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lowering compression...

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Old Oct 24, 2004 | 09:45 PM
  #1  
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From: Palmers Greek
Default lowering compression...

on a 1.6cvh using a ferriday oversize copper head gasget.
good idea or just a bodge that will fuck everthing up??
im a barber so dont know much about these car things u see
so an explaination would be great
av a nice day!
Gav
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Old Oct 24, 2004 | 11:09 PM
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Never used a cheap nasty gasket so dunno. Get it lowered properly by having the pistons bowled...or the head volumised
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Old Oct 24, 2004 | 11:14 PM
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ive already had 60thou skimmed off the pistons, just wondering what else could be done ?
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Old Oct 25, 2004 | 01:26 AM
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gav you use ahmed dont you!? i know someone that put one of those plates in to lower there comp and he was advised by ahmed to do it. The car as far as i know runs ok with around 19-20psi through it and 7000rpm limiter.
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Old Oct 25, 2004 | 04:07 AM
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Originally Posted by Hardeep_Singh
gav you use ahmed dont you!? i know someone that put one of those plates in to lower there comp and he was advised by ahmed to do it. The car as far as i know runs ok with around 19-20psi through it and 7000rpm limiter.
I am pretty sure Ahmed wouldn't advise using a spacer plate however given the circumstances with the person your talking about he really had no choice as money and time were more important I am assumming.

Thanks - Sunny.
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Old Oct 25, 2004 | 07:28 AM
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From: Palmers Greek
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ill get in touch with ahmed, thanks dudes
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Old Oct 25, 2004 | 08:49 AM
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your a barber now gav?????

better than the bank ?

you scary mofo wouldnt let you near my head with some scissors
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Old Oct 25, 2004 | 11:25 AM
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Originally Posted by sunny
Originally Posted by Hardeep_Singh
gav you use ahmed dont you!? i know someone that put one of those plates in to lower there comp and he was advised by ahmed to do it. The car as far as i know runs ok with around 19-20psi through it and 7000rpm limiter.
I am pretty sure Ahmed wouldn't advise using a spacer plate however given the circumstances with the person your talking about he really had no choice as money and time were more important I am assumming.

Thanks - Sunny.
He was the one who came up with the idea, i was very surprised he did though.
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Old Oct 25, 2004 | 03:18 PM
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There's a full feature being done by Performance Ford next month on Ferriday Engineering which includes a comprehensive write up about their copper head gaskets.

We'll have to wait and see what it says.
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Old Oct 25, 2004 | 03:25 PM
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Originally Posted by Hardeep_Singh
Originally Posted by sunny
Originally Posted by Hardeep_Singh
gav you use ahmed dont you!? i know someone that put one of those plates in to lower there comp and he was advised by ahmed to do it. The car as far as i know runs ok with around 19-20psi through it and 7000rpm limiter.
I am pretty sure Ahmed wouldn't advise using a spacer plate however given the circumstances with the person your talking about he really had no choice as money and time were more important I am assumming.

Thanks - Sunny.
He was the one who came up with the idea, i was very surprised he did though.
Ask yourself whether his idea was based on knowing that the engine builder couldn't take it all apart again and pay for new pistons, building costs etc + the time to start over again. LOL
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Old Oct 25, 2004 | 05:02 PM
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he was in the same situation as gav is rite now where he has taken off as much as he could off the piston in order for them to still be strong enough to use, so the only other way to lower it more without taking the engine apart was for a decompression plate to be used which was suggested by ahmed!!! both gav and this other guy were in the same boat hence why i've suggested to gav ahmed shouldn't have a problem as he also uses him.

Hardeep.
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Old Oct 25, 2004 | 05:04 PM
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Hardeep this wasn't the recommended route by Ahmed as I know the car ur talking about. Due to time and money there was no other alternative and thats why this route was taken. The pistons had been machined to the same level as Gav's.

However, to answer Gav question the copper should work fine, but the recommended method would be to use shorter rods.

Bobby
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Old Oct 25, 2004 | 10:14 PM
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Originally Posted by cossie power
Hardeep this wasn't the recommended route by Ahmed as I know the car ur talking about. Due to time and money there was no other alternative and thats why this route was taken. The pistons had been machined to the same level as Gav's.

However, to answer Gav question the copper should work fine, but the recommended method would be to use shorter rods.

Bobby
Exactly what I said!

Hows the married life treating you bruv?
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Old Oct 25, 2004 | 10:58 PM
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funny how things change when said on the internet!
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Old Oct 26, 2004 | 12:05 AM
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how do you mean mate?
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Old Oct 26, 2004 | 12:40 AM
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Was reffering to cossieless power dude!

Hardeep
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