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Post by SupaStealth on Nov 22, 2004 18:30:13 GMT -6
Hey i was wondering if anyone knew about using MSD Ignition on the Aurora. MSD just delivers multiple sparks in a single combustion, correct? (probably at a higher voltage and amps than stock though i'm sure) but doesn't the northstar ignition due something like that, which is the reason why if you use any other plug than ACDelco it'll pretty much burn up within 10,000 miles?
i was just curious cause i've seen a few aurora's with msd and kinda wonderin' if it actually helped.
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Post by consideriing on Dec 4, 2004 19:06:06 GMT -6
Hey whats up. well i dont know if i cna be much help or not but here goes. usually you are correct, and msd control box can be "spliced" into the distributor to fire multiple sparks per ignition. however on GM cars like this one use coil packs instead of the distibuter. therefore the only thing that MSD does is make an aftermarket coilpack which supposedly creats a higher voltage spark than the factory ones. however.... from experiences with my 3100 v6 enigne in my cutlass supreme, the MSD coil packs actually make no difference or even less power!!!!!!!!!! the stock coil packs are a very good design/application and they last very long time. so i think in this situation the MSD is a waste fo money. perhaps they work better in japenese
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Post by stevensolds on Dec 7, 2004 20:44:52 GMT -6
i almost bought digital ignition for 495 dollars but i thought screw that i want exhaust. reason i almost got it was my starter was a litlte messed up due to a bad battery and it was taking FOREVER to crank, therefore burning out the starter quicker
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Post by Aurora40 on Dec 7, 2004 20:48:59 GMT -6
Your ignition is already digital.
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Post by stevensolds on Dec 7, 2004 20:56:13 GMT -6
ok w/e, but hey, im bout to buy front Aurora slotted rotors, since i found out that thadump-bump-bump noise is my focking front rotors shot, i want to get slotted for better stopping. Should i get them? they are 219 dollars for the fronts and 240 for the rears. Obviously notrhing wrong with the rears so they stay. is it worth it? the shop was saying for even better stopping i should get brembo pads with that but it was like 210 a pad im not doing that.
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Post by JimW on Dec 7, 2004 21:43:50 GMT -6
I have x-drilled and slotted rotors with ceramic pads and the stopping power is awesome. Once you have done the fronts, you'll want the backs...trust.
But ya, dont waste money on ignitions.
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Post by stevensolds on Dec 7, 2004 22:10:49 GMT -6
ok 2 weeks is the next available appointment on the 21st. i made it for the slotted rotor job. i hope it makes a big improvement as its 100 bucks more than a regular brake job.....
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Post by erw38 on Dec 8, 2004 11:42:16 GMT -6
I gotta do my brakes soon I'm gonna go the cheap route and try replacing them myself. I have never done a "brake job" before, so I guell it will be trial and error. I just hope the car will stop at the red lights!
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Post by JimW on Dec 8, 2004 11:52:28 GMT -6
I think I posted instructions on how to do the rears, its not as easy as the front. Look in Classics...one of the first threads I think
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Post by 1997aurora97 on Jul 7, 2005 21:40:28 GMT -6
On the Msd coil packs they do work I have them on my car along with 8.8 mm plugwires from Accel with splitfire plugs and noticed a difference in response I think it runs great I got mine when the first came out a few years back and the are direct replacements for the stock coils.
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Post by Custom88 on Jul 7, 2005 23:22:37 GMT -6
the slotted rotors make a nice difference. I wonder what it would take to upgrade to the 97+ braking system? It's much better.. I agree, forget about the MSD iginition. It'll make no difference over the stocks sytem and you'll be out of your money.. The stock ignition system is more than enough for a stock engine. none of those parts you used add horsepower. They only replace some of the power you lost from old and worn parts. Splitfire spark plugs aren't any better than a regular spark plug. I reccommend AC delco or NGK plugs, stock wires, and stock ignition/coils. The stock wires are better than virtually all other aftermarket wires. I've heard nothing but bad things about the accel coil packs. I don't know about their plug wires though..
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Post by GlennS87 on Jul 8, 2005 8:05:13 GMT -6
Unless you have a highly modded motor, A MSD (or any other CD ignition) is just a waste of your money.
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Post by 1997aurora97 on Jul 12, 2005 21:20:24 GMT -6
I never said they would give you more horsepower but I do think the are better than stock. And give a little better throttle response when you get on it . You are right it isn`t a big difference but enough that I noticed it in combination with wire and spark plugs. But if you say the plugs are not any good mabe I`ll try something different when I change plugs next .
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Post by Letitroll98 on Jul 13, 2005 11:00:47 GMT -6
Yes, splitting the ground strap on a plug to make it a "Splitfire" or a Bosch "Plus 4" is no road to performance. The biggest improvement in a plug's spark will be from using the smallest electrode possible. Denso's Iridium has a 4mm electrode, the smallest available for an Aurora application, with NKG's Iridium 7mm size coming in next largest.
1997aurora97 probably did get a boost back to max performance with simply installing new plugs of any type. The Accel 8.8mm wire sets have three different formulations, I'd assume you were using one of the Street version Spiral Cores which would be a good application for the 4.0L engine. I don't believe the MSD Blaster Coils would have an effect unless you had a problem with one or more of the coils previously. However this could be very likely as bad coils (and coils going bad) are a common problem on these engines.
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Post by 1997aurora97 on Jul 13, 2005 20:43:02 GMT -6
Are those plugs something you can go to the parts store to get or are they special order?
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Post by Letitroll98 on Jul 14, 2005 14:53:33 GMT -6
They're not at every shop, but both brands are widely available. They cost like the dickens though. Denso's are around $10 or $12 and the NKGs a little less. A safe bet for less money is plain old AC Delco Platinum. They may not have all the fancy electrode tech, but they are a good quality, true 100,000 mile plug for $4-5. "Platinum" plugs vary a lot in the amout of platinum used in the alloy (they're all alloys, especially the iridium, which costs like $2900/oz in pure form) so don't go cheap here with $2 platinum plugs, they're less than worthless.
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Post by Aurora40 on Jul 16, 2005 10:22:03 GMT -6
Yes, splitting the ground strap on a plug to make it a "Splitfire" or a Bosch "Plus 4" is no road to performance. The biggest improvement in a plug's spark will be from using the smallest electrode possible. Denso's Iridium has a 4mm electrode, the smallest available for an Aurora application, with NKG's Iridium 7mm size coming in next largest. The other problem with Splitfires and Bosch +4's is that there isn't a platinum pad on both sides. The classics use waste-spark and will eat up one side of the plug in a short time. You need double-platinum plugs in a waste-spark system. I beleive the Denso's and NGK's will work, and possibly some other non-ACDelco platinums. Of course AC's platinum plugs will be fine too.
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