Jump to content

100,+ Mi. Tune Up/advice...


Recommended Posts

Posted

Alright, well, I guess I only check in when I NEED something, so here it goes... What recommendations do yall have as far as copper vs iridium vs titanium spark plugs? I wouldnt mind some extra performance, but I'm not trying to spend over 10dls a plug, you know? Also, Im wanting to look into a set of wires. I only drive to work and back, so Im not looking to spend for the high end performance parts. Any and all info will be apprecieated. Thanks in advance. Zeke.

Posted

AC Delco Iridium plugs. AC Delco wires. You can find good prices on Ebay for these parts if you're not pleased with the prices you find around you. If you want more performance, get a Black Bear tune. :jester: There's an in person tune in north FT. W. weekend of Sept. 4th. Search "Black Bear" on this site. you'll have plenty of reading that will answer most if not all questions about tunes.

 

Black Bear Forums

 

Black Bear Performance Website

Posted

I've been looking into the ac delco rapidfire platinum plugs. According to the delco website, I can gap them to .045 (all other plugs for my truck are .035). I'm going to write them and verify that this is true. If it is, though, more gap means more exposure, so slightly more power (probably not enough to feel).

Posted

I contacted an ac delco representative and he assured me that .045 was correct for the rapidfire plug. If you do go with the rapidfires, or any plug for that matter, I would still go onto their website to see what they recommend for a gap for your truck.

Posted

Chris - I would keep your gaps at .035 on your 95. I took mine down from .045 to .035 in the Tahoe, smoothed out the idle. The ignition on the TBI isn't particularly strong. The smaller gaps will take quite a load off from it. And I just put in the old fashion CR43TS plugs. 2 bucks apiece.

Archived

This topic is now archived and is closed to further replies.

  • Latest Articles

  • Posts

    • Mine worked fine until I got an update also. After that sometimes it would not connect and Id have to turn CarPlay off and then back on for it to try to connect again. I think I have had two additional updates since this started and it has gotten better but still not perfect.
    • It’s probably water in the doors. Mine had tape over the drain holes! Poked them open and that took care of it. Now I’m waiting for the rust to come through!🤬
    • Hi all,   I just bought a 2021 suburban RST with 88,000 miles on it and everything has been good but I’ve been noticing within the last month or so that there are small electrical things going on and I know what the AGM batteries and all the electric electrical in these big trucks you need to have a constant flow with good voltage   That being said, I bought a new battery thinking that that might have something to do with it but today I went to get in and start it and it said no key found when I had the key right in my pocket   It also proceeded to flash the lights inside and outside for over 30 minutes as I went to disconnect the battery as soon as I touch the negative terminal, I heard the relay reset and everything come back up. I got in the truck and started it no problem.   Anyone else have this happen to them? I’m starting to think it’s the KARR system that the dealer installed short circuit stuff.
    • I don't drive this truck on a regular basis since I have a new company truck with no out of pocket fuel or maintenance cost. Yesterday I got it out to run some errands and got the title message on my DCI. A quick Google search suggested to first clean the Map Sensor. I pulled it out and it was sooty so cleaned it up and reinstalled it. Issue not resolved. My OBDII is a couple years old so didn't see any codes. Today I took it to a friend at AutoZone to get him to check it with his reader. It had the following codes: P20C3 P02BB P221F Stating the most likely solution is to replace diesel emission fluid (DEF) tank assembly.   So, I guess a trip to the dealer is necessary. I read where there was a backorder on these tank assemblies several years ago so hope that has been resolved.
    • Are you using a weight distribution hitch system with your trailer as that alone can change the actual tire pressure requirements needed. It would prove interesting to see what the actual individual axle weights are on your truck when you are hooked up to the trailer. In fact when your hooked to the trailer, typically if anything unless it has a large capacity weight distribution system that is over cranked, often the weight on the front axle will be less when hooked up vs driving empty and certainly if one doesn't have a weight distribution hitch. Really the only times one may get up there with weight on the steer axle is if there was a snow plow mounted on the front or a motorcycle on a rack or with a very large jockey tank full of fuel at the front of the box that transfers a bit of its weight to the front axle.    And of course your tires carry more weight for a given tire pressure due to their size vs a stock sized tire so there is that to take into the equation as well. 
  • GM-Trucks.com Clubs

  • Popular Contributors

×
×
  • Create New...