
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20th Sep 04 at 20:13   View User's Profile U2U Member Reply With Quote

If you have the power to get to the limiter in 6th its a fair bit more than 160mph.

Never been anywhere near either of those figures in my Calibra though, but I think it will do an easy 160mph. 130 is a breeze.
ado
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Registered: 19th Oct 03
Location: Chesterfield,midlands
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20th Sep 04 at 20:16   View User's Profile U2U Member Reply With Quote

Im likin the sound of that,its goin in my corsa,maybe few mods first!!
miles
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Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
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20th Sep 04 at 20:25   View User's Profile U2U Member Reply With Quote

152mph is factory top speed for the Calibra, I think the Cav turbo is less due to the poorer aerodynamics.

Phase 3 does help mine though
ed
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Registered: 10th Sep 03
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20th Sep 04 at 20:29   View User's Profile U2U Member Reply With Quote

Yea, that is the factory top speed, but I have heard from a few people that they do go a bit more than that... Phase 4 would be even more helpful
miles
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Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
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20th Sep 04 at 21:13   View User's Profile U2U Member Reply With Quote

Who knows, its not very often you go there anyway. Speedo's are inaccurate as well of course.

 
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