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2008 Yukon 5.3 Engine Mods
Hello I am Brian's Mechanic and larger 7/16" pushrods from a good company is a must I forgot to add than in. as for tuning Dyno is great for a dead on tune but with the modest upgrades I have my good friend in Fla. Chris from CHenrry motorsports can do the tune with HP tuners I am looking into...- JZNNJX
- Post #7
- Forum: Performance
