Quote:
Originally Posted by 69 Pilot
Hey guys
I have an 04 LQ4 with a Magnacharger kit. Wanting to upgrade a bit. It was refreshed and had forged pistons and studs installed. I was thinking about changing the heads out for L92 and a cam. Hoping someone with tuning experience will chime in.
1 - older model Maggie with rear intake and intercooler. Not even sure what L this charger is. Most likely an MP112. So 112 cu inches displacement
2 - recommendation on parts combo that's works. Would this combo of heads and a FI cam be to much for this charger. What are your power goals? You can do a lot by just milling your current heads to raise compression and putting a small cam in there. No need for new heads most likely.
3 - What else would I need to change (injectors, fuel pump)? Those are probably 42 lb injectors on the blower now. What color are they? Power goals will dictate the changes. I'd bet fuel pump only.
4 - thinking I would need a custom tune. Would this be a nightmare to find someone to tune it? Don't want to end up with something that won't even run.Yes, you'll need to retune the engine.
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My answers are in blue. You've got a perfectly good setup to build on. You need to determine exactly what you have now before you start changing parts though. You also should think about your goals so you can make the proper changes.