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Valve Springs In an AU 

 

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 Post subject: Re: Valve Springs In an AU
Posted: Fri May 28, 2010 2:12 pm 
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Standard lift is .500 If the lift is .512 need stiffer springs????

 

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 Post subject: Re: Valve Springs In an AU
Posted: Fri May 28, 2010 2:34 pm 
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ford-racer46 wrote:
Standard lift is .500 If the lift is .512 need stiffer springs????


nope, std lift is around .455 iirc , and anything over .520 will need heavier springs..
the au springs wont bind untill about .580, but anything over .520 lift, the ramp rate of the lift is to much, there for the spring needs a higher spring pressure to close fast enough to stop the valve bouncing..
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 Post subject: Re: Valve Springs In an AU
Posted: Fri May 28, 2010 2:46 pm 
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Ahh thats good to know, cheers troyman.

Now I just gotta organise a few things and off to the dyno! :twisted:

 

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 Post subject: Re: Valve Springs In an AU
Posted: Fri May 28, 2010 3:45 pm 
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Yeah nice one TROYMAN!! Thanks, looks like wade scraped em in!!

 

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Now, I've got a message for all the other drivers out there. If you smell a delicious, crispy smell after the race, it's not your tailpipe. It's just a little of Shake...and Bake!
SHAKE AND BAKE

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 Post subject: Re: Valve Springs In an AU
Posted: Fri May 28, 2010 4:17 pm 
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here is some info to help with understaning cam shafts..

http://www.webcamshafts.com/pages/cam_glossary.html
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 Post subject: Re: Valve Springs In an AU
Posted: Fri May 28, 2010 7:20 pm 
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krisisdog wrote:
Holy get f**k! I'd be finding somewhere else to put them in!!


how much should it cost?

 

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 Post subject: Re: Valve Springs In an AU
Posted: Fri May 28, 2010 7:41 pm 
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Well I had my head decked 20thou, crack tested, stem seals replaced and the crow springs and retainers I supplied done for $300... Sure its harder when its on the car, but not $800 hard.

 

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 Post subject: Re: Valve Springs In an AU
Posted: Fri May 28, 2010 7:42 pm 
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krisisdog wrote:
Well I had my head decked 20thou, crack tested, stem seals replaced and the crow springs and retainers I supplied done for $300... Sure its harder when its on the car, but not $800 hard.


ok do you have the AU head though with the double valves springs?

 

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 Post subject: Re: Valve Springs In an AU
Posted: Fri May 28, 2010 9:30 pm 
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Certainly do.

 

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 Post subject: Re: Valve Springs In an AU
Posted: Fri May 28, 2010 9:31 pm 
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krisisdog wrote:
Certainly do.


thats an awesome price. wonder if someone around here will do it cheap

 

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 Post subject: Re: Valve Springs In an AU
Posted: Fri May 28, 2010 9:39 pm 
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Yeh might just have to scout around.
They charged me like $60 cash to deck the head flat on the fairmont when I did the h/g on it.

 

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 Post subject: Re: Valve Springs In an AU
Posted: Fri May 28, 2010 11:18 pm 
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krisisdog wrote:
Yeh might just have to scout around.
They charged me like $60 cash to deck the head flat on the fairmont when I did the h/g on it.

You had the head off tho right? does the other dude?

 

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Now, I've got a message for all the other drivers out there. If you smell a delicious, crispy smell after the race, it's not your tailpipe. It's just a little of Shake...and Bake!
SHAKE AND BAKE

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 Post subject: Re: Valve Springs In an AU
Posted: Fri May 28, 2010 11:30 pm 
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Yeh I did, though like I said its not that much harder to do it while its on, just sounds like they dont want the work.
ps. to get the head shaved, yes, you have to have the head off..

 

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 Post subject: Re: Valve Springs In an AU
Posted: Fri May 28, 2010 11:41 pm 
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krisisdog wrote:
Yeh I did, though like I said its not that much harder to do it while its on, just sounds like they dont want the work.
ps. to get the head shaved, yes, you have to have the head off..

Is porting hard? why do they charge a mint

 

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Now, I've got a message for all the other drivers out there. If you smell a delicious, crispy smell after the race, it's not your tailpipe. It's just a little of Shake...and Bake!
SHAKE AND BAKE

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 Profile  
 
 
 Post subject: Re: Valve Springs In an AU
Posted: Sat May 29, 2010 12:09 am 
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Time consuming, and you need to know what you're doing.

 

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