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 Post subject: Alternator
Posted: Sun Nov 23, 2008 12:47 pm 
Getting Side Ways
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Hi guys,
what amps do standard alternators run on E series V8's?

Should we be upgrading our alternators if we do say a "top end rebuild", with a lumpier cam that at times causes stalling?

I've got an AU3 Cam in my ELXR8 along with the usual top end rebuild stuff, It's all good in all sorts of driving, I can sits at the lights and it won't stall, but if I'm parking up or downhill where you need short stabs at the throttle, the rev range starts to play up and it will stall.

My TPS's are set at 0.97 & 0.98.

Am I barking up the wrong tree?

Should I be looking at the ignition side?

 

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Posted: Sun Nov 23, 2008 1:34 pm 
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Ride: 1999 XHII XR8, 2002 AU Fairmont

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Definately barking up the wrong tree here.

The issues you have are not alternator related, if anything a nice big cam will have the alternator pumping out more as the revs at idle are generally higher.

 

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Posted: Sun Nov 23, 2008 2:44 pm 
Getting Side Ways
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Ride: EL XR8 / GHIA / GT

Location: Wollongong
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custom tune maybe required?

 

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Posted: Sun Nov 23, 2008 3:21 pm 
Getting Side Ways
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Highly recommend a custom tune. Best $1500 I spent. That included a upper to lower manifold gasket and fitting injectors though.

 

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Posted: Mon Nov 24, 2008 3:38 pm 
Getting Side Ways
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Ride: EL XR8 / GHIA / GT

Location: Wollongong
NSW, Australia

Any ideas anybody?
I may be wrong, but just because I'm running a AU3 Cam, doesn't mean I should have trouble doing simple things like parking in tight spots where you are on and off throttle in quick succession.
I don't think it's the ISC, as it takes load like A/C and P/S fine, TPS's are set right.

 

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Pacemaker Exhaust system with Hi-Flow Cats
Tickford / GT Body Kit
Electric Sunroof / Moonroof
FR19 Simmons Wheels
Ghia / GT Interior

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Posted: Mon Nov 24, 2008 6:31 pm 
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Dude, your cam will need a custom tune, due to the way it robs you of vacuum down low, hence the issue when parking and on/off throttle etc. Get it done and then you will be very happy
Brett

 

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