Recommend an ignition setup
05-13-2013, 07:25 PM
#1
Recommend an ignition setup So I just put my trans in and it has brought out a pronounced part throttle miss/stumble. The car has 113k and all I've done is plugs and wires (ngk plugs and parts store wires). So I'm thinking of redoing the entire ignition. Cap, rotor, plugs, wires, coil, and ignition box just for fun. Recommend me some parts that I can start putting together.
This is not a new problem, just more pronounced that I have a 3600 converter in the car.
This is not a new problem, just more pronounced that I have a 3600 converter in the car.
05-13-2013, 07:30 PM
#2
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NGK T55s, New AC Delco wires, MSD coil, and a new AC Delco or Delphi Optispark if you want to change the whole thing. If not, just a cap and rotor.
Skip the MSD boxes, colder plugs, aftermarket wires and all that crap. The stock set up is amazingly capable on a street car.
Skip the MSD boxes, colder plugs, aftermarket wires and all that crap. The stock set up is amazingly capable on a street car.
05-13-2013, 07:41 PM
#3
My car currently has a stock, completely stock, engine. But I also plan on adding spray and the timing retard in an msd box would be really nice to have. But aside from that I don't need it. And my opti doesn't seem to be the issue as I have no codes from this issue as well. And I really should do OTVC wires with the long tubes in it.
05-14-2013, 06:55 PM
#5
NGK T55s, New AC Delco wires, MSD coil, and a new AC Delco or Delphi Optispark if you want to change the whole thing. If not, just a cap and rotor.
Skip the MSD boxes, colder plugs, aftermarket wires and all that crap. The stock set up is amazingly capable on a street car.
Skip the MSD boxes, colder plugs, aftermarket wires and all that crap. The stock set up is amazingly capable on a street car.
05-14-2013, 07:50 PM
#6
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Can you buy factory coils new anymore? I never replace a coil until it fails, but the OP seemed to want to replace everything just to know their condition so I threw a brand out there. Though I don't subscribe to MSD's claims of greatness I have never had a problem with their coils.
05-14-2013, 08:33 PM
#7
Can you buy factory coils new anymore? I never replace a coil until it fails, but the OP seemed to want to replace everything just to know their condition so I threw a brand out there. Though I don't subscribe to MSD's claims of greatness I have never had a problem with their coils.
They should still be available I am sure.
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05-14-2013, 08:56 PM
#8
In truth, my car is officially 20 years old. I've done cheap parts store wires and NGK TR55 back when I put my headers on. That's it. Everything else is factory down to the opti, coil and ICM. The car has a definite miss, and it's quite annoying now that it's more noticeable with the new trans and stall. So yes, I plan on replacing everything just to know their condition.
So far what I've put together
Mallory 685 Box
Summit wiring adapter (MSD is no longer in production for the 92-94)
MSD cap and rotor (my Opti is still functioning just fine)
Magnecor wires
TR55's for now (TR6's when the time comes to spray)
MSD blaster SS coil (I know way too many guys that have had success with it)
Am I off base on these parts as I don't want to be buying things twice when I decide to put a kit on the car.
So far what I've put together
Mallory 685 Box
Summit wiring adapter (MSD is no longer in production for the 92-94)
MSD cap and rotor (my Opti is still functioning just fine)
Magnecor wires
TR55's for now (TR6's when the time comes to spray)
MSD blaster SS coil (I know way too many guys that have had success with it)
Am I off base on these parts as I don't want to be buying things twice when I decide to put a kit on the car.
05-14-2013, 09:14 PM
#9
Off base.
The Mallory is entirely unnecessary and only complicates things with absolutely ZERO benefit on these cars.
MSD cap and rotor won't fix much by itself, especially if your opti is fine (you think...).
Magnecor wires are overpriced. I'd just use something simple like Delco replacements. They work just fine.
TR55s are fine. Just check the gap on them.
"Success" is relative. If you mean it works with no problem sure but when the stock coil works great there's no reason to spend the $$$. Having said that how many stock coils have failed versus the MSD? Stick with stock, IMO.
The Mallory is entirely unnecessary and only complicates things with absolutely ZERO benefit on these cars.
MSD cap and rotor won't fix much by itself, especially if your opti is fine (you think...).
Magnecor wires are overpriced. I'd just use something simple like Delco replacements. They work just fine.
TR55s are fine. Just check the gap on them.
"Success" is relative. If you mean it works with no problem sure but when the stock coil works great there's no reason to spend the $$$. Having said that how many stock coils have failed versus the MSD? Stick with stock, IMO.
05-14-2013, 09:20 PM
#10
Where would you recommend getting cap and rotor then? And what brand? These engines are not far off of the GEN I SBC which still needs caps and rotors. The optical sensor in my car is still functioning. I'm not getting any codes and it doesn't have any issues that would cause me to believe it's bad. I am more than happy just replacing the cap and rotor for now.
05-14-2013, 09:51 PM
#11
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I haven't used the Mallory 685 on an LT1, but I have one on my 61 and love it. It's a great box. If you weren't planning on spray I'd still say don't waste money getting it for your car. I like the MSD cap/rotor for yours since it will add a vent system and help your opt live longer. Don't forget the Loctite for the rotor screws and sealing the cap up tight. Also you may want to tap your water pump weep hole and add a pipe nipple and some hose to drain it away from the opti in case your WP fails. I'm not an OTVC wire fan, but I guess that is personal preference really.
I would definitely grab a meter and ohm out your new wires. I've found bad ones right out of the box. While your at it, ohm your old wires and you may find your miss there.
I'd stick with the stock coil. I've got MSD coils on 2 of my LT1 cars only because they were already on when I got them. I plan on swapping stock coils on whenever I get around to it. LOL I suspect the higher output caused the cap to go bad awhile back. It burnt through from the coil tower (I guess you'd call it) to the brass vent pipe. (MSD opti) The opti itself is still fine after a new cap and has been on for about 30,000 miles.
I would definitely grab a meter and ohm out your new wires. I've found bad ones right out of the box. While your at it, ohm your old wires and you may find your miss there.
I'd stick with the stock coil. I've got MSD coils on 2 of my LT1 cars only because they were already on when I got them. I plan on swapping stock coils on whenever I get around to it. LOL I suspect the higher output caused the cap to go bad awhile back. It burnt through from the coil tower (I guess you'd call it) to the brass vent pipe. (MSD opti) The opti itself is still fine after a new cap and has been on for about 30,000 miles.
05-15-2013, 12:51 AM
#13
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I agree with cheap wires causing problems, I have Duralast ones and I think they may be part of my miss problem too. When I have the money I'm getting some ACDelco wires instead...