Clem said:
Yes, engine 'type' changes mean you will require an mot.
Changes such as narrowed suspension, flipped spindles, beam swaps etc will be mot exempt as the 'type' of suspension remains the same. If you have a Red 9 wishbone system fitted with a steering rack etc, then you will require an mot.
I cant see much that most chassis repairs or minor modifications will afeect stuff but body drops will probably require mot'ing.
As I have said/written before, if you have any doubt (about eligibility, insurance validation or your bus itself) then get an MOT. Otherwise, enjoy the perk.
Mike - As im sure you may have seen there has been another rather more heated thread discussing these changes over on the latebay forum - my own take on the engine change legislation took a slightly different tack to you due to the way the guidance was written.
It states:
Engine – alternative cubic capacities of the same basic engine and alternative
original equipment engines are not considered a substantial changeIf the number of cylinders in an engine is different from the original, it is likely to be, but not necessarily, the case that the current engine is not alternative original equipment.
So a flat 4 cylinder 1600cc (VW) boxer engine compared a flat 4 cylinder 2.0/2.5cc (Subaru) boxer engine - is that a substantial change?
Further to the number of cylinders how about the guys who are running 6 cylinder Corvair/Porsche engines?
Although Aircooled, they are not VW engines and have an extra pair of cylinders is that considered to be a substantial change?
Axles and running gear – alteration of the type and or method of suspension or
steering constitutes a substantial change;
So a power-steering kit or fitting any form of air-ride suspension - is that substantial?
Im not trying to start another heated discussion however the application of the stated legislation can be open to an individuals interpretation.
Also worth bearing in mind BayWindow Buses were getting made in Brazil until relatively recently (2014) with an Inline 4 cylinder watercooled 1.4l Flex fuel Fox engine.
So according to the legislation:
The following are considered acceptable (not substantial) changes if they fall into
these specific categories:
• changes of a type, that can be demonstrated to have been made when
vehicles of the type were in production or in general use (within ten years of
the end of production)
So VW Baywindow buses were being made with watercooled engines upto 2014 which is well within the 10 years of end of production. And were 4 cylinder however constructed an inline layout.
Two different layouts (flat 4 and inline 4), same number of cylinders, same fuel system (petrol) - my take on it is that installing a Subaru engine is not a substantial change :msn4:
But will still get a MOT due to my local garage being an excellent aircooled specialist
Whats everyone elses take on the situation? 8)