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AU series 1 XR8 cam and specs 

 

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 Post subject: AU series 1 XR8 cam and specs
Posted: Mon Mar 06, 2006 6:39 pm 
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If anyone has some info on the original cam specs of the 5.0 litre including valve lift / duration etc . And what the flow characteristics of the original manifold are please reply . Info needed for a computer application for engine modifying etc .
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Posted: Mon Mar 06, 2006 7:00 pm 
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From memory; 266 degrees total, .444lift. I'll have to get the valve events later. Intake flow I'll also have to dig out....I assume you mean explorer type?
Are you refering to an engine simulator in the last part?
I use Dyno2000. I find it pretty close on the power figures but optimistic with torque figures especially when you use seat to seat cam timing figures hence, I always use .050" specs.

Pete.
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Posted: Mon Mar 06, 2006 7:13 pm 
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Yeah thats the one , if its no trouble for ya to get the info it would be a really big help . Im trying to pick the best cam set up for the engine that gives me the most torque in the bottom end so by using the dyno program i can play with the figures till im happy with the result .
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Posted: Mon Mar 06, 2006 7:32 pm 
Getting Side Ways
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you should check out some of the crane Z-cam grinds.

 

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Posted: Mon Mar 06, 2006 9:50 pm 
Getting Side Ways
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Ride: 320kw BA XR8

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SA, Australia

I have the cam specs at
Lift 0.444/.444" (Intake/Exhaust)
Duration 276/266 (214/210 @ 50th)
Intake Open -11BTC Close 45ABC
Exhaust Open 39BBC Close 9BTC
Lobe Centers 118/116
Lobe Separation 115

And the Explorer intake flow is around 188cfm per runner
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 Post subject: hey edxr8
Posted: Tue Mar 07, 2006 2:12 pm 
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are those cam specs the same as 185kw as in fairmont au .or is xr8 different cheers
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 Post subject: Re: hey edxr8
Posted: Tue Mar 07, 2006 6:07 pm 
Getting Side Ways
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fairy v8 wrote:
are those cam specs the same as 185kw as in fairmont au .or is xr8 different cheers


Yep the 185kw XR8 engines along with the V8 Fairmont/Falcon's all run the same cam. The only ones which are different are the later 200/220/250kw tickford engines.
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Posted: Wed Mar 08, 2006 9:09 am 
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thanks for that edxr8 :D
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