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Author My Red GSi C20LET...She runs again!!
Mike GSi
Member

Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
User status: Offline
14th May 09 at 11:41   View User's Profile U2U Member Reply With Quote

Got a new arm on its way, first thing is to sort that out, ive got a couple of lads coming to look at it tonight, both have had many LET conversions. I cant afford to send it to some robbing bastards tbf willay, otherwise i would, but ive litterally run out of funds to spend on it for now
Fad
Member

Registered: 1st Feb 01
Location: Dartford Kent Drives: 330cd
User status: Offline
14th May 09 at 11:45   View User's Profile U2U Member Reply With Quote

Its prolly something so simple, I always found it was either the loom or some kind of sensor
Mike GSi
Member

Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
User status: Offline
14th May 09 at 12:12   View User's Profile U2U Member Reply With Quote

I hope so, i wouldnt mind so much if i didnt run at all, but when i first started it it ran beautifully
spankyjames
Member

Registered: 26th Jun 06
Location: Corsham, Wiltshire
User status: Offline
14th May 09 at 12:17   View User's Profile U2U Member Reply With Quote

got the same prob on my xe mate had it running then it just died, i have changed so much stuff on it, i feel your frustration

loving looking car btw


[Edited on 14-05-2009 by spankyjames]
john_c20xe
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Registered: 10th Feb 08
Location: Eastbourne, EastSussex
User status: Offline
14th May 09 at 12:30   View User's Profile U2U Member Reply With Quote

if ther is too much fuel pressure can you not just fit a after market fuel pressure regulator and set the fuel pressure to what its suposed to be?
john_c20xe
Member

Registered: 10th Feb 08
Location: Eastbourne, EastSussex
User status: Offline
14th May 09 at 12:31   View User's Profile U2U Member Reply With Quote

oh yeh on my old xe i had a fueling problem and ticking over problem it was one wire going to the connecter on the coolant temp sensor was broken
Mike GSi
Member

Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
User status: Offline
14th May 09 at 12:35   View User's Profile U2U Member Reply With Quote

Tripple checked the wires to the CTS, also trid my X16XE one, it may be ok now, but i wont know untill i get this dizzy arm on
Mike GSi
Member

Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
User status: Offline
14th May 09 at 12:50   View User's Profile U2U Member Reply With Quote

My car has an XE inlet Cam, im gathering that it times up the same?
Ian W
Member

Registered: 8th Nov 03
Location: Wirral, Merseyside
User status: Offline
14th May 09 at 12:53   View User's Profile U2U Member Reply With Quote

I have no experience of LET's but im sure I remember reading that if your using an XE inlet cam you haev to slightly retard the timing
fazza
Member

Registered: 7th Feb 08
Location: Plymouth
User status: Offline
14th May 09 at 13:29   View User's Profile U2U Member Reply With Quote

the inlet cam needs to be retarded by between 5-7 degrees mate.

Has yours had this done?

did you fit the cam or was it already done?

does the engine turn over mike or nothing at all?
Mike GSi
Member

Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
User status: Offline
14th May 09 at 15:32   View User's Profile U2U Member Reply With Quote

Already fitted, im not sure where the camshaft is, but ive timed the plullies up how theyre meant to be so how much is 5-7 degrees? 1 toth? 2 teeth?
Olsrey
Member

Registered: 13th Jan 07
Location: Bradford   Drives: LET Vectra B
User status: Offline
14th May 09 at 15:39   View User's Profile U2U Member Reply With Quote

Idealy you need a vernier pulley. It's not NEEDED as such, but for best power it is. Will run fine on standard markings or retarded by 1 tooth. But best to get a vernier pulley for it.
Mike GSi
Member

Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
User status: Offline
15th May 09 at 11:30   View User's Profile U2U Member Reply With Quote

Its running again, but still lumpy as shite, and misses, adding throttle just stalls it.
fazza
Member

Registered: 7th Feb 08
Location: Plymouth
User status: Offline
15th May 09 at 11:33   View User's Profile U2U Member Reply With Quote

it might be running lumpy due to the inlet cam mate
Mike GSi
Member

Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
User status: Offline
15th May 09 at 11:39   View User's Profile U2U Member Reply With Quote

have tried retarding it a tooth, ran worse
the thing is it was running faultless other than abit of hesitation, due to a fooked dizzy. this is whats so frustrating, i know it has been running fine, and not knowing whats causing it is a major ball ache, id rather it be something serious and know what was wrong with it.

going to do a compression test, im hoping ive burnt a valve out of something.
fazza
Member

Registered: 7th Feb 08
Location: Plymouth
User status: Offline
15th May 09 at 11:41   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Mike GSi
im hoping ive burnt a valve out of something.


your mad

you tried a different dizzy mate?

Mike GSi
Member

Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
User status: Offline
15th May 09 at 11:48   View User's Profile U2U Member Reply With Quote

Yes ive tried 4, my originall was shagged, then put a new one on, which then smashed 2 rotor arms becuase the shaft was bent so now ive got a new whole unit with new arm, leads are fine, all sparking fine, plugs are new.
john_c20xe
Member

Registered: 10th Feb 08
Location: Eastbourne, EastSussex
User status: Offline
15th May 09 at 12:14   View User's Profile U2U Member Reply With Quote

is the exhaust cam ok? if it smashed your dizzy?
Mike GSi
Member

Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
User status: Offline
15th May 09 at 12:25   View User's Profile U2U Member Reply With Quote

it was just the shaft that goes from the cam shaft to the arm, in the metal housing with the 3 pin plug on it. like i said a compression test will reveal all
Iain M
Member

Registered: 18th Aug 05
Location: Wigan - Drives 272bhp corsa ZLET
User status: Offline
15th May 09 at 12:30   View User's Profile U2U Member Reply With Quote

More patience than i have i would of either burned it out or took it some place and told them to fix it.

Nice project as well Mike stick at it.
john_c20xe
Member

Registered: 10th Feb 08
Location: Eastbourne, EastSussex
User status: Offline
15th May 09 at 12:37   View User's Profile U2U Member Reply With Quote

when i had this trouble with me xe it took my place days to find out what was wrong with it, im glad i didnt pay anyone to look at it lol
Mike GSi
Member

Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
User status: Offline
15th May 09 at 12:38   View User's Profile U2U Member Reply With Quote

Ive taken it to a place becuase i gave up on searching, and tbf it came back worse than it went. (lesson learnt) i have been very tempted to give up completely, but then i cant justify wasting all that time, effort, money etc.
FruitBooTeR
Member

Registered: 18th Jan 07
Location: Wolverhampton Drives: S15
User status: Offline
15th May 09 at 12:42   View User's Profile U2U Member Reply With Quote

Made that mistake with my last one mate now ive gotta do it all again!

Dont give up you will sort it
Ian W
Member

Registered: 8th Nov 03
Location: Wirral, Merseyside
User status: Offline
15th May 09 at 12:43   View User's Profile U2U Member Reply With Quote

Get used to it mate, the joys of engine conversions
Mike GSi
Member

Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
User status: Offline
15th May 09 at 12:48   View User's Profile U2U Member Reply With Quote

if the car was a shed, it would have been gone by now tbh.




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