Track results are... disappointing
yeah i need a shift light, the opti is already on the way along with the coil and im going to get the ICM and new fuel filter now. i dont like throwing parts at a car but i dont know how old this stuff is so id like to replace it anyway so i can narrow things down a little more
Ill bet the rotor is coming loose. My opti sounded like a box of Cracker Jacks when I pulled it. Take off the cap and locktite the rotor screws or get a MSD cap and rotor and do the same. Since mine is all apart right now thats what Im gonna get b4 it goes back in.
well you said it's new plugs and wires, were these problems existant before the plugs and wires? or are they just new as in recently changed? wires can burn at any time on headers, also I've seen brand new sets of wires arch right out of the box or shortly after install. new plugs can get ruined randomly.
what types of plug wires do you have? some brands are prone to problems.
does the car run rough after running for a while or just missfire in the high rpms? this is a usual symptom of failing/bad ignition coils or ICMs, as with older electronics they become "heatsoaked" and begin to perform inadequately when exposed to sources of heat for extended periods of time.
checking plugs and wires is free and relatively easy. reading plugs is one of the key factors of diagnosing an engine.
what types of plug wires do you have? some brands are prone to problems.
does the car run rough after running for a while or just missfire in the high rpms? this is a usual symptom of failing/bad ignition coils or ICMs, as with older electronics they become "heatsoaked" and begin to perform inadequately when exposed to sources of heat for extended periods of time.
checking plugs and wires is free and relatively easy. reading plugs is one of the key factors of diagnosing an engine.
well you said it's new plugs and wires, were these problems existant before the plugs and wires? or are they just new as in recently changed? wires can burn at any time on headers, also I've seen brand new sets of wires arch right out of the box or shortly after install. new plugs can get ruined randomly.
what types of plug wires do you have? some brands are prone to problems.
does the car run rough after running for a while or just missfire in the high rpms? this is a usual symptom of failing/bad ignition coils or ICMs, as with older electronics they become "heatsoaked" and begin to perform inadequately when exposed to sources of heat for extended periods of time.
checking plugs and wires is free and relatively easy. reading plugs is one of the key factors of diagnosing an engine.
what types of plug wires do you have? some brands are prone to problems.
does the car run rough after running for a while or just missfire in the high rpms? this is a usual symptom of failing/bad ignition coils or ICMs, as with older electronics they become "heatsoaked" and begin to perform inadequately when exposed to sources of heat for extended periods of time.
checking plugs and wires is free and relatively easy. reading plugs is one of the key factors of diagnosing an engine.
oh ok, that's what I was looking for. do you remember any of the plugs you pulled being out of the ordinary? like whiter or darker than the rest?
a high rpm miss could be a number of things, I went through the same hassle as you not long ago, turned out that a small bolt that mounted the icm to the coil bracket came loose and after I put a new bolt in my high rpm miss was gone.
a high rpm miss could be a number of things, I went through the same hassle as you not long ago, turned out that a small bolt that mounted the icm to the coil bracket came loose and after I put a new bolt in my high rpm miss was gone.
LS1 Tech Stories
The Best V8 Stories One Small Block at Time
Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine
Verdad Gallardo
7 Most Reliable High-Performance Engines GM Has Ever Built
Verdad Gallardo
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin
Verdad Gallardo
6 Common C5 Corvette Failures and What's Involved In Repairing Them
Pouria Savadkouei
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph
Verdad Gallardo
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked
Pouria Savadkouei
Top 10 Most Powerful Chevy Trucks Ever Made!
Hennessey's New Supercharged Silverado ZR2 Has 700 HP
Verdad Gallardo
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes
Verdad Gallardo Thats when the rotor starts wobbling. Def get the GM opti then use the MSD cap and rotor from summit. Its a pretty cheap upgrade.
If you were asking me about my times. 11.88@119.44 on a 1.89 60ft, but I did have skinnies on and rear prostars with MTs DRs. Other than that it was full weight besides the rear seats. Now you really cant compare the 2 set ups since my cam is not the same as yours.
If you were asking me about my times. 11.88@119.44 on a 1.89 60ft, but I did have skinnies on and rear prostars with MTs DRs. Other than that it was full weight besides the rear seats. Now you really cant compare the 2 set ups since my cam is not the same as yours.
Last edited by AChotrod; Jul 25, 2009 at 12:10 PM.
i was wrong, i just looked up the original for sale thread and id does have 37# injectors. opti time 
why do you think the MSD cap and rotor is so much better?
Lloyd Elliot Stage 2 Heads
Lloyd Elliot 1.5 Cam 224/230 .600/.600 108 LSA
Lloyd Elliot Port Matched Intake Manifold
Bret Bauer Pro Gear Timing Chain
Meizeire Electric Water Pump with Relay Kit
Delphi 37 lbs Injectors
Comp Pro Mag 1.6 Rocker Arms
Trickflow Guideplates
Comp Harden Push Rods
Moroso Cold Air Intake
Slp Air Foil
160 Degree Thermostat
Canton Valve Covers
NGK TR55ix Spark Plugs
MSD 8.5 Super Conductor Wires
PCM4LESS Tune
thats the setup
why do you think the MSD cap and rotor is so much better?Lloyd Elliot Stage 2 Heads
Lloyd Elliot 1.5 Cam 224/230 .600/.600 108 LSA
Lloyd Elliot Port Matched Intake Manifold
Bret Bauer Pro Gear Timing Chain
Meizeire Electric Water Pump with Relay Kit
Delphi 37 lbs Injectors
Comp Pro Mag 1.6 Rocker Arms
Trickflow Guideplates
Comp Harden Push Rods
Moroso Cold Air Intake
Slp Air Foil
160 Degree Thermostat
Canton Valve Covers
NGK TR55ix Spark Plugs
MSD 8.5 Super Conductor Wires
PCM4LESS Tune
thats the setup
well it has a new pump, new injectors, and the filter was fine (replacing it anyway) so it has to be ignition related. it had the same symptoms with the old plugs and wires and the new ones so that kind of rules that out (i know you can have bad new parts as well) and im replacing the Coil, ICM, and Opti at the same time so im thinking it SHOULD be one of those 3
that's gonna be alot of money if they're all AC DELCO brand, like $600-700
a fuel pressure gauge and simple tests are are much cheaper or even free. there are guides for testing many of the ignition parts online that you want to replace, I think shbox even has an opti test guide.
I've had a brand new walbro **** on me out of the box, just some food for thought. aftermarket parts for the most part aren't really that reliable in comparison to OEM stuff. injectors can get clogged up or stick open at any time.
I really think reading the plugs would be my next step
a fuel pressure gauge and simple tests are are much cheaper or even free. there are guides for testing many of the ignition parts online that you want to replace, I think shbox even has an opti test guide.
I've had a brand new walbro **** on me out of the box, just some food for thought. aftermarket parts for the most part aren't really that reliable in comparison to OEM stuff. injectors can get clogged up or stick open at any time.
I really think reading the plugs would be my next step
where do you order parts? lol ICM is like 130, coil from MSD is 45, Opti is 292 shipped 
like i said though i havent done them since i got the car so it will make me feel better doing them myself and hopefully solve my problem
it was doing it before the fuel pump too. it was something i wanted to upgrade and hoped to solve the problem at the same time. ill be running a 150 shot in the near future and had the funds so it wasnt a big deal
like i said though i havent done them since i got the car so it will make me feel better doing them myself and hopefully solve my problemit was doing it before the fuel pump too. it was something i wanted to upgrade and hoped to solve the problem at the same time. ill be running a 150 shot in the near future and had the funds so it wasnt a big deal
well mostly I was quoting dealership prices and meant more like $500-600. I know last AC delco unit I bought (while ago) was near/around $400
either way though that's $500+ you might not have to spend
either way though that's $500+ you might not have to spend
ouch! your non vented though right? theyre alot more. ill try a fuel pressure gauge today
advance auto parts sells AC delco units for over $500 for my year, just looked it up actually lol
lots of parts stores, Auto Zone, Advance Auto Parts, etc. will let you rent the kind of tools you need for some of the test for just a deposit that is refundable.
lots of parts stores, Auto Zone, Advance Auto Parts, etc. will let you rent the kind of tools you need for some of the test for just a deposit that is refundable.
The rotor is 10x beefier than the factory pc, plus the cap looks cool! lol!
http://www.summitracing.com/parts/MS...1/?image=large
http://www.summitracing.com/parts/MS...1/?image=large
Its the higher RPMs that kill it not power or ETs. I went low 11s with my Old Formula on the stock opti but would only spin to 6100 so I never had a prob. I blew up a brand new opti in less than 500 miles spinning to 67-6800.