I have a 1981 mazda RX-7 that has not ran for about 10 years and looking to restore the engine. How much should I budget to restore engine?

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  • 4 weeks ago

    There is a reason why Granny's speed shop is able to stay in business! That reason is that the RX cars do not get along with those who ignore directions! It will be cheaper to swap in a different engine. I am in the same problem and for what it is worth thinking of using a Miata power train (engine and transmission). The 7 is lighter then the Miata. The Miata engine is very bullet proof and can easily be boosted to out puts matching the stock 13B.

  • 4 weeks ago

    It probably needs to be completely torn down to replace all the o-rings and seals. Call a Mazda dealer for a quote.

  • Jay P
    Lv 7
    4 weeks ago

    How much it will cost to restore depends on what type of shape it is in currently.

    What type of shape was it in when it was parked and ended up sitting for 10 years?

  • Anonymous
    4 weeks ago

    How much you should budget depends on the condition and how far you want to go with it. If the rotor housing is trashed , you'll have to find a junkyard replacement, otherwise it won't be rebuildable. Assuming a good housing, and if you can do almost all the work yourself, a complete overhaul kit will cost about $1,100 plus tax. Machine work and sundries will run at least another $1000. If you have it professionally rebuilt by a rotary engine specialist such as Atkins (highly recommended), it will cost about $3,650 delivered, not including the cost of crating and shipping your engine to them as a core. That might cost another $500. Porting, polishing and balancing cost extra.

    p.s. Grammar lesson - "It has not RUN for about 10 years..."

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  • Rick
    Lv 6
    4 weeks ago

    Was that when Ford owned it ?? THAT would make rebuilding a LOT cheaper ................

  • Ron
    Lv 7
    4 weeks ago

    5 grand..........................

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