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

When did they start the "push in clutch to start'?

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Old Nov 3, 2007 | 02:29 AM
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When did they start the "push in clutch to start'?

OK I have an 87 T2 (aug 86 mfg date) and I have never needed to push the clutch in to start it. Now my understanding is that the early 87s don't need to push it in but the latter 87s and after have it. So anybody know the VIN number rang that was the cutoff?

Don't the latter 87s have different impedence injectors? Maybe they did both at once?

stupid question I know but im curious sooooooooooooooo
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Old Nov 3, 2007 | 03:04 AM
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Uhhhmmmm..... I think it's funny that people think that just because it's a rotary means that special rules apply! On ANY car that has a manual transmission you have to push the clutch in to start the car. ON ANY CAR WITH A MANUAL TRANSMISSION. Unless it is some exotic with a push button starter or F1 shifter paddles! Your conception that the early 87's don't have to push the clutch in to start is misled, unless I am the ignorant one! Your car has probably just had the clutch starter switch electrically circumnavigated to render it unecessary. Don't feel special. Mine is going out too.
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Old Nov 3, 2007 | 03:24 AM
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texfcturboii is right

i've driven many manual cars, from my rx, my friends eclipse, other friends civic si, other friends mazda6, they all need the clutch pressed down

its for safety obviously, you dont wanna be able to start the car in gear
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Old Nov 3, 2007 | 03:36 AM
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Neutral safety switch can stop it form starting in gear. Also, many cars dont require you to push the clutch in, MK1 volkswagens for one.

It's just because.
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Old Nov 3, 2007 | 04:25 AM
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None of the Euro spec FC's needs push clutch to start.
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Old Nov 3, 2007 | 04:30 AM
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Originally Posted by hIGGI
None of the Euro spec FC's needs push clutch to start.
I dont know about that, I was under the dash yesterday and noticed a switch attached to the clutch bracket. If you want to call it that. Though mine is disconnected.
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Old Nov 3, 2007 | 04:33 AM
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well this guy is in seattle anyway. i highly doubt it's a eurospec, regardless of the discrepancies. All A spec manuals must have a clutch starter switch.
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Old Nov 3, 2007 | 05:05 AM
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Originally Posted by TehMonkay
Neutral safety switch can stop it form starting in gear. Also, many cars dont require you to push the clutch in, MK1 volkswagens for one.

It's just because.
i guess original owner installed that. =D 87 TII no need to push in clutch, but i do it anyways for safety
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Old Nov 3, 2007 | 05:14 AM
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Clutch INTERLOCK switch is the one that would keep a starter from working if the clutch isn't depressed.

There are two switches on the clutch for MOST USA cars. Not all. Some early 86/87 do not have this feature (creature in my opinion). It was made for clueless people who didn't have enough sense to know if the car was in gear or not in gear to the detrement of NORMAL people who have situational awareness.

DRL.......INTERLOCK switch. Made for the brain dead.
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Old Nov 3, 2007 | 05:57 AM
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Looking at the parts fische I'd say chassis number -525576 and on. Fuel injector change was chassis -550168 according to the parts fische.


That's MY reading of the parts fische. Opinions may vary on this.

The repair manual calls it a INTERLOCK switch but the parts fische calls it a *Switch, clutch cut*.
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Old Nov 3, 2007 | 09:47 AM
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If your car has a manual transmission and cruise control, it has to have a clutch switch. Without a switch, if you depressed the clutch pedal with the cruise on the engine would just bang off the rev limiter.
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Old Nov 3, 2007 | 11:26 AM
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HA HA my 2002 Saturn SL starts in Neutral without pushing the clutch. If its in gear it has to have the clutch in to start; and My 87 RX you have to press the clutch to start it... It says built 09/86... So its an early 87
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Old Nov 3, 2007 | 12:11 PM
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With my 83 gsl you never had to depress the clutch to start it
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Old Nov 3, 2007 | 12:15 PM
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My 1967 VW Squareback doesnt need the clutch depressed!
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Old Nov 3, 2007 | 12:20 PM
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Originally Posted by hIGGI
None of the Euro spec FC's needs push clutch to start.
90% of all euro-spec cars in general dont have to press the clutch...
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Old Nov 3, 2007 | 01:16 PM
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Originally Posted by YaNi
If your car has a manual transmission and cruise control, it has to have a clutch switch. Without a switch, if you depressed the clutch pedal with the cruise on the engine would just bang off the rev limiter.
Your not catching on. There are TWO clutch switches. One has a dual function of killing cruise by inputting a 12vdc signal to the CCU and it also sends a signal to the ECU letting it know the clutch has been depressed.

The other clutch switch is the clutch INTERLOCK switch and has one function and that is to interrupt the power to the starter solenoid from the ignition key if the key is HELD to start.
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Old Nov 3, 2007 | 01:20 PM
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Originally Posted by HAILERS
Looking at the parts fische I'd say chassis number -525576 and on. Fuel injector change was chassis -550168 according to the parts fische.


That's MY reading of the parts fische. Opinions may vary on this.

The repair manual calls it a INTERLOCK switch but the parts fische calls it a *Switch, clutch cut*.
I congratulate you. Out of all the replys, you are the only one who actually answered the OPs question.

The rest is all the usual BS you get when people don't understand the OPs post.
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Old Nov 3, 2007 | 01:49 PM
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Damnit hailers you allways seem to have the answers, or at least know where to look.

What it really is amazing how many people jumped on the "all clutch cars have a switch" thing. First because it is wrong, second because it kind of implied that I was an idiot. I know I have one, I know it is working, I was fairly sure that some RXs didn't have it lock out the starter. That was all i was asking was what and why.
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Old Nov 3, 2007 | 03:07 PM
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I looked in the Parts Fische for series four. Plus there have been several threads on this over the last few years.

Note, I'm talking only about USA versions FC33''s.
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Old Nov 3, 2007 | 03:15 PM
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https://www.rx7club.com/forum/showth...ghlight=CLUTCH

Here's a thread from a few months ago.
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Old Nov 3, 2007 | 04:31 PM
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i have never had to push in the clutch in my TII. it's an 87' and i have seen switches attached to the pedal but i can still start my car.
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Old Nov 3, 2007 | 05:52 PM
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Originally Posted by pistones
i have never had to push in the clutch in my TII. it's an 87' and i have seen switches attached to the pedal but i can still start my car.
So???? Irv in the thread I attached had no interlock sw on his 87 turboii and I don't have on on .........I forget which car. I disabled it on the two that had it.

Seems we've established that not ALL RX-7 have the switch. It's been determined in several threads over the years. The one I posted by Keith/Irv is at least three/four yeaars old. I promise to never answer this interlock switch type thread again. Been there, done that too many times.
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Old Nov 3, 2007 | 06:01 PM
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Originally Posted by texFCturboII
Uhhhmmmm..... I think it's funny that people think that just because it's a rotary means that special rules apply! On ANY car that has a manual transmission you have to push the clutch in to start the car. ON ANY CAR WITH A MANUAL TRANSMISSION.
I think it's funny you don't have nearly as much experience with cars as you think you have...

The clutch-starter interlock is a safety feature to protect stupid people from themselves and others. It may be common in US cars but it's not as common elsewhere. Japanese FC's don't have it, my wife's 94 626 doesn't have it, and numerous other 90's car I've driven didn't have it either.
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Old Nov 3, 2007 | 06:16 PM
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Originally Posted by NZConvertible;7479548a [I
safety[/I] feature to protect stupid people from themselves and others. It may be common in US cars but it's not as common elsewhere. Japanese FC's don't have it, my wife's 94 626 doesn't have it, and numerous other 90's car I've driven didn't have it either.
so you're saying that Americans are stupid
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Old Nov 3, 2007 | 06:59 PM
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Americans arent necessarily stupid.

It is just easier to sue companies frivolously and win money that dosnt belong to you in the USA.

Thus companies have to put in all this extra crap into thier products to make them idiot prof to avoid lawsuits.

Most americans think two things are written in the united states constitution which are not.

1. A right to a life without risk and the need to ******* pay attention to what you are doing and what is going on around you.

2. A right to not be offended.

I am born and will always live in america but this is a simple fact about the majority of americans, and i ******* hate it.


When i was into rock crawling we always installed clutch start cancel switches to bypass this system. Many toyotas came with this from the factory.

Push in the switch and you can roll the vehicle via the starter. In the case of rock crawling it was VERY important to be able to do this...because you could actually start the engine while in gear. I could start my truck in 3rd gear low range while in gear with the clutch out.
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