C5 Opti?

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Jan 21, 2011 | 10:27 PM

pcolt94

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Le Mans Master

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From: Orlando FL

C5 Opti?

Starting with the C5 in 97, does any of the engines use an optispark. And if they did, when were they discontinued?

I thought the opti ended at 96.

Jan 21, 2011 | 10:30 PM

GOTHAM VETTE

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From: New York NY

No, that piece of junk ended with the LT1's and (4's)

Speaking from experience.......

Jan 21, 2011 | 10:40 PM

Vetteman Jack

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The C5 never used the Opti-Spark system - thankfully.

Jan 21, 2011 | 10:43 PM

SUNNYD 95

Burning Brakes

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From: Braidwood Il.

C-4 was the end of that CRAP.

Jan 21, 2011 | 10:46 PM

VettRick

Racer

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From: O'Fallon Illinois

The Opti-Crap was advertised as the be all to end all.
It didn't quite work out that way. 96 SS.

Jan 21, 2011 | 10:53 PM

pcolt94

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Le Mans Master

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From: Orlando FL

Fast responses!

Thanks.

Jan 21, 2011 | 10:55 PM

HowlinC5

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From: Richmond Virginia

I never had trouble with my '96 C4 but I did have a BIG problem with in on my 30th anneversary edition Z28! I ended up selling the car b/c it never ran right after the problems began.

Jan 21, 2011 | 11:39 PM

jrose7004

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Never in a C5.

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Jan 22, 2011 | 06:32 AM

ColeTrain'sC5

Melting Slicks

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From: Sartell Minnesota

I replaced the opti twice in my '96 Z28. JUNK....

Jan 22, 2011 | 09:07 AM

#10

vettman96

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From: Las Vegas Nevada

Quote:

Originally Posted by Vetteman Jack

The C5 never used the Opti-Spark system - thankfully.

Amen, I always wondered why they placed it behind the waterpump

Jan 22, 2011 | 09:12 AM

#11

madmatt9471

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From: Palmdale, Ca----- 2009 Cyber Gray 4LT A6 F55 452 RWHP 422 RWTQ- RIP 1998 C5 734 RWHP & 585 RWTQ-----

Quote:

Originally Posted by pcolt94

Starting with the C5 in 97, does any of the engines use an optispark. And if they did, when were they discontinued?

I thought the opti ended at 96.

GM Stopped Opti-Crap in '96 on the LT motors - once into the new LS1's they are one coil per cylinder

and "ALL" computer controlled

Thanks,Matt

Jan 22, 2011 | 09:14 AM

#12

RetiredSFC 97

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From: Somewhere in Mo

St. Jude Donor '09-'10, '14

The opti wasn't as bad as how it is portrayed. They didn't like water on the early ones and what's the first thing many vette owners do? They start washing the engines then get all wee weed up when there opti fails.

Then when the water pump went south the opti usually followed because people didn't catch, or ignored, the water pump issue.

The vented opti took care of that issue as it allowed for water drainage. I know tons of C4's that have well over 100k and they are still on their original opti.

But with that said, I'm glad theydon't use them anymore

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