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Thread: Change engine size on log book

  1. #1
    Bodger

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    Change engine size on log book

    I know things are always changing so this is why I ask. I want to change the engine size on the log book of my Mk1 Escort as I've changed it to a 2 litre. I had heard that you have to supply a letter on headed paper from a garage confirming the change and engine number, is this still the case? I also heard that sometimes someone will come round to check over the car and take a number of photos of it. The car's been on the road for the last 6 months, all insured and historically taxed etc, but I'm only now getting round to changing the log book. Can anyone foresee any problems? Cheers.

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    Re: Change engine size on log book

    Foresee problems - no. Suspect the DVLA will make it difficult - most likely!

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    Bodger

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    Re: Change engine size on log book

    It's now a turbo so did'int really want anyone looking at it from dvla.

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    Spanner Monkey

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    Re: Change engine size on log book

    If its historic tax class, then you don't need to supply any proof/documents of any engine change. Thats DVLA's own rules, problem is depending on which operator you get, depends on their knowledge of the rules. But I had no problems as have others who have done it recently. However in the current climate, I'd hold off sending it in as I suspect they might be short staffed and danger of losing the document in the mountain of backlog.

  5. #5
    Bodger

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    Re: Change engine size on log book

    Thanks mate, that's good to know.

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    Bodger

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    Re: Change engine size on log book

    Can changes like this be done online?

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    Spanner Monkey mullz's Avatar

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    Re: Change engine size on log book

    is there not a chance that an increase in engine size (and addition of turbo) would go against the historic vehicle rules, where the vehicle should not substantially altered from original. If so you could loose your free road tax!

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    Spanner Monkey

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    Re: Change engine size on log book

    Quote Originally Posted by mullz View Post
    is there not a chance that an increase in engine size (and addition of turbo) would go against the historic vehicle rules, where the vehicle should not substantially altered from original. If so you could loose your free road tax!
    No.

    Substantially modified merely refers to having an Mot or no MoT within the basic rules given by DVLA, nothing to do with losing free vehicle tax. Radically modified to which I think you are referring, is for more indepth modifications, and is based on a points system dependent on what you've cut or altered, and can result in IVA test etc etc, and is well documented also on DVLA's website.
    Last edited by Ken B; 26-03-2020 at 14:14.

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    Bodger

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    Re: Change engine size on log book

    So, sorry to resurrect this thread again guys, but.....

    I'm concerned about the change to ST170 engine from a 1300 in my Mk2 Escort estate, and wondered if it might be wise to try and get it MOTd first, and then register the engine change afterwards. Will the inspector reject it for having the wrong engine, or merely test it as normal?

    Looking on various forums and checking registration numbers of pictured vehicles, it appears that a number of people are actually running classic fords with MOTs that are still registered with the original lower capacity engine, so that suggests that it is possible. I'm intending to get mine correctly registered (don't want to risk driving it around with the wrong engine and having the insurance company play up) when it's finished, but I just want to try and make it as painless as possible.

    Cheers
    You can never have enough Ford toys

  11. #10
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    Re: Change engine size on log book

    mot tester wont care what engine is in your car, it wont make any difference to him or the test

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  13. #11
    World Champion Decade Plus User meXEco's Avatar

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    Re: Change engine size on log book

    As long as your insurance knows it should'nt matter with mot or dvla.


    '68 1100 Deluxe-bog stock soon to be a twincam rep.


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  15. #12
    Bodger

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    Re: Change engine size on log book

    Thanks Guys I was hoping that would be the answer.

    I'll be getting it MOTd and get an engineer's report from the same garage, so once I've done all of that I'll send the V5 off to change the engine size/number.
    You can never have enough Ford toys

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