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-   -   Crank question (https://www.miataturbo.net/engine-performance-56/crank-question-109905/)

wntstart Oct 21, 2024 10:26 PM

Crank question
 
I have a 96 1.8L and the front of the crank where the key way is has been broke at some point. Half of it is chipped away so I need a new crank before I move forward with my turbo build. I have forged pistons and H beam rods to go in it. My question is if anyone has used the Mahura 87mm stroker crank and if it’s worth the upgrade. I know they put effort in that part of the crank to make it stronger which is a huge bonus to never have to worry about that. Is it worth the 1,300 or should I just try and find a decent used crank?

sixshooter Oct 22, 2024 07:04 AM

Unless you are at the pointy end of a race group, I wouldn't bother. For less money you could turn up the boost one PSI and make the same difference in power.

wntstart Oct 22, 2024 11:19 AM


Originally Posted by sixshooter (Post 1657312)
Unless you are at the pointy end of a race group, I wouldn't bother. For less money you could turn up the boost one PSI and make the same difference in power.

awesome that’s what’s I was wondering! I’ll put that extra money towards something else. Thank you!

LeoNA Oct 22, 2024 05:52 PM

The Marhua crank is cast steel and the OEM is forged. Sometimes the keyway can be welded and re-machined.


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