Quote:
Originally Posted by Dirty Rooster
It sounds like a rare car,
is that pre-CAT days?
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Quote:
Originally Posted by monkeh
I think so, cats came in at h reg.
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Quote:
Originally Posted by volvoid
4 star ! now theres a proper car. Does it have hardened valve seats ? Some lead-replacement additive might be a good idea.
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Cats became mandatory on 1/1/92 - after H reg had finished so in simple terms, J reg or newer has to have a cat, although there are exceptions. I have a 94/L reg that is still permitted to pass the "BET" - Basic Emissions Test (non-cat) because it fell into the "changeover grace period" that was granted due to the quantity of vehicles sitting in dealers showrooms, sotrage yards etc before being sold.
Being an alloy head, it will automatically have valve seat inserts, these normally cope with unleaded without modification but high octane unleaded (BP Ultimate, Shell V-power Nitro etc) is advisable, preferably not from supermarkets except for Sainsburys who are supplied by BP with the same petrol as they sell on their own forecourts.
Some Volvos were available with a cat (Lambda Sond) from about 1989 onwards as an option, in my Utopia all cats would be removed so we would no longer be poisoned by H2S on a regular basis!
