digitaloutsider Posted March 13, 2004 Report Share Posted March 13, 2004 At GACGP Mod Day, me and Dave switched out my 15-year-old, 180,000 mile spark plugs with GM Delco RapidFire plugs. Holy shit... awesome performance increase. I peel out easier, the car accelerates smoother, and it starts a lot stronger. They're a bit pricy at $4.50 a plug, but well worth it for what you get. Sorry for the raving, but these are definitely something I reccommend for w-body owners. Quote Link to comment Share on other sites More sharing options...
Robby1870 Posted March 14, 2004 Report Share Posted March 14, 2004 What you should really do is swap some "regular" plugs. You just notice the difference b/c they are new plugs, not because they are rapidfire. Put some regular new ones in and then you can compare Quote Link to comment Share on other sites More sharing options...
runt Posted March 14, 2004 Report Share Posted March 14, 2004 Thats true. I went from origional plugs to Bosch Plat. + 4's and I noticed a difference. Then again thats not saying much b/c I had the old plugs in at least. But hell, anything to get another W-Body running stronger is a good thing! Quote Link to comment Share on other sites More sharing options...
Brian P Posted March 14, 2004 Report Share Posted March 14, 2004 I was just making sure I read that correctly. I'm gonna go unsubscribe now. Quote Link to comment Share on other sites More sharing options...
4spdz34 Posted March 14, 2004 Report Share Posted March 14, 2004 they are over-rated. they are just a stock platinum plug they don't use the rapidfire design anymore, they are acctually worse for performance than the stock plugs, but the will last longer Quote Link to comment Share on other sites More sharing options...
DOHCRagtopguy Posted March 14, 2004 Report Share Posted March 14, 2004 Love those Rapidfire 8s. Run them in both of our LQ-1s. Quote Link to comment Share on other sites More sharing options...
SmokesGTP Posted March 15, 2004 Report Share Posted March 15, 2004 I just replaced mine yesterday and ran some seafoam through the booster line and in the tank. Runs like new, can't wait to see my gas mileage increases Quote Link to comment Share on other sites More sharing options...
acke61 Posted April 28, 2004 Report Share Posted April 28, 2004 I just replaced mine yesterday and ran some seafoam through the booster line and in the tank. Runs like new, can't wait to see my gas mileage increases no shit your the only other person i've ever heard of using seafoam, its great shit and cheaper than GM top engine cleaner Quote Link to comment Share on other sites More sharing options...
93CutlassSupreme Posted April 28, 2004 Report Share Posted April 28, 2004 I just replaced mine yesterday and ran some seafoam through the booster line and in the tank. Runs like new, can't wait to see my gas mileage increases no shit your the only other person i've ever heard of using seafoam, its great shit and cheaper than GM top engine cleaner is there a write up anywhere on using top end cleaner? i'm no sure how to do it Quote Link to comment Share on other sites More sharing options...
per0781 Posted April 28, 2004 Report Share Posted April 28, 2004 here you go: http://www.60degreev6.com/backup%20html/decarb.htm when completed, pat yourself on the back Quote Link to comment Share on other sites More sharing options...
93CutlassSupreme Posted April 28, 2004 Report Share Posted April 28, 2004 here you go: http://www.60degreev6.com/backup%20html/decarb.htm when completed, pat yourself on the back thanks i'm assuming the brake booster line has vacuum at all times? is this line easy to get to? Quote Link to comment Share on other sites More sharing options...
per0781 Posted April 28, 2004 Report Share Posted April 28, 2004 i used the vacuum line on the left most side going into the top of the TB. Quote Link to comment Share on other sites More sharing options...
93CutlassSupreme Posted April 29, 2004 Report Share Posted April 29, 2004 thanks Quote Link to comment Share on other sites More sharing options...
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