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-   -   12A Turbo vs 13B-T : For a Lightweight Beetle Kit Car (https://www.rx7club.com/old-school-other-rotary-63/12a-turbo-vs-13b-t-lightweight-beetle-kit-car-1139027/)

DoritoJesus 09-16-19 10:16 AM

12A Turbo vs 13B-T : For a Lightweight Beetle Kit Car
 
After a lot of research I can’t find a definitive answer on which engine is better , some people argue that the 12A is dogshit and others argue that the 13b is overrated and that it’s only slightly better than a 12A .The car is extremely light ( lighter than a beetle ! ) and a lot of people have warned me that more power =\ not necessarily faster , now I know all about Wheelspin and Drag coefficient, Down Force , air pressure , Weight Distribution ... e.t.c now I know a 13B-TT might be overkill but will a lightly modded street-ported 12a turbo manage to get a top
speed of 300 km/h and a sub 5s 0 - 60 km/h.

I know this is kind of a depends and it’s a stupid question but please forgive me

dguy 09-16-19 10:58 AM

12As aren't dogshit, but 13Bs are ( in my opinion) better in virtually every respect with next to no down side.

DC5Daniel 09-16-19 11:50 AM

From a sheer parts availability standpoint, I would think the 13B would be a no-brainer at this point.

73rx313b 09-16-19 01:39 PM

If the car is as light as you say, i would say a nice streetported 13b NA and the right transmission and rear gear could achieve your goals...

DoritoJesus 09-19-19 03:20 AM

Would the power of an RE or REW help it go faster would it just cause wheelspin ? The RE is just 40-50hp faster than the NA


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