79 Corolla with a 12a rotary swap

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Louaustin
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Joined: Thu Mar 11, 2021 3:02 am

79 Corolla with a 12a rotary swap

Post by Louaustin » Fri Mar 12, 2021 3:04 am

What's up guys, just got ahold of a 79 corolla with a 12a swap. Looking to upgrade suspension and brakes and have been having a hard time finding info. Looking for any ideas and tips to this car and swap combo.
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BOBLOOK
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Re: 79 Corolla with a 12a rotary swap

Post by BOBLOOK » Fri Mar 12, 2021 6:13 pm

Welcome !

Not sure this info can help you !

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AE25
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Re: 79 Corolla with a 12a rotary swap

Post by AE25 » Sat Mar 13, 2021 8:24 am

Hi louaustin,
If it's a te31 chassis then the front is quite easily upgraded to aftermarket ae86 strut/brake combos. (techno toy tuning sell a bunch of stuff). If it's a ke30 chassis and you're fitting ae86 strut, you'll also need to address the steering knuckle because the bolt spacing is different, 87mm instead of 85mm on the te/ae suspension. (Use te3# knuckles).

If you already have the 6.7" T code diff then there are online guides to how to convert to disk brake. search for "toyota T series drum to disk conversion" or similar, hopefully finds the info. Or if wanting to upgrade to a bigger size (6.7" is the largest factory fitted diff in this chassis), the next size up in toyota diffs with LSD available is the 7.5" F code. Most suitable is a ma46 mk1 supra with disk brakes, although getting hard to find. need to swap mounts over to suit leaf spring amongst other things.

Louaustin
Posts: 2
Joined: Thu Mar 11, 2021 3:02 am

Re: 79 Corolla with a 12a rotary swap

Post by Louaustin » Sat Mar 13, 2021 2:33 pm

Thanks for the info, definitely needed that.

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