2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Spark Plugs for 13B in 1988 FC

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Old Nov 12, 2007 | 03:43 PM
  #1  
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Spark Plugs for 13B in 1988 FC

OK, I have looked till my eyes are blurring and did not find what I needed.
Posting this to get everyone's suggestions on Spark Plug replacment options?
What all kinds of plugs work best?
Do you need different no.'s for Lead vs. Trail?

Looking to buy a new set, and need everyones feedback on which ones work best?

FSM says NGK SD10A and SD11A. I cannot seem to reference these to current NGK p/n's.

I am sure somewhere someone has already posted this, but my time is limited.

Suggestions, observations??
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Old Nov 12, 2007 | 04:07 PM
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NGK works great and thats what alot of people use. Any parts store should be able to get the spark plugs for you and be able get the right part number. Should be around $5.50 per at your local parts store.


It should be two BUR7EQ and two BUR9EQ.
http://www.mazdatrix.com/ign-2.htm
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Old Nov 12, 2007 | 06:45 PM
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Ngk bur7eq and bur9eq are the norm for rotary
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Old Nov 12, 2007 | 07:34 PM
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Yes, one is for leading, one is for trailing. Two 7's for one, two 9's for the other. I forget which is leading and which is trailing, but the auto store will probably tell you.
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Old Nov 12, 2007 | 07:51 PM
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NGK BUR7EQ - Leading, two required.

NGK BUR9EQ - Trailing, two required.
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Old Nov 13, 2007 | 07:35 AM
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Thanks guys. Got them last night at local parts house. They even had them in stock!!!!!!
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Old Nov 13, 2007 | 08:10 AM
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Originally Posted by BigDaddyJC
Thanks guys. Got them last night at local parts house. They even had them in stock!!!!!!
they usually do
every autoparts store i've ever stopped at always has the NGK's
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Old Nov 13, 2007 | 09:46 AM
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are there high prefomence ones that you could use or those are just the best for rotarys?
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Old Nov 13, 2007 | 11:08 AM
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BR10ET's
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Old Nov 21, 2007 | 12:00 PM
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whats the numbers for trail and lead on BR10ET's?
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Old Nov 21, 2007 | 01:03 PM
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Originally Posted by 95nracer
NGK works great and thats what alot of people use. Any parts store should be able to get the spark plugs for you and be able get the right part number. Should be around $5.50 per at your local parts store.


It should be two BUR7EQ and two BUR9EQ.
http://www.mazdatrix.com/ign-2.htm
I went w/ 8's & 6's, simply because of that chart... I do alot more commuting, than aggressive driving... Aside from a leaky coolant hose, I've had NO problems staying nice & cool.
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