LT1-LT4 Modifications 1993-97 Gen II Small Block V8

need help on msd opti

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Old Dec 22, 2009 | 03:48 PM
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Default need help on msd opti

ok so i fucked up when removing the old opti. i forgot to mark the position of the rotor so my question is whats the easiest way to find the correct position for optimal timing.
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Old Dec 22, 2009 | 04:14 PM
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Is it possible to give the year of the car you are working on, so people know how to answer you correctly?
You didn't screw up. Just need the type of opti to provide the correct instructions.
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Old Dec 22, 2009 | 06:08 PM
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Im gonna take a stab at it but, im assuming its a black 93 Camaro z28
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Old Dec 22, 2009 | 06:27 PM
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did you actually take it apart or just remove it from the car?


you didnt mess up at all if you just took it off the car.

93-94 Opti. Just line up the key and it will be in perfect time




95-97 opti




if you took the cap apart

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Old Dec 22, 2009 | 06:54 PM
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Im gonna take a stab at it but, im assuming its a black 93 Camaro z28
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96 Formula WS6#555, LE2, Speedinc, 355, T56
LE2 H/C/I, Speedinc tuned, LPP, UMI, BMR, Dana S60, Street twin, blah blah blah.......

haha lmao
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Old Dec 22, 2009 | 07:08 PM
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Originally Posted by AChotrod
Im gonna take a stab at it but, im assuming its a black 93 Camaro z28
Originally Posted by getsum27
haha lmao
Hilarious. Do you know how many times a person says "oh, I got rid of that car years ago" or "oh, it's not my car. I am working on my buddy's car". Ever think of that? You cannot rely on a screen name. If people want help, they should give the necessary info.
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Old Dec 22, 2009 | 07:19 PM
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I was JK!! But hes only got 3 posts and just joined.
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Old Dec 22, 2009 | 07:37 PM
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its ok ACHOTROD i thought it was funny
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Old Dec 22, 2009 | 08:51 PM
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Originally Posted by AChotrod
I was JK!! But hes only got 3 posts and just joined.
That's why I was poking him for car info.
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Old Dec 22, 2009 | 09:07 PM
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Tip for 93/94 cars.
The "keyed" shaft will fit in wrong easily if you've never done one before.
Insert it correctly a few times with the opti off, remember what it feels like, it pops right in.
If you have to apply pressure, you're doing it wrong, pull it out and try again.

I've seen far too many water pumps have to be pulled back off because someone didn't do it right.


As for marking the rotor position, don't worry about it.
Even if you took it all apart, it will only go back together one way, putting it back into proper alignment.
I've done quite a few opti / cap&rotor (MSD or otherwise) swaps for people.
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Old Dec 22, 2009 | 09:13 PM
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Originally Posted by James Montigny
The shaft will fit in wrong easily if you've never done it before.
Insert it correctly a few times, remember what it feels like, it pops right in.
If you have to apply pressure, you're doing it wrong, pull it out and try again.

I've done quite a few swaps with people.
James watch your mouth this is a family site

Last edited by AChotrod; Dec 22, 2009 at 10:03 PM.
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Old Dec 22, 2009 | 09:55 PM
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Originally Posted by getsum27
haha lmao
Yep
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Old Dec 22, 2009 | 10:34 PM
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Originally Posted by AChotrod
Im gonna take a stab at it but, im assuming its a black 93 Camaro z28
how'd you guess
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Old Dec 22, 2009 | 10:42 PM
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ok i didnt take apart the msd distributor but when i put it on the car it would slide easily into multiple places so ive been pretty much guessing and testing. Today i got it running but it has a hard time starting and idling. i have a heads and a mild cam, would that cause it to have a hard time starting?
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Old Dec 22, 2009 | 10:47 PM
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[QUOTE=Badazz 97 TA;12655061]did you actually take it apart or just remove it from the car?


you didnt mess up at all if you just took it off the car.

93-94 Opti. Just line up the key and it will be in perfect time

On the MSD opti i could not for the life of me find the index key, i dont know if im just retarded or its actually not there.
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Old Dec 22, 2009 | 10:48 PM
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Take it easy on SHBOX guy's.... All we need is to **** off one of the few remaining LT gods...
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Old Dec 22, 2009 | 11:07 PM
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Originally Posted by AChotrod
James watch your mouth this is a family site



Originally Posted by black93camaro
r but when i put it on the car it would slide easily into multiple places
Take the shaft out of the opti, plop in back in a few times so you know how it feels when it's clocked correctly.
Once you feel it, you'll know what I mean.

I've also had good luck twisting the shaft until the opti is at a known angle (IE: TDC or BDC)
then removing the shaft and installing it into the cam. You can then use the key
as a reference to orient the opti then twist it back into position so you can bolt it up.

If it's idling like crap or backfiring, the opti is either in wrong or the plug wires are crossed. (check 6 and 8)

Last edited by James Montigny; Dec 22, 2009 at 11:34 PM.
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Old Dec 23, 2009 | 09:15 AM
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[QUOTE=black93camaro;12656242]
Originally Posted by Badazz 97 TA
did you actually take it apart or just remove it from the car?


you didnt mess up at all if you just took it off the car.

93-94 Opti. Just line up the key and it will be in perfect time

On the MSD opti i could not for the life of me find the index key, i dont know if im just retarded or its actually not there.
The instructions show a picture of what to look for.

http://www.msdignition.com/instructi...pdf?terms=8381
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Old Dec 23, 2009 | 10:00 AM
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I just spun the rotor til the whole opti seated when I replaced mine lol

Couldn't fit my fat head up in there to look for the key way on the cam.
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Old Dec 23, 2009 | 10:00 AM
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Double post...
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