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220kw AU XR8 Cam 

 

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 Post subject: 220kw AU XR8 Cam
Posted: Thu Oct 12, 2006 12:41 pm 
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NSW, Australia

Just wondering if this cam is any good?

http://www.cranecams.com/?show=browsePa ... e=camshaft

 

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2001 AUIII - Falcon XR8 220
201.3 rwkw (270 rwhp)

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Posted: Thu Oct 12, 2006 1:27 pm 
Tyre Shredder
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That cam is a very popular upgrade for 5.0L Falcons. Street manners & respectable horsepower at the same time. Just make sure your valvetrain can handle the revs & lift. The stock springs are pretty crap with any cam.

 

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Posted: Thu Oct 12, 2006 4:15 pm 
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So whats involved with upgrading the valvetrain?

You said the stock springs are crap. What do you reccomend?

What about the rockers? Do i need new ones? Or change the ratio from the std 1.6.1 (i think) to 1.72.1

 

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2001 AUIII - Falcon XR8 220
201.3 rwkw (270 rwhp)

BPT Powerstat
12mm Phenolic Spacer
Straight Thru Exhaust
PH 4001 Extractors (Paccies)
K & N Panel Filter
BA MKII Stripes

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Posted: Thu Oct 12, 2006 5:15 pm 
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If you choose to go with double valvesprings (which I recommend), then the cylinder heads need to be removed for machining.

The springs that are recommended by Crane for that cam are around 120lb closed, and 340lb open. The installed height on the AU heads are about 1.80"....I'll be running the same cam with the Crow 7333 springs installed at 1.78" (~135 closed, and 320 open)

I would change the rockers as well, too much chance of breaking a stock rocker with a more aggressive cam IMO.

Get the 1.6:1 YT Stealth rockers (ST2047 i think), the 2030 is designed for the 1.6:1 rockers.

More than likely, you will need different length pushrods as well. You wont know this until the cam is in and you can measure it properly with an adjustable pushrod.
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Posted: Sat Oct 14, 2006 2:12 am 
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How does this one compare to the 2040 cam ?

 

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Posted: Sat Oct 14, 2006 11:07 am 
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AXR88U wrote:
How does this one compare to the 2040 cam ?

The 2040 is the same cam as the E303
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Posted: Sat Oct 14, 2006 2:52 pm 
Getting Side Ways
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hay james go and see andrew wright at orange engine recondisoning in willam street or contact baker bothers in molong .bonk at auto one can give you there address
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