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

**New Performance Optispark for your LT1/LT4!**

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Old 08-19-2013, 09:39 PM
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SacCityCorvette
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We offer many other products then we have advertised on the forum and our website. Email or pm us with what your looking for and we will get back to you with quotes and do our best to save you some money

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Matthew

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Old 10-17-2013, 01:38 PM
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Great deal if you need a Opti!
Old 10-23-2013, 01:13 PM
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So what is the verdict on this unit buy don't buy anyone having any issues after installing and how reliable has it been
Old 11-22-2013, 10:07 PM
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Originally Posted by Hawg55
So what is the verdict on this unit buy don't buy anyone having any issues after installing and how reliable has it been

Hi,
Since no one has chimed in yet, I can tell you that recently we had
one possible defect. Customers car died and he suspect it could be the Opti, so since it has a one year warranty we just had another one sent out to him. We haven't herd anything from him yet. That is the only one so far after selling a few dozen of them for round 6 month now.

Thanks,
Christian
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Old 01-04-2014, 07:03 PM
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ANTI VENOM
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Happy New Year. This is just one of my experiences. I bought a comp cams cam and installed it and started losing Opti's monthly. Long story short, the pin in the cam was too long. Don't forget to check that with new cams or no Opti will survive. I wish this product was around when I was replacing Opti's.
Old 01-16-2014, 02:23 AM
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Originally Posted by ANTI VENOM
Happy New Year. This is just one of my experiences. I bought a comp cams cam and installed it and started losing Opti's monthly. Long story short, the pin in the cam was too long. Don't forget to check that with new cams or no Opti will survive. I wish this product was around when I was replacing Opti's.
That is a bummer!

Christian
Old 02-06-2014, 02:37 AM
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I was hoping to step into this thread and find first-hand experience from someone who has actually purchased and installed this item. Unfortunately, even the "good quality" opti's (i.e. MSD) has turned out to be crap. Outside of NOS opti's, the general impression is "avoid other units".

Any corvette forum members try this product?


OP- it might be a bit slow on this forum, due to posting in the FI section.
Old 02-07-2014, 02:57 AM
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Hi mnstrlt1,
Only posted here because FI LT1's have Opti's that go bad.

Christian
Old 05-16-2014, 09:05 AM
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Currently need an opti for my 92, whats your failure rate now that you have been selling them for a bit? and has the price changed any?p
Old 05-16-2014, 12:25 PM
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Originally Posted by 92C4M6
Currently need an opti for my 92, whats your failure rate now that you have been selling them for a bit? and has the price changed any?p
Hi 92C4M6,
The last time we checked was last year some time and we had sold 36 Opti's and there were 2 warranties. I'm not sure how many we have sold to date, but so far I don't think we have warranties more than 2-3 more. If we were having a big problem with them we would discontinue them.

Thank you,
Christian
Old 05-26-2014, 11:16 AM
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Purchased opti today for my 92....hope these things are legit.
Old 06-09-2014, 07:53 PM
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Thank you 92C4M6!

Christian
Old 06-16-2014, 01:56 PM
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Same day shipping!
Old 07-07-2014, 04:21 PM
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In stock!
Old 08-26-2014, 07:45 PM
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Did you know: The name "Corvette" was borrowed from a line of small, fast navy ships used in World War II.
Old 08-27-2014, 09:16 PM
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Originally Posted by SacCityCorvette
Did you know: The name "Corvette" was borrowed from a line of small, fast navy ships used in World War II.
Soon as the LT1 goes in my racer, i'll be ready to do a fast navy ship TUNE UP.
Old 08-29-2014, 01:07 PM
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Originally Posted by TCurtner
Soon as the LT1 goes in my racer, i'll be ready to do a fast navy ship TUNE UP.

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Old 08-29-2014, 01:07 PM
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The first generation Corvette was introduced late in the 1953 model year. Originally designed as a show car for the 1953 Motorama display at the New York Auto Show, it generated enough interest to induce GM to make a production version to sell to the public. First production was on June 30, 1953.
Old 09-02-2014, 06:14 PM
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The second generation (C2) Corvette, which introduced Sting Ray to the model, continued with fiberglass body panels, and overall, was smaller than the first generation. The C2 was later referred to as mid-years.[19] The car was designed by Larry Shinoda with major inspiration from a previous concept design called the "Q Corvette," which was created by Peter Brock and Chuck Pohlmann under the styling direction of Bill Mitchell.
Old 09-05-2014, 12:57 PM
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Whether your a Pro or a Do Your Own Repair kind of guy, here is a simple but very effective tool to help you make
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