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-   Suspension, Brakes, Drivetrain (https://www.miataturbo.net/suspension-brakes-drivetrain-49/)
-   -   My Six-speed Hates Me (https://www.miataturbo.net/suspension-brakes-drivetrain-49/my-six-speed-hates-me-104020/)

DNMakinson 07-11-2022 07:39 PM

Motul Gear 300 75W-90 gets a lot of love these days.

engineered2win 07-11-2022 09:29 PM


Originally Posted by poormxdad (Post 1624595)
Do you have hood vents?

Thanks much,

No.
I've considered venting, but coolant temps are not an issue at my power level with the Supermiata rad and reroute. And talking with my aero buddy there is a drag penalty associated with the hood vents, which we think outweighs the marginal reduction in lift and the increased heat exchanger air flow which isn't needed.

If it drops engine bay temps significantly, then it may help trans temp slightly. One thing a lot of mustang road race guys run is a trans air scoop. You could use the stock subframe brace to mount a scoop to blow air at the trans.
https://cimg6.ibsrv.net/gimg/www.mia...afbff0dbfd.jpg

poormxdad 07-12-2022 05:08 PM


Originally Posted by engineered2win (Post 1624603)
No.

The reason I asked is I had read here, IIRC, that hood vents potentially reduce the airflow across the transmission.

poormxdad 07-12-2022 05:11 PM


Originally Posted by irollgen4s (Post 1624564)
To be fair, once I used virtual dyno i realized I ramping in power a lot harder than i though which explains all the other broken gearboxes. I have since dialed it in softer on the bottom and they last much longer at higher WHP levels.

Sir,

Could you explain this in a little more detail? I'm going to assume you're turbo...

Thanks,

Padlock 07-13-2022 03:05 PM


Originally Posted by poormxdad (Post 1624598)
GR?

https://www.gracingshifters.com/


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