Threads Tagged with optispark

c4, control, corvette, engine, fault, gm, high, l98, line, lt1, lt5, minimum, octane, optispark, requirements, sencors

Does anyone know the history of the Optispark?

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1 2)

Mr. Peabody on May 10, 2008

Aug 20, 2025 11:04 AM
by bb62

29

22,681

cap, gasket, opti, optispark, protect, seal, sealant, sealer, spark, water

Question: Best Sealant to use on New Optispark to prevent water from gettin in thru the seals?

FrankLT4CE on Oct 31, 2001

Mar 19, 2025 04:20 PM
by Whaleman

7

3,033

aligning, bad, cam, corvette, firing, install, installed, low, opti, optical, optispark, pcm, pix, position, res, sending, sensor, test, troubleshoot

New optispark not working, help asap

Goldenboyws6 on Feb 12, 2010

Dec 5, 2024 04:37 PM
by Aug80##

14

5,777

1994, 94, c6, corvette, hole, installation, leaking, meziere, opti, optispark, pump, removal, replacement, spark, vette, water, weep, write

Replacement Optispark and Water pump install - Part 1 (includes pictures)

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1 2 3 ... Last Page)

LT1*C4 on Nov 3, 2009

Aug 17, 2024 03:52 PM
by Desert Rider

169

161,984

1992, 92, connector, connectors, corvette, fit, harness, lt1, make, msd, optispark, plug, problem, problems, vette, wiring

Msd optispark connector

rs/ss 67 on Mar 25, 2009

Jul 5, 2023 09:20 PM
by Legolar

7

5,477

92 lt1 msd optispark upgrade

htijerina10 on Feb 13, 2012

Jun 25, 2023 09:20 AM
by car addict

7

15,307

98, ats, corvette, diference, difference, engine, engines, hp, l98, lt1, mn, optispark, reliable, sale, wisc

Difference between an LT1 & L98?

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1 2 3)

MeanMachine350 on Jun 20, 2011

Aug 26, 2022 03:28 AM
by convas

57

80,579

16159278, 93, c4, computer, corvette, diagram, diagrams, location, lock, lt1, optispark, pcm, pinout, vapor, wiring

'93 LT1 PCM Pinout diagram

mechanic58 on Apr 13, 2008

May 11, 2022 09:45 AM
by rrwebster

14

28,972

2000, c4, c5, corvetes, corvette, corvettes, gm, opti, optispark, opyispark, spark, whay, year, years

What year is Opti-Spark used?

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1 2)

5speedC4 on Apr 17, 2006

Jun 19, 2021 08:04 PM
by Sabre34

28

45,577

c4, conversion, go, harness, hose, lines, lt1, nonvented, optispark, parts, uptispark, vaccum, vacuum, vent, vented, zr1

Can a optispark vacuum harness be made with parts from local autoparts store?

boonie c4 on Apr 24, 2011

Jun 22, 2018 01:38 AM
by mtwoolford

12

12,840

autozone, cap, change, distributor, e5, opti, optispark, remove, rotor, seprate, snap, socket, sold, spark, torx

opti-spark distributor cap removal how?

boonie2 on Apr 16, 2004

Feb 3, 2017 09:55 AM
by Tact

13

14,097

cap, corvette, distributor, engine, fails, failure, good, managment, opti, optispark, original, part, putting, replace, silicone, spark

How extensive is the Optispark failure rate?

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1 2 3)

rwd on Jun 23, 2005

Jul 19, 2015 11:56 AM
by llk1066

48

14,851

1995, 2005, 99, backfires, cam, chain, corvette, hole, issues, optispark, pin, put, start, startup, timing, vented, wont

New rebuild won't start up

Rottenbind on Aug 24, 2011

Jul 1, 2015 04:01 AM
by Rottenbind

18

11,308

1993, 1994, 2003, bad, cardone, change, corvette, good, opti, optispark, opyispark, spark, spd, symptoms, venting, warm, year

Bad Optispark?

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1 2)

Bat Man on Apr 20, 2003

May 24, 2015 06:32 PM
by kcbc

33

4,469

1996, 45953, 95644, corvette, fel, gasket, opti, optispark, orings, pro, replacement, seal, set, shaft, spark, tcs, teflon

Optispark Replacement Seal

JM95 on Jul 7, 2010

May 6, 2015 04:57 PM
by sluggballz

9

10,721

180, correct, engine, opti, optispark, phasing, plug, pump, rebuild, slipping, spark, start, test, water, wire

What is proper water pump cleaning and opti-spark cleaning.

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1 2)

Reggied on Apr 29, 2005

Apr 6, 2015 08:33 AM
by antfarmer2

21

7,078

1994, advance, c4, check, corvette, corvettes, dies, ignition, ignitions, intermittent, opti, optispark, problems, spark, vacuum

Opti Spark ignition experts - am I fixed???

mayberg on Nov 12, 2009

Jan 24, 2015 02:12 PM
by m kraz

8

3,763

94, bad, coil, corvette, distributor, dying, engine, good, opilt, opti, optispark, spack, spark, symptoms, symtoms

Symptoms of a Bad Opti-Spark..........

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1 2)

Hi-psi on Apr 9, 2002

Jul 11, 2014 09:02 PM
by Winnin'

21

36,194

1994, 36, bbd, c4, car, change, code, corvette, corvetteforum, dtc, icm, opti, optispark, replacement, running, spark

DTC/Code 36 After Optispark Replacement

redzr1 on Aug 14, 2011

Jun 26, 2014 03:00 PM
by DaveD2

7

10,781

corvette, enterprises, opti, optispark, petris

Anyone successfully using a Petris Enterprises vented opti??

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1 2 3)

94Hawk107 on Dec 19, 2011

Nov 6, 2013 09:09 PM
by Scootin_Z

43

13,152

1992, buy, chandler, cms, corvette, delco, loctite, lti, motorsports, msd, opti, optispark, prices, spark, warranty

Final word on best opti spark to buy

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mfi on Jul 13, 2011

Nov 1, 2013 07:41 PM
by Scootin_Z

108

72,797

1984, 1993, bad, connection, corvette, distributor, ecm, faulty, firing, icm, miss, opti, optispark, spark, symptom, symptoms

Is this a Opti spark problem?

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1 2)

QBLU92 on Jun 17, 2008

Sep 7, 2013 01:45 PM
by ellymae

39

13,511

10457702, 1104032, ac, ac delco, chandlermotorsportsinc, counterfeit, deal, delco, distributor, gm, lt1, optispark, optisparks, performance, testing

%% Official AC Delco 1104032 and 10457702 Optispark Announcement %%

ChandlerMotorsports on Aug 31, 2010

Jul 18, 2013 06:24 PM
by pcolt94

8

6,998

central, centrals, changed, corvette, enterprises, ign, inc, mod, opti, optical, optispark, petris, petrisenterprises, pickup, replacing

Petris Enterprises optispark

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mfi on Jul 28, 2011

Feb 16, 2013 07:53 PM
by Tact

30

23,045

Opti spark

RACER 1993 on Jan 17, 2012

Dec 7, 2012 10:14 PM
by dizwiz24

6

1,432

drivabilityperformance, optispark, runs rough

'94 LT1/ZF crank no start, runs rough if at all

stonewall221 on Oct 17, 2012

Oct 25, 2012 07:13 AM
by stonewall221

8

1,922

2001, 96, bailey, code, corvette, ltcc, opti, options, optispark, replacement, rid, sensor, show, spark, vette, wet

Best option for optispark

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1 2)

onDjuice on Feb 2, 2012

Oct 15, 2012 12:52 AM
by lt4obsesses

35

11,861

1984, bad, c4, corvette, failing, failure, lt1, opti, optispark, problems, related, signs, smptoms, spark, sympthoms, symptoms

Symptoms of a going Optispark?

bolowbc on Jul 8, 2009

Jul 23, 2012 04:25 PM
by Finalatom

6

16,311

car, changed, corvette, cruising, driving, engine, idle, ignition, lt1, missing, opti, optispark, stumbles, surges, surging, warm

At idle; Engine stumbles and surges after warmup!

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1 2 3)

AZBlackC4 on Jan 9, 2012

Jul 22, 2012 09:15 PM
by AZBlackC4

40

23,787

optispark / water pump source ('94 C4)

flednj on Jul 21, 2012

Jul 21, 2012 06:34 PM
by Coves4me

1

884

1992 stalls at closed loop but restarts immediately

JimBobHue on Jun 2, 2012

Jun 8, 2012 09:50 PM
by JimBobHue

10

3,031

c4, c6, cap, corvette, delco, forum, freight, fuel, harbor, msd, opti, optispark, pressure, recall, worth

new vett owner opti spark msd

redvett22 on May 5, 2012

May 9, 2012 10:50 AM
by cappe

12

2,124

New Opti Spark unit for sale

ram0672 on Apr 30, 2012

Apr 30, 2012 06:00 PM
by ram0672

0

552

Help - Optispark Question

Brian308gts on Apr 25, 2012

Apr 27, 2012 06:55 PM
by xrsis

10

1,091

optispark, petrisenterprisescom, replacement

Best Opti replacement?

pmihaltian on Apr 27, 2012

Apr 27, 2012 12:28 PM
by mfi

5

1,450

1994, 94, c4, corvette, install, off, oil, opti, optispark, opty, problem, problems, spark, timing, water

94 Optispark install issues. :(

Bluewasp on Apr 21, 2012

Apr 21, 2012 07:58 PM
by Bluewasp

3

1,017

94, bad, car, corvette, corvetteforum, erratic, idle, lt1, make, opti, optispark, rough, spark, start, test, testing, vacuum

Dying OptiSpark?

twiggelf on Apr 8, 2012

Apr 15, 2012 03:05 PM
by RACER 1993

4

1,623

1994, 94, ac, corvette, delco, optispark, pump, sale, water

'94 AC Delco Water Pump and Opti-spark

Ackman70 on Mar 31, 2012

Apr 13, 2012 07:27 AM
by Ackman70

5

761

Socal FS: Optispark and MSD wires (NEW)

zarifian383 on Mar 23, 2012

Mar 30, 2012 08:35 PM
by zarifian383

7

749

Gen II (95-96) optispark connector vs. Gen I (92-94) optispark connector?

dizwiz24 on Mar 29, 2012

Mar 30, 2012 11:58 AM
by jaa1992

2

2,820

Optispark. Whos changed it? Did you convert to "new style"

GvilleFloridaC4 on Mar 6, 2012

Mar 17, 2012 06:13 PM
by 94redrag

18

2,433

c5, change, corvett, corvette, engines, last, milage, miles, optispark, play, pump, put, replace, replaced, style, supposed, water

Water pump 70k miles.. should I get a new? How many miles on your stocker? one?

GvilleFloridaC4 on Mar 14, 2012

Mar 15, 2012 01:37 PM
by dogfish246

11

1,450

backfire, c5, change, check, coevette, corvette, die, loose, missing, opti, optispark, plug, problem, spark, test

I thought it was my opti-spark, but now....

Dragoondexter on Jan 30, 2012

Mar 7, 2012 10:23 AM
by Dragoondexter

5

2,011

1996, cap, chandler, chandlermotorsports, chandlermotorsportsinc, changing, corvette, ebay, explosion, forum, good, official, opti, optispark, preservation, rotor, thread

^^ The official optispark preservation thread ^^

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1 2 3)

ChandlerMotorsports on Aug 25, 2010

Mar 6, 2012 07:58 PM
by Buddy2003

47

19,853

0ptispark, 1996, 93, alignment, c4, center, corvette, dead, instakking, install, installation, opti, optispark, optispatk, question, spark, tdc, top

Help. Opti spark installation question

Mastr Fab on Mar 2, 2012

Mar 5, 2012 03:09 PM
by midweekwarrior

3

1,386

84, ac, air, auto, condition, conditioner, conditioning, corvette, crossed, friedrich, message, opti, optispark, powered, problems, troubleshooting, vbulletin, wires

Air conditioning problems and possible optispark issues

t316rudy on Feb 21, 2012

Mar 4, 2012 10:16 AM
by RLG

7

1,414

ACDelco remanufactured optispark vs. ACDelco NOS/OEM optispark

dizwiz24 on Feb 27, 2012

Feb 28, 2012 07:43 PM
by 96GS#007

8

16,462

96, c4, corvette, inside, oem, opti, optispark, repair, sale, spark

Help! can anyone confirm what the inside of their OEM '95-96 acdelco optispark looks

dizwiz24 on Feb 28, 2012

Feb 28, 2012 12:18 PM
by 96GS#007

1

875

bought, camaro, car, cheap, gm, installed, internet, opti, optispark, spark, start, stops, unit, wont, wrong

Car still won't start; I think I got shipped a DOA Optispark.

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1 2)

LouisvilleLT4 on Feb 12, 2012

Feb 13, 2012 09:15 AM
by aminnich

20

3,540

1996, abad, affect, cap, fuel, hooked, lines, low, lt1, optispark, optisparks, optisprak, pressure, rotor, running, vacuum

I'm I correct that a faulty Opti-spark will retard timing?

My68 on Feb 7, 2012

Feb 11, 2012 01:41 PM
by 96GS#007

14

7,362

1992, opti, optispark, rebuild, replace, spark, zr1

What should I do with the optispark

Packervette on Jan 25, 2012

Feb 1, 2012 10:28 AM
by Packervette

5

1,044

Here is what I have so far

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Strick on Aug 18, 2011

Feb 1, 2012 10:24 AM
by IAFF alumni

92

5,915

air, backfire, c4, control, firing, idle, loss, lost, lt1, missing, optispark, order, popping, power, warm

93 Lt1 missing backfiring loss of power.

pikez35 on Sep 24, 2011

Jan 24, 2012 10:59 AM
by pikez35

11

8,355

1994, 94, c4, check, coil, corvette, corvetteoptispark, icm, opti, optispark, run, spark, starts, stops, vette

1994 C4 Coupe .....Optispark or what?

365021 on Jan 21, 2012

Jan 23, 2012 07:57 PM
by 365021

11

2,566

antifreeze, cleaner, contact, coolant, dry, electrical, opti, optispark, spark

Antifreeze on Optispark

motorcycle43 on Jan 18, 2012

Jan 19, 2012 06:59 PM
by Goldcylon

9

4,360

1996, c6, corvette, distributor, hose, location, lt1, opti, optispark, spark, tube, tubes, vacuum, vent, venting

I feel like an idiot, which Optispark vent tube goes where?

LouisvilleLT4 on Jan 16, 2012

Jan 19, 2012 03:16 PM
by LouisvilleLT4

7

10,944

94, c4, corvette, del, delteq, forum, opit, opti, optispark, replace, replacement, replacements, spark, tech, vette

Delteq Opti-Spark Replacement

Otis S. on Sep 2, 2010

Jan 10, 2012 09:04 PM
by Charleston2012

11

2,586

1992, c4, c5, change, corvette, front, leak, leaking, lt1, oil, opti, optispark, small, spark, z06

Small Oil Leak - Somewhere Under Optispark

cqlink on Jan 8, 2012

Jan 10, 2012 08:49 PM
by sailorsteve

13

2,474

96, accel, c4, corvette, evidence, explosives, forum, inside, insides, mods, opit, optispark, orings, silicone, spark, z06

evidence of explosive spark inside opti-spark (see pictures)

dizwiz24 on Jan 8, 2012

Jan 10, 2012 02:45 AM
by Charleston2012

8

2,021

auto, automative, autoparts, distributors, forum, good, optispark, parts, products, quality, review, vollig

Vollig Autoeile do they product HI quality Optispak distributors?

boonie c4 on Dec 16, 2011

Dec 16, 2011 11:03 AM
by 93Z07

1

4,253

1994, 7609752912, 95, c4, c7, corvette, gm, gmc, harness, number, opti, optispark, part, sale, vented, wire, wiring

94-95 OEM GM New Vented Optispark and Wiring Harness

pelensky on Aug 7, 2011

Dec 9, 2011 09:29 AM
by pelensky

12

1,602

ac, acdelco, delco, opti, optispark, sale, spark

F/S Optispark (1st Gen) New/used AC Delco Unit $200

BIGJIM13 on Nov 15, 2011

Dec 3, 2011 11:21 AM
by BIGJIM13

11

928

1995, 1996, 4, code, corvette, cylinder, fireing, lt1, misfire, misfires, miss, multi, multiple, optispark, p0300, random

96 Vette LT1 Multi Misfire

Doggie Dawg on Jun 2, 2011

Dec 2, 2011 04:58 PM
by CAmaninacan

7

5,457

41, build, bypass, c4, chip, code, corvette, optispark, problems, sim, symptoms, sys, vats

HELP with vats

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1 2)

Vetteurpants on Nov 21, 2011

Nov 28, 2011 07:27 PM
by pcolt94

20

3,259

Edgeofnight on Nov 13, 2011

Nov 13, 2011 08:35 PM
by George Dickel

5

1,023

1994, 94, base, corvette, corvsport, cotvette, distributor, optispark, replacing

1994 corvette base coup

rhemrah on Nov 10, 2011

Nov 11, 2011 09:41 PM
by QCVette

17

1,032

1994, corvette, distributor, optispark, replacing

I've joined the exclusive club, my Optispark died...

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1 2)

dpd3672 on Nov 9, 2011

Nov 11, 2011 04:09 PM
by rad928music

21

1,510

95, alignment, c5, cool, corvette, engine, lt1, optispark, run, stalled, stalling, start, starting, vette, wont

95 LT1 Vette stalled will not start

jcreech on Nov 8, 2011

Nov 10, 2011 07:54 PM
by aminnich

10

1,409

bad, connections, connector, diagnosing, diagram, frequency, high, opti, optispark, pin, scope, spark, start, testing, wiring

Chrysler tech needs help diagnosing possible opti-spark issues

ProStreetC10 on Oct 18, 2011

Oct 31, 2011 09:58 AM
by ProStreetC10

14

2,604