Quote:
Originally Posted by Spaceme1117
Is this even much of a problem on these engines?
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No. Don't waste a dime of your money or a lose wink of sleep over this.
GM LT1 and LT4 engines made during and after the 2015 model year do not have the carbon build up issues that plagued many early 2010's GDI cars (BMW, Hyundai, etc.).
There has been quite a bit of of Arguing_On_the_Internet(TM) about this subject recently on these forums in various catch can threads, but actual photographic evidence of extreme buildup to the point of measurably affecting performance and requiring walnut blasting to correct on stock LT1s and LT4s is very very rare to the point of not existing.
And even in the very few pictures anyone has posted of buildup on stock cars it's nothing close to the horror stories you see and hear.
One of the very few rare pics of a stock SS with reasonable miles is from our very own forum member EDFHOBBIES's wife's SS at 40k miles:
https://www.camaro6.com/forums/showp...9&postcount=42
Pretty much the same as Tim M's above.