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Author 400bhp c20let
MKC
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Registered: 8th Oct 04
Location: Bath
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29th Nov 05 at 14:30   View User's Profile U2U Member Reply With Quote

i know there are loads of CLET experts on here so would it b possible 2 get 400bhp out of a C20LET engine?

a guy has one he reckons is running at 400bhp in his nova and can do 180mph top end!

Cheers.
Teddy
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Registered: 19th Jul 04
Location: Northampton Drives: VW Bora 1.9TDi pd130
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29th Nov 05 at 14:32   View User's Profile U2U Member Reply With Quote

you can 800bhp out of a let - but no one is prepared to throw the cash at it - people would rather spend it on a YB.
MKC
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Location: Bath
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29th Nov 05 at 14:34   View User's Profile U2U Member Reply With Quote

surely the gear box and drive shafts would b able 2 take 400bhp tho?
deanmcreynolds26
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Registered: 15th Sep 03
Location: E46 //M3
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29th Nov 05 at 14:35   View User's Profile U2U Member Reply With Quote

yes it is possible, but you would be looking at having NOS or aftermarket ECU such as Autronic or DTA, but saying that you can now get the standard ecu re-mapped to whatever u want as long as uve got the parts to back it up you could get over 400bhp

Guy on migweb has a mk2 astra running 450-500bhp on 2 bar of boost

Jambo
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Registered: 8th Sep 01
Location: Maidenhead, Drives: VXR Arctic
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29th Nov 05 at 14:39   View User's Profile U2U Member Reply With Quote

F28 is geared silly high in 6th....

Not sure the impact of the torque levels on it tho
deanmcreynolds26
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Registered: 15th Sep 03
Location: E46 //M3
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29th Nov 05 at 14:42   View User's Profile U2U Member Reply With Quote

F20 - 200lb ft torque

F28 - 280lb ft torque

well thats what ive heard anyway.. cant remember where though!

mate put a nice big hole in his f28 box at the weekend, mind u he is running 320lb foot torque
MKC
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Registered: 8th Oct 04
Location: Bath
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29th Nov 05 at 14:42   View User's Profile U2U Member Reply With Quote

it is true that the calibra CLET could manage 170mph?
deanmcreynolds26
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Registered: 15th Sep 03
Location: E46 //M3
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29th Nov 05 at 14:44   View User's Profile U2U Member Reply With Quote

yes it could! think the top speed on the gearing is 184mph, but i stand to be corrected... would need to have a silly high rev limiter! but it is possible~!

their was a link to a site about this before not sure what it was though!
Teddy
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Registered: 19th Jul 04
Location: Northampton Drives: VW Bora 1.9TDi pd130
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29th Nov 05 at 14:47   View User's Profile U2U Member Reply With Quote

I managed a GPS reading of 164 on an upper rev limit in my old Calibra turbo.

anything is possible with money.

IF your building a 800bhp let then shafts and gearbox would be money no object.
timrud_
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Registered: 3rd Jul 04
Location: Sheffield
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29th Nov 05 at 17:16   View User's Profile U2U Member Reply With Quote

Easily possible to get 400bhp from a LET. Its just money, no mega mechanical advancement needed. About 6k should see you right.

The F28 in FWD if if good condition and you know how to treat it will happily take 400lbft. Those that break an F28 these days will find there box will never of been touched from new. That makes a VERY old box!

The shafts will probably break at that power if the car suddenly grips. Happened to mine once. Though the damage was done over a prolnged period of time, they twisted like this, then eventually went...





The Nova could easily do 180mph on a long enough road. Weather or not he did it is another thing.
chris_uk
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Registered: 8th Jul 03
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29th Nov 05 at 17:47   View Garage View User's Profile U2U Member Reply With Quote

i get 140 from my 170bhp

i think as long as the gear ratio's are correct there shouldnt be any problems.

bradfincham
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Registered: 20th Sep 02
Location: East Of England Drives: Clio 172
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29th Nov 05 at 17:58   View User's Profile U2U Member Reply With Quote

phase 4.5 wouldnt be far off 400 bhp if all internals were to match,
stand alone management im sure it could be acheived very easily
Dazzi-gsi
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Registered: 7th Oct 03
Location: Aberdeen Drives: C20LET Astra Gsi
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29th Nov 05 at 18:42   View User's Profile U2U Member Reply With Quote

There is a Cavalier Turbo on MIG with 392 bhp iirc
deanmcreynolds26
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Registered: 15th Sep 03
Location: E46 //M3
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29th Nov 05 at 19:14   View User's Profile U2U Member Reply With Quote

phase 4.5? never knew it existed
SetH
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Registered: 15th Jul 01
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29th Nov 05 at 19:16   View User's Profile U2U Member Reply With Quote

OMG at those pics? mutilated by torque, quality
Butler
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Registered: 2nd Jun 05
Location: London
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29th Nov 05 at 19:30   View User's Profile U2U Member Reply With Quote

Im up for it, planning on spending all my student money on a let
Cole
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Registered: 11th Nov 02
Location: eastbourne Drives:zafira sold now a qashqai
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29th Nov 05 at 20:16   View User's Profile U2U Member Reply With Quote

rick drapers nova isnt that gonna be some stupid amount of bhp when oops if finished
Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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29th Nov 05 at 21:09   View User's Profile U2U Member Reply With Quote

yeah ricks is supposed to be mega power indeed.

that mk2 astra on autronic live mapped but not fully mapped to altinator failuer is a weapon. between 450 and 500bhp and not yet fully mapped. thats awsome.

it is very very possible. ive made 257bhp do far and plan to go on to make over 400 sometime next year
Cole
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Registered: 11th Nov 02
Location: eastbourne Drives:zafira sold now a qashqai
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29th Nov 05 at 21:48   View User's Profile U2U Member Reply With Quote

rick drapers engine so shexy
Fad
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Registered: 1st Feb 01
Location: Dartford Kent Drives: 330cd
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30th Nov 05 at 00:23   View User's Profile U2U Member Reply With Quote

I know of a 500 + bhp LET being built and it will take silly money even then to make it reliable and usable.

So far its still in bits but the bottom end cost him 4.5 K alone building it himself and he is also planning on a quaiffe sequential box

Will bemad if he ever finishes it
PainZ
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Registered: 28th Jun 02
Location: Camberley, Surrey - Drives a Black Vectra VXR Esta
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30th Nov 05 at 08:04   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Fad
I know of a 500 + bhp LET being built and it will take silly money even then to make it reliable and usable.

So far its still in bits but the bottom end cost him 4.5 K alone building it himself and he is also planning on a quaiffe sequential box

Will bemad if he ever finishes it


Is this the same guy who keeps the block under his bed?? sounds mental!!
Jambo
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Registered: 8th Sep 01
Location: Maidenhead, Drives: VXR Arctic
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30th Nov 05 at 10:13   View User's Profile U2U Member Reply With Quote

think i know who that is fadima he has a certain "penchant" for LETs and mk 2 astras
Ditch
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Registered: 29th Nov 02
Location: St Albans Drives: JDM Celica GT4 WRC
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30th Nov 05 at 11:06   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Cole
rick drapers engine so shexy





Biiiiiig turbo and external wastegate
timrud_
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Registered: 3rd Jul 04
Location: Sheffield
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30th Nov 05 at 17:54   View User's Profile U2U Member Reply With Quote

That car will be awesome when its FINALLY done lol
Cole
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Registered: 11th Nov 02
Location: eastbourne Drives:zafira sold now a qashqai
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30th Nov 05 at 18:02   View User's Profile U2U Member Reply With Quote

wonder what the situation is on that car havent seen an update for ages

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