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Hey there car junkies. I have a 1995 Camaro Z28 with a LT1 motor. It's about to that mile range where I feel it's time to pamper my baby and put new plugs and wires on her. This vehicle is mostly factory, I have added a cold air intake and aftermarket exhaust, but that's it. All other things (including distributor) are factory. I want to know what are the best plugs and wires, as far as life-span, spark strength, power, vitamins for the motor, etc. are. I don't plan on changing anything with the ignition or anything, I just want the best out there to keep a factory vehicle running strong and destroying Mustangs every now and then when it(I) feels like it.
In all of my previous vehicles (non-Camaros, I have changed and left the darkside to find the light) I have used Iridium plugs on them and I plan to do the same on this one as well. As an example, Honda seems to be big into the NGK brand of plugs. So for this vehicle, with AC Delco being the factory replacements, is the AC Delco Iridium spark plug the best replacement, or is another brand of spark plugs proven to be better? Or, possibly, do these vehicles not like Iridium and is something like platinum better? (Again, no change in ignition or the distributor, so quadfires are out of the question).
And then the question comes to wires. Are any brands supposed to be especially good for the vehicle? I understand many who would swear by MSD or the like for vehicles that have been upgraded for racing, but again this is factory. I want the best wire for delivering the most power to the plug on a factory setting, with the best longevity, heat resistance, etc.
Basically, my car is my baby. I like to push it hard now and then, but for the most part I like to keep it as a dependable, daily driver. I want what is best for engine life, performance, gas mileage would be nice (this vehicle can blow a 4-banger out of the sky on the highway, my lead foot causes 14mpg city though). Also of course, I'd like longevity. I like working on this vehicle so I am not thinking of something to put in and forget exists, but something worth its money. Speaking of money, it is on the back burner as far as issues. I have looked around and found that factory AC Delco wires for all eight and a coil are about 60-70 dollars and for a set of eight Iridium plugs I am looking at about 50 bucks. So basically if it ends up somewhere between 90-150 dollars but makes my baby purr at me, I'm a happy camper. What do you guys think? I plan on changing them during the Holidays so the sooner I get advice the better. Thanks for reading, a double thanks for responding; I may not go with the opinion I get, but I treasure them all.
BTW; this may be common knowledge, but I just found it out. Is your Camaro having heater issues? Mine sure did. I could drive and it was kinda warm, pleasant room temperature, but in idle and the like, nothing more than cool air. The vehicle also if it idled long enough would try to get hot even with both fans working (never red lined since I made sure it didn't, never an issue when driving). When I went to change the radiator fluid, I read on an F-Body forum that you can pop the two heater hoses from the water pump, hook a garden hose to one, run water through it until it flushes clean, then the other. I created a garden hose connection (bought at Wally world for 2$) to some scrap heater hose, turned the water on and flushed it, did so on each line a couple of times. My heater will make your eyes water, no more warm issues. So if anyone has a weak heater, overheating issues and your fans work, try that. If only I had been the first owner, that would have never have had to happen. Why can't more people love their cars and feed them nothing but high octane and Lucas Chocolate? Sorry for ranting, thanks.
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I just did the same thing with my 94Z everyone told me to go with the AC delco platnium pn 41-906 there about 5-7 dollars each. You can find a deal on ebay sometimies. The wires I was told to use MSD SuperConductor PN 32143 through summits ebay store for 135 shipped, they are a little larger than the stock ones so they won't fit in the holders. I used zip ties and it worked great. Be prepared if you have never done this before it is a royal pain in every part of your body LOL. Let us know if you need any help. Greg
I have to agree with shoebox. I ran the taylor wires for a while but could not get them routed behind the PS pump pulley right and ended up cutting through two of the wires. replaced those with some 30 dollar cheapies from local parts store. car has never run better and fit perfectly. personally i feel if you are not running any other upgraded ignition components then you are going to notice anything with just plug wires.
I'm with Rob/Shoebox too..... a set of stock AC/Delco (Delphi) 7mm wires is more than adequate for a "stockish" engine. The 8.5mm MSD SuperConductors are great wires, but you don't need them, and they are difficult to install in a stock setup.
For plugs, consider the NGK TR55-IX Iridium plugs. I had major problems with the stock AC/Delco platinum plugs losing the little platinum pucks off the center electrode and ground strap... but that was many years ago. Maybe they've improved them.
94 Formula A3+1: 381ci all-forged stroker - Callies Stealth, Oliver 5.85 billet rods, BME nitrous pistons / CNC LT4 heads / Comp Cams custom solid roller / TH400 + GearVendors OD / Strange 12-bolt - 4.11's / 300-shot N2O / Spohn suspension / 6-pt roll bar with integrated SFC's / AutoMeter instrumentation / MoTeC M48Pro engine management system / a few other odds 'n ends. 800HP/800LB-FT at the flywheel.
YoungCompton, I am not so sure recommending 10.2 mm wires is a good idea. They simply won't fit well on an LT1. Also, due to the work it takes to 'wire' an LT1, bargain ebay generic wires are not on my short list.
It's not the size that matters, it's the resistance in the wires. The size is usually just more shielding.
I was not strictly using bigger as meaning size. That's why I had in quotes. People think bigger is better and you are correct, it is the resistance that is important. However stock wires have lots more resistance as compared to some advertised aftermarket wires and they still work great. There is a point where lower resistance no longer matters. The spark provided cannot make use of it.