Generation III Internal Engine - What to do??? 6.0l build
04-27-2012, 09:38 PM
OK guys I am at a stand still as I dont know where to go with my build, I have a TSP torquer V2 cam that will be going into the 6.0l. I have a set of real ls6 heads with PAC .650 springs that I dont know if I want to sell and buy a set of TSP stage 2 ls6 heads, or should I get ls3 heads? I have all the goodies already such as roller rockers hardened PR's etc. I just need help on what I should do, and I am on a budget of around $1000 for heads, hense why I am looking for used heads.
04-28-2012, 12:07 AM
If you already have the cam and rockers, stick with cathedral port heads. If you go with ls3 heads, neither the cam or rockers will work.
04-28-2012, 12:10 AM
stick with the ls6's for now and save for some real heads
04-28-2012, 06:57 AM
Have the ls6 heads ported, and if you are looking for more power after that sell them and get some AFR's or Trick Flows
04-28-2012, 07:25 AM
What's could I see potentially wise for HP if I sent the heads to AI for porting and used my cam, right now my draw back is my ls2 intake but I will eventually get a FAST.
04-30-2012, 09:40 PM
Why won't the cam work if I have ls3 heads? It's a 04 lq4 block so no vvt etc
04-30-2012, 10:03 PM
Ls3 heads require different cam designs to work properly. A cam ground for cathedral port heads being used on rectangle port heads will produce turd like qualities.
05-01-2012, 10:34 AM
Did you get your knock figured out?
05-01-2012, 11:37 AM
No I haven't touched it, I just got a 6.0l so I am just going to swap it out, after I'll look into it. If its something stupid I'll just sell the motor or part it out
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