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BA XR8 engine questions 

 

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 Post subject: BA XR8 engine questions
Posted: Fri Nov 29, 2019 8:04 am 
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Age: 43

Posts: 1

Joined: 3rd Dec 2017

Ride: BA XR8

Location: Geelong
VIC, Australia

Hi guys,

First time posting here and I just have a couple of questions.

I have a BA XR8 which is my pride and joy. When I bought it it already had brakes, suspension, air cleaner and exhaust upgrades.

I just have had my car serviced and my mechanic thinks I have a valve problem.
He has determined this by the sound the engine is making - although to be honest I'm struggling to hear exactly what sound he's talking about...

To do a valve repair is that an engine out job? He thinks it isn't, but I've read that it probably is?

Would it be worthwhile to get the heads decked to increase compression while it's being worked on?
I was thinking of 10.5:1. Would that still work with 95 premium?

Ive also read that these engines had a problem with the timing chain tensioners? Apparently they're made of plastic and people replace them with a metal one instead.
Is this something I should be looking at as well?

Thanks for any input guys as I admit, I don't know that much about these engines.

Russ
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 Post subject: Re: BA XR8 engine questions
Posted: Wed Dec 04, 2019 7:41 pm 
Moderator
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Age: 42

Posts: 2406

Joined: 6th Oct 2005

Ride: 93EB Fairmont / BA Falcon XR6T

Location: Western Sydney
NSW, Australia

In my opinion if its driving fine to you then leave it alone.
You dont need to take out the engine for valve work.
Tensioners can be a problem on XR8s but i think they were revised on mk2 on. Not 100 percent on that.

 

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93 EB II Fairmon8 with 17' EL GT's / Clear indicators / H.I.Ds / Sports exhaust / Lowered 2' / K&N / XR6 ECU.
2004 BA MKI XR6T in Lightning Strike paint / K&N / XR8 bonnet / BF lights and a few tweaks.

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