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-   -   does the late model tray help support the mains? (https://www.miataturbo.net/engine-performance-56/does-late-model-tray-help-support-mains-92680/)

codrus 04-04-2017 12:51 AM


Originally Posted by Savington (Post 1403282)
AFAIK this is correct. The pan height change is miniscule (we're talking the thickness of the windage tray, so ~.040" or so), not nearly enough to require a change to the dipstick. AFAIK the only unique dipstick is from the 99 CA-spec cars, which got a different dipstick and matching tube.

With a handle that doesn't break like the 49-state ones do, which is kind of nice. :)

Why is the CA one different, anyway? Is it just so that the tube can clear the pre-cat? I wonder why they didn't just put that tube on all the cars?

--Ian

Savington 04-04-2017 01:45 AM

My money is on the R&D guys melting a standard dipstick during testing, going "Oh, shit", and putting together the metal one very quickly.

oreo 04-04-2017 11:50 AM

hmm, I apologize for the misdirection. I remembered this wrong.

As revealed above, the models with significant differences in stick are 94-97 BPE8 to 99-05 BP4W.

And of course California, who always want to be different.

bahurd 04-04-2017 12:10 PM


Originally Posted by oreo (Post 1403389)
hmm, I apologize for the misdirection. I remembered this wrong.

As revealed above, the models with significant differences in stick are 94-97 BPE8 to 99-05 BP4W.

And of course California, who always want to be different.

The California dip stick is discontinued anyway. You can still get the tube though.

(CA) Dip stick: BP4Y-10-450A
(CA) Tube: BP4Y-10-440A


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