Compatible parts?
12-16-18, 12:26 PM
#1
Rotary Noob
Thread Starter
Compatible parts?
Hello all,
I've been interested in putting together a list of parts from other Mazda vehicles that are compatible with the 1st gen Rx7. Anything that is a direct fit or requires simple modifications. My end goal is publish the list so that everyone can save themselves the frustration of trying to find discontinued or hard to find parts.
I've been interested in putting together a list of parts from other Mazda vehicles that are compatible with the 1st gen Rx7. Anything that is a direct fit or requires simple modifications. My end goal is publish the list so that everyone can save themselves the frustration of trying to find discontinued or hard to find parts.
12-16-18, 12:31 PM
#2
Old [Sch|F]ool
'81-85 calipers (not hangers) are interchangable with FC single-piston. The pin is also different between the two, and I can't remember if you use the FB or FC pin.
12-20-18, 01:51 PM
#5
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idler arm bushings are the same as a Datsun 1200
12-22-18, 03:33 PM
#6
Hello,,
Could You explain to me why I would want to make this switch? is it for performance? better cooling? Or, are You just saying what parts will swap with different models?
Thx, Sam
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12-23-18, 08:12 AM
#8
Old [Sch|F]ool
How do you use the OE temp switch in an S4 housing?
The switch is strictly for the choke and emissions controls, BTW. The sender for the gauge is under the oil filter.
Seems to me that this is beyond the scope of the post. The housing is not directly compatible. I mean you could also say that an LS3 from a Camaro is a bolt in if you make your own mounts and use a transmission from an LS1 car and do a little wiring and have a driveshaft and exhaust made.
IIRC the interior door handle cups are a generic Mazda part that you can find in B2000s and 323s.
The biggest problem is that the 1st gen was really the last of the 1970s cars. It's a warmed over RX-3 with a wider, longer, swoopier body. Anything compatible with it is mostly from earlier cars. The only things that are really forward-compatible are some minor Miata things like the ring and pinion in 1.8 cars, and the cupholder from an NA will fit in the same cubbyhole that the SA's gigantic ashtray did.
The switch is strictly for the choke and emissions controls, BTW. The sender for the gauge is under the oil filter.
Seems to me that this is beyond the scope of the post. The housing is not directly compatible. I mean you could also say that an LS3 from a Camaro is a bolt in if you make your own mounts and use a transmission from an LS1 car and do a little wiring and have a driveshaft and exhaust made.
IIRC the interior door handle cups are a generic Mazda part that you can find in B2000s and 323s.
The biggest problem is that the 1st gen was really the last of the 1970s cars. It's a warmed over RX-3 with a wider, longer, swoopier body. Anything compatible with it is mostly from earlier cars. The only things that are really forward-compatible are some minor Miata things like the ring and pinion in 1.8 cars, and the cupholder from an NA will fit in the same cubbyhole that the SA's gigantic ashtray did.
Last edited by peejay; 12-23-18 at 08:16 AM.
12-23-18, 09:52 AM
#9
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on that note, the pinion bearings are the same as a 94-2005 miata and 95-2003 Sportage front diff
12-23-18, 09:53 AM
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the little rubber stopper on the clutch and brake pedal fits every Mazda from 1970-2003ish. B001-43-028 i think
12-23-18, 09:56 AM
#11
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The biggest problem is that the 1st gen was really the last of the 1970s cars. It's a warmed over RX-3 with a wider, longer, swoopier body. Anything compatible with it is mostly from earlier cars. The only things that are really forward-compatible are some minor Miata things like the ring and pinion in 1.8 cars, and the cupholder from an NA will fit in the same cubbyhole that the SA's gigantic ashtray did.
12-23-18, 10:38 AM
#12
How do you use the OE temp switch in an S4 housing?
The switch is strictly for the choke and emissions controls, BTW. The sender for the gauge is under the oil filter.
Seems to me that this is beyond the scope of the post. The housing is not directly compatible. I mean you could also say that an LS3 from a Camaro is a bolt in if you make your own mounts and use a transmission from an LS1 car and do a little wiring and have a driveshaft and exhaust made.
The switch is strictly for the choke and emissions controls, BTW. The sender for the gauge is under the oil filter.
Seems to me that this is beyond the scope of the post. The housing is not directly compatible. I mean you could also say that an LS3 from a Camaro is a bolt in if you make your own mounts and use a transmission from an LS1 car and do a little wiring and have a driveshaft and exhaust made.
I would equate it to a vendor that makes direct fit parts like T3. The only difference is that T3 is using their labor to make the part where as we as hobbyist are using ours.
Last edited by KansasCityREPU; 12-23-18 at 10:41 AM.
01-06-19, 08:22 PM
#17
Old [Sch|F]ool
The SA/FB air pump also does not mate up with the FC water pump housing. You also will have fun trying to make the alternator bracket work and clear the distributor.
I was amused by how Mazda had Mitsubishi electrics, Subaru had Hitachi electrics, but the Subaru alternator was the exact same form factor as the Mazda part, same wiring connectors too. The only difference was the Mazda alternator has a 10mm threaded pivot bolt and the Subaru is 8mm.
I didn't do it as an upgrade, I did it because my 80's alternator died and I had the Subaru alternator sitting in the garage, it fit and it worked and I didn't have to spend money.
Some 80s Subarus had dual sheave alternator pullies, too.
01-06-19, 08:25 PM
#18
Old [Sch|F]ool
In 2010 or so, I put an FC front subframe in my car. I cut and lengthened the steering shaft to go from the FC rack to the '84-85 FB power steering column.
Today I found out that an NA Miata's steering shaft is almost exactly the same length as the one that I'd fabricated. Yes, both ends are the same spline, too.
Today I found out that an NA Miata's steering shaft is almost exactly the same length as the one that I'd fabricated. Yes, both ends are the same spline, too.
03-12-19, 08:46 AM
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