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Couple questions Demon, i have a 98 svt with 100,000 miles on it and a few mods: custom exhaust,Bat y-pipe with hi-flow cat,replaced resonator with glasspack,2 dynomax turbo mufflers and intake. (I'm getting the kkm intakle soon.)
1.Should i upgrade injectors,if so wut size?
2.Stock plugs wires,upgrade or not,i need copper plugs.
3.Wut else should i do if anything? Chip,internals or anything else?

I would appreciate your help...



Not demon but..

1. Not if your running a 75hp shot or less with your 19lb/hrs 225FWHP is about all you want to hit on.

2. Stock Wires if they are still good, otherwise magnecor's from what I hear either replace the stock wires or don't waste your money on anything else but 'magnecor's'

3. Look at doing new gaskets and seals as the n2o is going to have a good wearing on these parts. If you want to do internals forged pistons with a higher CR. Chip: I recommend a well tuned chip would be great for retarding the timing a bit. If you plan on running higher than 75hp shot really the 24lb/hr injectors would be a bit much IMHO, but would be needed if running higher or in conjunction with headers/exhaust and such and a 75hp shot.