NoPistons -Mazda Rx7 & Rx8 Rotary Forum

NoPistons -Mazda Rx7 & Rx8 Rotary Forum (https://www.nopistons.com/)
-   Rotary Engine Building, Porting & Swaps (https://www.nopistons.com/rotary-engine-building-porting-swaps-55/)
-   -   12a To 13b (https://www.nopistons.com/rotary-engine-building-porting-swaps-55/12a-13b-14680/)

threepoundog 03-30-2003 03:58 PM

just wonderin what i have to do to put a 2nd gen 13b into a 1st gen with a 12a what do i have the change hoses etc. do i have to change mounts or what

spoolin 04-12-2003 08:36 PM

what kind of induction? 1st things 1st though, you'll need a 85 GSL-SE oilpan and front cover (where the engine mount is. 2nd gens use the intermediate housing from underneath hence the funny oilpan) and the engine mount of course. i can't rememebr other things i'm forgetting right now. oil lines you can get from racing beat (stainless steel ones with adapters... i think around $120). as for radiator hoses- once again, 85 13B GSL-SE.



what year 1st gen do you have anyway? do you have the beehive or the air/oil cooler? if you have the beehive water cooled one, get a oil cooler and radiator (3 row if you can. i bought one from www.radiatorbarn.com) from a '82 RX and go from there. pieces will start to fall into place

Racer X 04-17-2003 01:33 AM

And you have to decide on carb or full efi as well.Either way the 13b is fun. https://www.nopistons.com/forums/pub...#>/biggrin.png

Racer X 04-17-2003 01:35 AM

You forgot to mention the crossmember from a SE as well to move the mounts the 10mm forward to bolt it up or use the 12a-13b adapter the Racing Beat sells.



Luis


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