Excuse my noobness Injector Q
#2
Banned. I got OWNED!!!
there is none. refer to my injector chart should be posted somewhere int he archives or in a couple of pretty recent threads so search for my username and injector and youll find lots of info. No rx7s came with 2 different injectors(primary vs. secondary) stock.
#3
Banned. I got OWNED!!!
**** it here it is again...
Mazda RX-7(Gen 1 and 2) Fuel injector identification guide
Note that some injectors carry the same part number as others but plug styles and resistances can vary. Low impedance refers to 2-3 ohms, high impedance refers to 12-13 ohms.
Year type impedance plug style plug notch position flow rating color part number
84-85 13B NT low square center 680cc orange 195500-0900
86-87 13B NT low square center 460cc red 195500-1350
86-87 13B T low square center 550cc tan 195500-1370
88 13B NT high square offset 460cc purple 195500-1350
88 13b T high square offset 550cc purple 195500-1370
89-91 13B NT high oval center 460cc red 195500-2010
89-91 13B T high oval center 550cc purple 195500-2020
Mazda RX-7(Gen 1 and 2) Fuel injector identification guide
Note that some injectors carry the same part number as others but plug styles and resistances can vary. Low impedance refers to 2-3 ohms, high impedance refers to 12-13 ohms.
Year type impedance plug style plug notch position flow rating color part number
84-85 13B NT low square center 680cc orange 195500-0900
86-87 13B NT low square center 460cc red 195500-1350
86-87 13B T low square center 550cc tan 195500-1370
88 13B NT high square offset 460cc purple 195500-1350
88 13b T high square offset 550cc purple 195500-1370
89-91 13B NT high oval center 460cc red 195500-2010
89-91 13B T high oval center 550cc purple 195500-2020
#4
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http://cgi.ebay.com/ebaymotors/ws/eB...tem=1866342025
so this guy is wrong I presume?
Also I though that the purple cap on the 1370's ment they where low imp? I'm guessing you're 100% sure on that bit?
so this guy is wrong I presume?
Also I though that the purple cap on the 1370's ment they where low imp? I'm guessing you're 100% sure on that bit?
#5
Banned. I got OWNED!!!
so this guy is wrong I presume?
I'm guessing you're 100% sure on that bit
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#9
Banned. I got OWNED!!!
The chart was compiled by parting out year and model cars and noting the injectors that came in it. The only way to verify, or dispute that information, is do part out one of each of the 7 models listed. Go right ahead
BTW FD= 3rd gen, fc=2gen, fb/sa=1gen
BTW FD= 3rd gen, fc=2gen, fb/sa=1gen
#10
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Reasion I ask is because I keep finding varations from the chart like right now a guy is selling 550's on ebay part number 1370 and they are red top with offset. Well according to the chart they should be purple.
Also I have 6 Low IMP injectors which 4 have a purple top and square with center grove and the other 2 are tan with square top and center grove. I tested them with a Ohm meter and got 4.27 I believe? on both the tan and the purple top. I then tested a set of 550 High imp with red tops and they tested 14.something ohms so I know the others are low impedance.
Also I have 6 Low IMP injectors which 4 have a purple top and square with center grove and the other 2 are tan with square top and center grove. I tested them with a Ohm meter and got 4.27 I believe? on both the tan and the purple top. I then tested a set of 550 High imp with red tops and they tested 14.something ohms so I know the others are low impedance.
#11
Former Moderator. RIP Icemark.
Some of the aftermarket injectors have different colors, as well as purple sometimes fades to pinkish, which is sometimes confused with red.
But Kevin is right on his chart for the FC above.
5 stars!
But Kevin is right on his chart for the FC above.
5 stars!
#12
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Originally posted by hypntyz7
IM sure on all of it. I have taken apart each of these cars listed above, one by one, noted the style and number of injector, and compiled that list.
IM sure on all of it. I have taken apart each of these cars listed above, one by one, noted the style and number of injector, and compiled that list.
#13
195500-1356
what are these??
any way to tell if it is low or high other than color? are all 87 injectors low impedence?
i read in a few places that some of the later 87 models had high impedence injectors.
what are these??
any way to tell if it is low or high other than color? are all 87 injectors low impedence?
i read in a few places that some of the later 87 models had high impedence injectors.
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Well I have 2 4 purple injectors for sure that came form a T2 that are low imp tested with a DMM the other night and they are have the same part number as the Tan 550's
Oh well what ever thanks for the info anyhow very very useful....
Apreciate all the help.. BTW if anyone has spare 550 or 680 CC injectors lmk I need a set!!
I really need 2 high imp t2 red top injectors..
Oh well what ever thanks for the info anyhow very very useful....
Apreciate all the help.. BTW if anyone has spare 550 or 680 CC injectors lmk I need a set!!
I really need 2 high imp t2 red top injectors..
#16
Banned. I got OWNED!!!
Well I have 2 4 purple injectors for sure that came form a T2 that are low imp tested with a DMM the other night and they are have the same part number as the Tan 550's
Note that some injectors carry the same part number as others but plug styles and resistances can vary
86-87 13B T low square center 550cc tan 195500-1370
88 13b T high square offset 550cc purple 195500-1370
#17
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I also have both tan and purple 1370's that all test ~2.4 ohms. Same measured resistance value with 6 of the tan, 4 of the purple, and 4 SE injectors. All of these have the same "square" center notch.
R
R
#19
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Originally posted by hypntyz7
Well the definite rule of thumb is the notch position and DMM reading, but it seems ND liked to play with colors a lot
Well the definite rule of thumb is the notch position and DMM reading, but it seems ND liked to play with colors a lot
Unless somehow purple can EVENTUALLY fade away to tan...Tan is awfully pale, you know.
#20
While we are on the subject of injectors, today I went to put bigger secondaries in and I noticed on the primaries there were gromets around the top of the hole on the block. Then I looked at the secondaries and saw that I didn't have any on those injectors. Does anyone know if they should also be on the secondaries?
thanks
thanks
#21
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Sir Ted writes that the purple tops will turn tan/brown with heat and age.
http://fc3s-pro.com/TECH/MODS/FUEL/inj.htm
http://fc3s-pro.com/TECH/MODS/FUEL/inj.htm
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