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

Which Opti???

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Old 06-02-2011, 08:57 PM
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Default Which Opti???

Looking to replace my opti with either a chandler or Jegs came out with one or maybe summit. Anyone using any of these and thought on these brands?? I aint looking to spend big money on a MSD Billet. What do you guys think. This is for a stroke 398 motor
Old 06-02-2011, 09:05 PM
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from my hours of reading i would say in general, most people preffer to stay with the GM unit. locktite the rotor screws, silicon the cap, and do your best to keep it clean and dry and that should be your most reliable option
Old 06-02-2011, 09:46 PM
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I bought an ac delco from summit last week.
Old 06-02-2011, 11:25 PM
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I run Chandler opti with no problems but yours is not stock and I dont know how high you plan on revving that 398
Old 06-03-2011, 12:47 AM
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If you are taking it near 7k I don't think any opti will hold up for too long. I would look into a LTCC kit or better yet efi connection 24x. With the LTCC you will keep the opti, but you can do a few mods to it so that it will hold up better. I will be installing the LTCC ignition on my car soon with a modified MSD billet opti.
Old 06-03-2011, 06:48 AM
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Originally Posted by henry172
If you are taking it near 7k I don't think any opti will hold up for too long. I would look into a LTCC kit or better yet efi connection 24x. With the LTCC you will keep the opti, but you can do a few mods to it so that it will hold up better. I will be installing the LTCC ignition on my car soon with a modified MSD billet opti.
I was debating between Dynaspark,MSD,and the GM OPti. I went ahead and ordered the EFI24X conversion. I think it will be good in the long run.
Old 06-06-2011, 06:08 PM
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yea im reving at 7k, I was gonna do the LTCC but have plans to sell the car. I might just do a summit or chandler, I wanna get it up and running to put to sell. Cant sell a car just sitting lol thanks guys
Old 06-06-2011, 06:26 PM
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Toss a summit opti on it and do not drive it hard; should be sold before opti falls apart.
Old 06-06-2011, 06:38 PM
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Ton of research.... Chandler is supposed to be real good, but the GM has the best cam position sensor in it. If your not going to move to the LTCC one day, then I would go Chandler and save some cash. Either way LOC-TITE THE SET SCREWS!!!! I just found out the hard way that they can back out after less than 1 hour of use. There is nothing like tearing down a brand new build to replace an opti because the screws fell out and trashed the reluctor ring!
Old 06-06-2011, 07:23 PM
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I'm currently running a Chandler opti. It's only been on the car for about 2000 miles, but it's still working perfectly. So, no complaints on Chandler. They ship quickly, as well.

Like everyone else said, make sure to loctite the screws, keep it dry and you'll be good.
Old 06-08-2011, 04:17 PM
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Chandler it is. So from what I hear I have to lock tite and silcone something. Can you guys tell me what I need to do then
Old 06-08-2011, 06:15 PM
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Loctite the rotor screws, and put a nice bead of silicone around the joint between the cap and the body of the opti. Pay special attention to the gap around the electrical connector.
Old 06-08-2011, 07:59 PM
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Quazz What do I have to worried about the gap bro, This will be my first opti installed so I wanna make sure I understand exactly what to do. Any recommendation on gasket on the water pump and what ever else I need from anybody that done many of these
Old 06-09-2011, 12:06 PM
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I got a Delphi from thepartsladi and it was DOA. Delphi wouldnt replace it and thepartsladi dissapeared, so I was SOL on that.

Replaced with an AC Delco and so far so good.



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