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All the gen 3 stuff ive seen have drilled holes i believe so id drill a small one personally but like i said im fairly new to the ls stuff as far as tuning stock type pcms and injection

May be a dumb question but can you drill the throttle blade so the idle air isnt having to do as much? I know they already have holes but step then bigger in small increments and watch the iac to see...

I recently did a 4.8-5.3 swap in a 2002 with a 5spd. Simple deal as far as stock to stock. Used the 4.8 pcm and pretty much coppied a 5.3 on fuel, timing, and ve. Also looked where a manual and auto...

And o would prefer speed density over maf in it. I use it to pull trailer and work but i do like to do a little 4wheeling and maf dont like mudholes lol.

So i have a 96 k1500 and a 98. What is involved in doing a 411 swap? The 96 is a manual trans and the 98 is a parts truck auto