Mad Carbon Build Up
 

Iv tryed everything to clean up the carbon build up but no such luck so far iv put in carburater cleaner/fuel injecter cleaner thats doesnt help gas treatment that is suppost to get rid of carbon build up but that dosent help i even went and took the intake off and used a can of carburater cleaner and tryed to get some of it off, tryed to clean it out but there is just so much of it see it in the tail pipe as well is there anyway to eliminate this problem

AMS Oil PI
 

AMS Oil PI Performance Improver part #: APICN 12 oz. bottle. I use it in my 87 Supra and works great, everything it said it will do.

https://www.amsoil.com/storefront/Se...CategoryID=134

The TSRM suggest using a head gasket scraper on the top of the pistons.

It resembles a chizzle. Just remember the surface your scraping on is alluminum. I have used a brass wire brush and had nice results.

You just want to be gentle.