99 vs 01 short block differences
Trying to brainstorm the differences between a 99 short block and an 01. Mainly concerned with the sensor side of things, but everything is relevant. I'd like to get some confirmation on these few things:
-higher compression, 9.5 vs 10 -''stronger'' crank, balanced better, lighter, or different casting I'm not sure. Mostly a rumor I've read on forums, lol. -different head gasket design, I believe it was mainly a coolant flow redesign. I think the oil passage is unchanged. -oil pressure sensor is the same AFAIK. -crank position sensor and trigger wheel are the same AFAIK. That's about all I can think of right now.... |
-higher comp
-01+ has MBSP -01+ has thicker VVT oil pump That's it AFAIK. |
Yup, that's it. As for the sensors, everything bolts up just fine, no issues.
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Awesome, thanks guys.
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Originally Posted by 18psi
(Post 958424)
Yup, that's it. As for the sensors, everything bolts up just fine, no issues.
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coils as in ignition? those don't mount on the block lol
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Originally Posted by Savington
(Post 958420)
-higher comp
-01+ has MBSP -01+ has thicker VVT oil pump That's it AFAIK. |
Originally Posted by EO2K
(Post 958574)
MBSP will mean there are differences in the oil pan, windage tray, main caps and pump pickup, or am I way off on this?
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Yeah, don't quote me on that. In for answer as well.
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No idea on that either. I just bolted the whole bottom end in and went back to my hookers and blow
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Originally Posted by EO2K
(Post 958574)
MBSP will mean there are differences in the oil pan, windage tray, main caps and pump pickup, or am I way off on this?
MBSP is useless, BTW. Not strong enough to hold the motor together, and won't clear ARP studs without significant machining. You're better off just using a '99 pan/tray. |
Originally Posted by EO2K
(Post 958574)
MBSP will mean there are differences in the oil pan, windage tray, main caps and pump pickup, or am I way off on this?
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4 Attachment(s)
Originally Posted by Savington
(Post 958610)
Oil pan matches to MBSP, yes. Windage tray is part of the MBSP. Caps are the same. Pump pickup is the same.
MBSP is useless, BTW. Not strong enough to hold the motor together, and won't clear ARP studs without significant machining. You're better off just using a '99 pan/tray. https://www.miataturbo.net/attachmen...ine=1355360426 |
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