oil pump questions

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Apr 7, 2006 | 07:53 AM

Rotary'14

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oil pump questions

Will the oil pump off a 93-95 rx7 fit and work in a 85 GSL-SE 13B stock engine? Which oil pumps are interchangeable?

Thanks
-Rob

Apr 7, 2006 | 09:37 AM

13btnos

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From: VISTA

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Originally Posted by Rotary'14

Will the oil pump off a 93-95 rx7 fit and work in a 85 GSL-SE 13B stock engine? Which oil pumps are interchangeable?

Thanks
-Rob

No it won't! The GSLSE oil pump is 17.5mm and is the largest volume pump for those early year rotarys. The competion oil pump is also 17.5mm only difference is that the gears are hardened. The 86 and up motors oil pumps have a totally different bolt pattern and will not bolt up.