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Carbon Buildup (crappy pictures)

This is a discussion on Carbon Buildup (crappy pictures) within the Internal Engine forums, part of the LSx Technical Help Section category; Well i did my ls6 swap the other day and made a discovery, it looks like i have some pretty ...

  1. #1
    Just a souped up sunfire. Ryans99LS1's Avatar
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    Carbon Buildup (crappy pictures)

    Well i did my ls6 swap the other day and made a discovery, it looks like i have some pretty darn bad carbon build up on my heads. I dont even want to see my pistons.. The car runs like a freakin champ though. Im gonna give it a good seafoam cleaning really soon. The guy before had the intake off for some reason and he used some instagasket around each intake(no idea why) but i cleaned all that up before putting on the new intake. These pictures are pre-cleaning. Heres pictures from my cell phone, it usually takes much better and bigger pictures but i think cus my memory is filling up it downsized everything. You can get the idea though. Could it be possible he ran nitrous before and it caused this?





    I love the new intake though, it did make a difference. It feels like the car breathes so much better throughout the rpms.

  2. #2
    Member Nitrous's Avatar
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    97 GMC with 02 LS6 engine

    Did you retune for the intake swap? If not, you should just to maximize hp and fuel economy. Ah, nevermind the fuel economy.............LOL

  3. #3
    Just a souped up sunfire. Ryans99LS1's Avatar
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    Not yet. Im waiting until i get my TB ported that way my tune will be for full boltons cus i dont plan on changing anything engine wise until i pick up my h/c combo.

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    Senior Member INMY01TA's Avatar
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    Was there oil in the intake when you removed it? If so, add a catch can. Should help with the carbon. Your pics look pretty normal to me tho. Never seen a spotless engine inside.

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