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au v8 manual rpm at 110 

 

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 Post subject: au v8 manual rpm at 110
Posted: Thu Apr 14, 2016 10:46 pm 
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Age: 35

Posts: 17

Joined: 11th Feb 2016

Ride: AU S2 black manual XR8 Ute

Location: Perth
WA, Australia

hey guys

just picked up a 2002 au xr8 ute, manual.

so im cruising home after buying the ute, sitting on 110kph in 5th cog and my rpm is around 2800??

me thinkies the final drive has been changed, whats everyone else getting?

std 17" rims and tyres



-shaun
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 Post subject: Re: au v8 manual rpm at 110
Posted: Fri Apr 15, 2016 9:04 am 
Getting Side Ways
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Age: 54

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Joined: 12th Aug 2007

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Ride: AU2 XR8 ute & 91 EA bitsa

Location: Melbourne
VIC, Australia

On 110 kmh, my speedo is about 2200rpm. From the gearing calculator, it says you have 4.11 diff.

 

 

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AU2 XR8 with Raptor VL, ported Yella Terra GT40P heads, Scorpion 1.6 RRs, XE264HR-14 Comp Cam, ceramic coated Hurricane Headers, 60lb injectors, Walbro 255, 200cfi cats, 3" exhaust & Snow Performance water methanol injection

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 Post subject: Re: au v8 manual rpm at 110
Posted: Fri Apr 15, 2016 1:24 pm 
Technical Contributor
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Age: 35

Posts: 17

Joined: 11th Feb 2016

Ride: AU S2 black manual XR8 Ute

Location: Perth
WA, Australia

cheers shortshift.

good for fun, not good for cruising. whats the std ratio anyways?
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 Post subject: Re: au v8 manual rpm at 110
Posted: Fri Apr 15, 2016 2:01 pm 
Getting Side Ways
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Age: 54

Posts: 839

Joined: 12th Aug 2007

Gallery: 22 images

Ride: AU2 XR8 ute & 91 EA bitsa

Location: Melbourne
VIC, Australia

The standard XR diff ratio was 3.45:1, which is a compromise between performance and economy.

 

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AU2 XR8 with Raptor VL, ported Yella Terra GT40P heads, Scorpion 1.6 RRs, XE264HR-14 Comp Cam, ceramic coated Hurricane Headers, 60lb injectors, Walbro 255, 200cfi cats, 3" exhaust & Snow Performance water methanol injection

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 Post subject: Re: au v8 manual rpm at 110
Posted: Fri Apr 15, 2016 3:14 pm 
Technical Contributor
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Age: 35

Posts: 17

Joined: 11th Feb 2016

Ride: AU S2 black manual XR8 Ute

Location: Perth
WA, Australia

thanks again buddy, i think ill swap it back to standard, not practical for me.

if anyone in perth is interested in a straight swap centre for centre pm me and we can sort something out

cheers
-shaun
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 Post subject: Re: au v8 manual rpm at 110
Posted: Fri Apr 15, 2016 8:19 pm 
Getting Side Ways
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Joined: 22nd Jan 2009

Ride: '91 EB Wagoon

Location: Geeelong
VIC, Australia

bugga! .... coulda done a straight diff swap as i have a spare 3.23 diff here :lol:


the 3.45 is a great swap too ... good pickup & revs are not high
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 Post subject: Re: au v8 manual rpm at 110
Posted: Sat Apr 23, 2016 9:31 pm 
Technical Contributor
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Age: 35

Posts: 17

Joined: 11th Feb 2016

Ride: AU S2 black manual XR8 Ute

Location: Perth
WA, Australia

I'll run with the current combo for a bit and see if I get use to it for now, it's realistically not going to get driven too much anyway. May as well enjoy it.....
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