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Author Subject: Gti6 engine swap
stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,768

Status: Offline
Post #26
Cjwatson27 wrote:
It does go well and the hesitation i think is down to the clutch but the fact it sounds like sewing machine still has me worried , if it had bent valves wouldn't it misfire ? ,


Nope.

The reason they don't misfire is because the valve (despite being bent) is overpowered by the valve springs and still seals correctly on shutting. The issue with this is, every time the spring forces the valve head back into the seat, it has to slightly 'unbend' the valve stem. After a period of time doing this, the stem eventually weakens and the valve head snaps off destroying the engine. Some have had this happen after a few miles of tapping, others have done 50,000 miles with a tapper before the valve has let go, it's random.

________________________________________

"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 2nd Feb 2014 at 21:23
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stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,768

Status: Offline
Post #27
Cjwatson27 wrote:
I might pull this apart again, can you get standard pistons pocketed ?


Yes

You can indeed.

________________________________________

"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 2nd Feb 2014 at 21:30
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Cjwatson27

Seasoned Pro

Location: Oxford

Registered: 17 Sep 2013

Posts: 1,968

Status: Offline
Post #28
Thanks Stan it now has a bigger problem has someone slashed all 4 of my tyres last night Angry

________________________________________

Old pugs don't die they just get faster
Posted 2nd Feb 2014 at 22:10
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pete-gti

Seasoned Pro

Location: Kent

Registered: 15 Feb 2009

Posts: 1,297

Status: Offline
Post #29
That's not good , thugs for you
Posted 2nd Feb 2014 at 22:14
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Cjwatson27

Seasoned Pro

Location: Oxford

Registered: 17 Sep 2013

Posts: 1,968

Status: Offline
Post #30
Has a xsi i never had a problem with it , since the gti6 conversion ive got bent valves a dented bonnet and 4 slashed tyres , and it's only been a week Thumbs down

________________________________________

Old pugs don't die they just get faster
Posted 2nd Feb 2014 at 22:20
Profile
stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,768

Status: Offline
Post #31
That's not a great start...

Whose GF have you been playing with? LOL

We don't know for sure that you've got bent valves, but if the noise hasn't gone away after a drive of say 10 minutes then I'd say it's highly likely unfortunately. Sad

________________________________________

"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 2nd Feb 2014 at 22:43
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Cjwatson27

Seasoned Pro

Location: Oxford

Registered: 17 Sep 2013

Posts: 1,968

Status: Offline
Post #32
If only LOL a petty parking dispute that got out of hand , I've got the police involved now WinkUnsure

________________________________________

Old pugs don't die they just get faster
Posted 2nd Feb 2014 at 23:05
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