1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Engine block capacitor

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Old 04-24-23, 06:02 PM
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Engine block capacitor

Engine block capacitor located by the oil filter seems to have the purpose of eliminating static from the radio but also affects the oil presure gauge. Looking for a replacement I see only those intended for pre 1984/5 models. Are they the same and would they work.



Old 04-24-23, 07:28 PM
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They are all the same.
Old 04-27-23, 06:32 PM
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Got the replacement today. Smaller with tiny hole for the mounting bolt, shorter pigtail but I can make it work. Marked either 15 or 1.5 micro farad, can't make it out. Original is unmarked or the stenciled value has faded. Car runs the same with it either in or out.



Making progress on reassembly. Sanded off rust and repaint.



Last edited by rsv1rx7; 04-27-23 at 06:34 PM.
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Old 05-01-23, 05:06 PM
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Originally Posted by rsv1rx7
Got the replacement today. Smaller with tiny hole for the mounting bolt, shorter pigtail but I can make it work. Marked either 15 or 1.5 micro farad, can't make it out. Original is unmarked or the stenciled value has faded. Car runs the same with it either in or out.



Making progress on reassembly. Sanded off rust and repaint.

I want to add boxes to my SA but we have that region blocked. I'm sure that entire area is removable or is it welded in ?
Old 05-01-23, 05:20 PM
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Easy remove. Lot's of different screws, bag and mark. Lower screws next to doors may be rusted. Penetrating oil helps. Be careful, I despite being careful twisted one off, center top.
Old 06-13-23, 02:47 PM
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What is your source for purchase of this capacitor....I seem to not be able to find it ??
Old 06-13-23, 03:32 PM
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Originally Posted by Spankdaddy
What is your source for purchase of this capacitor....I seem to not be able to find it ??
New SMP Alternator Capacitor For 1980 Mazda RX-7 | eBay
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