dcliff1

Hey All,

I have a question - are XR6 engines designed and built 'tougher' than normal 4.0L engines?

I was thinking about it today, and since everyone would be rev'ing their XR's occasionally.. wouldn't they have made the engine parts more durable? I mean to pull 164kW at 5000 rpm, they'd have to anticipate people would be reving to get the power? Whats stopping the engine blowing up if every second day someone races another person off the lights or snaps second gear occasionally?

Cya!

Jamie XR6

Talking AUs I assume?

There isn't a great deal of difference between the standard 6 and the XR6 HP. Basically it's a better cam that creates the extra kWs. The VCT has this and a better exhaust to create 172kW.

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Sept 03 BA XR6 Turbo, Silhouette, T5, APS Unichip, BPT short shifter & Momo bits, FPV pedals, Custom Leather, 18" Wheels, PBR sports calipers, Window Tint, Typhoon CAI, Side stripes.

dcliff1

I was actually thinking EF/EL :) But I'm guessing AU would be pretty much the same

Soxx

The mechanical strength of the engines are the same.
The only part of the engine which has increased strength are the valve springs. This is to cope with the extra lift cam.
The block, crank, pistons, rods, etc, are all the same.

Rick.

Jamie XR6

Yep, same deal with the EF/EL

__________________
My Car's Website: Click Here
Sept 03 BA XR6 Turbo, Silhouette, T5, APS Unichip, BPT short shifter & Momo bits, FPV pedals, Custom Leather, 18" Wheels, PBR sports calipers, Window Tint, Typhoon CAI, Side stripes.