Astor XS XU7J4RS (For Sale £1000)

[Grant]

5 hours work;

How did you do that? It looks awsome!

Plenty have fitted it and ignored the problems inherited by it, but they are still there. The difference is that some people recognise a healthy engine and a decent powerband whereas others are so blinded by the added under-bonnet bling and the nice noise it gives off to notice that they have actually created a problem, rather than made an improvement.

I'd love to see a dyno-graph from a GTi6'd 1.8 which didn't show a loss in power. They need aftermarket management to work, unlike when fitting the same inlet to a 2.0 XSi, in which case it seems to work to better effect...

You got any of them dyno printouts handy mate, would be interested to see them.
I will take you out in my car at FCS, and you can make your own mind up. It pulls fine, doesnt hunt, i get no pre-detonation as mentioned above, no knock, just one hell of a bearingy sounding water pump But ill let you make your own mind up, as i clearly have been blinded by the bling and don't know myself.

As mentioned by Dan86 my engine also does feel as if it dips in power at about 5k rpm, but then so did the 2 previous xu7jp4's i had before this, with standard manis. It almost feels as if they are running a form of boost. Its just a characteristic of the engine

A common cause of running issues with this engine is the ECU. There has been a lot about this recently on here, and it is a well documented that goes hand in hand with running issues. If you are insinuating that an XSI should run a '6 manifold no problem, i struggle to see what distinctive differences between the engines have brought you to this conclusion. The engine sensors are the same across the two engines, the only main difference being the engine displacement.
If your going to say about over fuelling, this should not be an issue if the 1.8 FPR and injectors are used. The sensors on the engine controlling the fueling and combustion are designed to work with the FPR and injectors from the 1.8. How would they be outside their parameters? This then leaves us with all that has been increased is the airflow, how is this different to opening the butterfly on the throttle body? Especially in the case that Ben^^^ has used the 1.8 TB.

It just doenst cut it for me until i see cold hard evidence that this mod is bad for a car. Then i will apologize with my coat on. Granted, a remap is needed to gain the full potential of the mod, i do not deny this. But if installed correctly i cannot see how it can cause damage...