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MOT Exemption

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So....

the SIII 1st registered in 1975 has it's MOT due at the end of the month. 

It is now registered as an historic vehicle.

When we bought it it had a 90 2.5 petrol engine in it - we are told it was originally diesel. We are not sure when the petrol was put in but probably within the last 30 years.

Given that an engine change is listed as a substantive change exempting the vehicle from the MOT exemption BUT such swaps were carried out within the first 10 years of the end of production would the advice of this group be that the vehicle is now exempt from needing an MOT? ( At least I think such swaps were carried out in the 10 years post production stopping of the SIII )

This URL is the official gov link for information if that helps.  https://www.gov.uk/government/publications/historic-classic-vehicles-mot-exemption-criteria/historic-classic-vehicles-mot-exemption-criteria#acceptable-changes

regards,

 

Richard

 

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As the 2.25 petrol and diesel were both standard options and the 2.5 is a development of the 2.25 and has the same characteristics and configuration, my understanding is that it is not considered a substantive change.  However, apart from the obvious comment that from a legal perspective, getting an MoT done is the safest bet, it's also true from a practical point of view; how many of these old vehicles are in good enough condition, with inspections and maintenance regular and rigorous enough to justify not having an MoT?  Not many.  I urge you, for others' safety as much as your own, to get it checked every year - this new regulation is ludicrously dangerous, even if used for the concourse restorations it was likely intended for.

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I agree and will be submitting it for a pre-MOT anyway. You really can not mess with this sort of thing and better to be safe than not. 

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Wow did not realise the rules had changed so significantly from previous years. Thanks for the link as my vehicle has significant changes but were well documented back in 1980! Plus the recent change I am making is classed as a safety upgrade so all is good.

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“Alternative cubic capacities of the same basic engine and alternative original equipment engines are not considered to be a substantial change.

If the number of cylinders in an engine is different from the original it’s likely to be, but not necessarily, the case that the current engine is not alternative original equipment.”

The 2.5 is the same basic engine as the 2.25. No issue.

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