Well I got a good deal on a cam but the dowel pin which would normally turn the opti has been grinded down, my issue I haven't been able to pull pin out.
Now I have a timing set,OPTI for an older spline driven, non vented version. which would let me run this cam no issues in the mechanical sense no my question is on the electrical aspect I looked at both female plug ends that go into engine wiring harness and they are both the same and both have 4 wires, just one wire is a different color, but all in same location. can I just plug and play this opti with its harness into my stock engine harness (95) and the pcm read the outputs from it the same way? or will it not run?
everything obvious leads me to thinking I can run it but, what the signal outsputs from both optis if they are the same or not or do wires have to get changed up in the opti harness?

any help would be greatly appreciated.

 

Best option is to take it to a machine shop and have them replace the pin. The PCM does not care what opti you use, but...you will have to swap timing covers and the opti harness. The plug on the opti end is different between the two.

 

that's the problem the machine shop tried to pull pin for me and it wont come out for nothing, they told me there only option was to heat end of cam up but that will distort cam nose. my only other option is get another cam or just swap back to spline accessories.

I have everything shoebox to go back to the 93-94 setup cover,opti,harness and timing set, I just wanted to know if I connect everything backup if it will start up with the older stuff, but if the pcm doesn't care as long as its getting a signal then no problem.

 

Truthfully you'd be taking a huge step backwards to convert to a non-vented opti. I would just get a new cam.

 

lo whats the step back all I have to do is vent the opti case itself besides that

 

You have to vent the cap by putting holes in it without disrupting the internals and you have to ensure it will seal properly. Considering the cost and the amount of work involved to change the opti I wouldn't want to be drilling on one that works.

If nothing else the shop should be able to drill the old pin out and install a new one. Not the best solution but it should work.

 

no I think I will just go with the part that I have and go the old style, it wont hurt anything anyways. plus I just installed it already oh well

 

It amazes me how people come on here asking for advice, get GOOD SOUND CORRECT advice, but then choose to ignore it.

There's a reason GM phased out the non-vented opti. Congratulations - you just downgraded your car.

 

I suspect he already had made the swap, thought he made a mistake and came here looking to see if someone would tell him he didn't screw up.

Great way to waste everyone's time.

 

Really guys? I made a thread asking if the th electrical part of swapping backwards would work, but instead I get a lot of HUFF about going backwards and that theres a reason why its phased out yad yada yada, I know the obvious. I got the cam with short pin for free im not going to throw out my ideas about going with cam just ause cant use all the parts I already have in order to do so, so to me its not a step back if I have all of the parts to do so, besides its not a ar I am going to stay with forever so if if theopti base doesn't get vented oh well.

but thanks for not answering weather the 2 signals frm both optis thru its own harness will output correct readings to my pcm. THATS ALL.

wasting, was everyones input on how not to do what I did already all I asked about were opti signals gheesh

 

Actually, Shoebox answered the electrical question in the first response.

 

yes then came the IMO ur taking a step back responses lol.

 

I for one appreciate when others who know a little bit more than me(obvious because I am seeking their advice or knowledge) will give me the truth and even their opinion. I will explain part of the benefit for it is for others who read the thread both now and in the future(plus we must realize just because we post a thread it is not ours it belongs to the forum and it is encouraged for others to do searches before posting. I believe you still had a couple options. One being trying another machine shop or two, the other selling the cam and the other opti and funding the purchase of a new or barely used cam.


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or I could just run the cam with short dowel as I got it for FREE, then instlling timing set,cover and opti with harness once again (FREE) for me and jut calling it a day.

my question wasn't if it could be done mechanically I know all of these partscan be swapped and used, the ? was will my car sill start with the older opti (93-94) on a newer wiring harnessed car (95) that's all. didn't askto source parts or fr what parts to use.

JUST ASKING IF THE SAME 4 PIN FEMALE PLUG ON THE 94 SPLINED SETUP WILL PINOUT THE AME WAY AS F I WAS ON A 95 OPTI FEMALE PLUG.

 

Answered in post #2. There is no electrical difference in opti harnesses.