PLEASE NOTE THE DATE THIS POST WAS MADE WAS 2007 and therefore the prices in it are out of date
We had a customer return us a pair of Pulsoids (that he'd bought 2nd hand), for servicing.
When they arrived it was obvious they'd been badly neglected and abused, so we were expecting the worst.
After an hour or two trying to dismantle the fuel Pulsoid (it normally takes just 5 mins), I eventually had to machine out the retainer because someone had taken it apart previously and re-assembled it using a bucket full of super strength Loctite.
Once apart it was obvious that the seat had been over adjusted and screwed up through the plunger seal which prevented the solenoid from opening and it even had the cut out section of the seat material plugging the outlet seat. Consequently fuel could never have made it's way through the Pulsoid.
ALL the internal parts needed renewing and re-testing at a cost of £70 so we were concerned that the customer would be upset at the price being so much more than the basic service price of just £25. However when we called him up to discuss the state of the Pulsoid, he informed us that he'd just destroyed his engine after using the second hand system without first having it checked and this had cost him £10,000 so another £70 was no big deal.
Now I guess he's been ripped off being charged that much, unless it was a Ferrari or something but the lesson are;
1) Why risk damaging an expensive engine buying a cheap or used nitrous kit.
2) Even if the used kit doesn't kill your engine, the difference in features that our new systems offer over our old ones, make it worth buying the new system.
3) If you must buy a used kit, at least send it to us to be serviced BEFORE you put your engine at risk by using a potentially faulty system.
4) By so doing it will cost you no more than £50 for the pair (unless they are in need of some new parts) and it could save you many 1,000s of £££s
It should be remembered that second hand WON systems retain a better resale value because they are much longer lasting, therefore the potential problems listed above are ten fold worse when considering a used US brand kit like NOS, NX, Cold Fusion, Ny-Trex, Dyno-Tune, Zex, etc.
A couple of final points that should be kept in mind when deciding what to purchase are;
1) ALL WON components of a nitrous system offer advantages over US brands and that even includes the bottle. WON bottles are legal to fill in Europe (US brands are NOT) and WON bottle valves are vastly superior to US brands, as well as having our unique Safe Pressure Relief Valve.
2) We are constantly improving ALL our component designs and in most cases the difference in price between a serviced and/or upgraded system and a new system is negligible, therefore it makes far more sense to buy new.
I hope this helps others to avoid such expensive situations.
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