Timing chain tensioners wear, very rarely but they do wear and I explained to stratstones workshop manager that after 30 odd years in the motor trade he wasn't going to pull the wool over my eyes,he reckoned there were 2 historical fault codes stored. 1 was a loss of communication from the cruise control and the other was equally irrelevant but I can't remember what it was. I mentioned the fact that I think the cam sensors are saying hang on something's not right here, as the chain bounces around its worn tensioner and he said no no no I've never heard of a tensioner wearing on this engine your getting confused with the older 4.0l and 4.2l. no mate Google it !!!
Supercharger is not money well spent then is it ?
Perhaps I just need to get over the jag's power and get on with life back in a jap, I ran supras for years.
Oh and forums, what about lude generation the prelude forum, or maybe your from south Wales and seen the plate, PH11 TED ?