C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Opti Crap help!

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Old Nov 3, 2004 | 07:34 PM
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Default Opti Crap help!

I've got to make a quick decision on replacing the Opti Spark for my
'92. I have breezed thru some old threads and checked out the Dynaspark on line. Looks promising. Pricey - does anyone discount this product and could someone give me an estimate on labor to install? Better yet, could you come over? lol thanks
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Old Nov 3, 2004 | 07:46 PM
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shady!

explain the problems? mileage? symptoms? things like that.

Where do you live? I could do it, but only if you are in the SoCal area!

Expect 6 hours labour, do the math on your local rates.

Replace the water pump at the same time.

The Dynaspark is available only though Dynatech. Price is fixed... nice piece tho...
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Old Nov 3, 2004 | 09:51 PM
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Default Long drive

Oh thanks for the offer but Ft. Lauderdale be a long long way!

THe symptoms are commensurate with opti problems. I cleaned up the opti a couple of years ago and have let the Vette sit far too long. Darn and just when I got the a/c working again.

Sudden onset, cranks but doesn't start, smell of fuel, blah blah. I thought H2O might have made its way into the fuel as occasionally the gas box drain tube will clog (especially with 4 hurricanes passing thru) but I poured some water in and it ran swiftly thru. Anyway the diagnosis doesn't surprise me. 6 hrs, well I guess the guy is in the ballpark. He quoted me a grand for the repair and a couple of hundred extra for a water pump. Seems like I go thru something like this every November. Thanks for the input.
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Old Nov 3, 2004 | 10:28 PM
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Sounds like it might be the fuel pump. That's what mine did when my FP went out. Check the fuel pressure. It's worth a try. P.S. I'm in Arizona so I don't think I can make there either. Robert
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Old Nov 3, 2004 | 10:30 PM
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Sounds like it might be the fuel pump. That's what mine did when my FP went out. Check the fuel pressure. It's worth a try. P.S. I'm in Arizona so I don't think I can make it there either. Robert
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Old Nov 3, 2004 | 10:35 PM
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Sorry about that. My computer (or my brain, not sure which) is acting up.
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Old Nov 4, 2004 | 02:43 AM
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Originally Posted by rspvette
Sorry about that. My computer (or my brain, not sure which) is acting up.
neither, forum software is ghey.

I would check the fuel, too... but before jumping to the opti, check the coil and such...
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Old Nov 4, 2004 | 04:49 AM
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My first thought was fuel pump when I smelled the fuel. But, what do I know. Sometimes I find myself still trying to pump the gas pedal like it's carburated to get it started.

I will bring those checks up first thing this morning. Thanks.
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Old Nov 4, 2004 | 09:35 AM
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Default 92 Fuel pump

I had the same problem with my 92 vert 15000 was not driven
for 6 months fuel pump went out I had spark so I knew opti was working
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