Shnalla Posted December 6, 2014 Share Posted December 6, 2014 Hi all, Today I did a little carb tuning. Needed to hear the engine roar When I plug my vacuum gauge, the needle is shaking, between 16 and 20 Hg/in. Ignition timing is set correctly. It's a bone stock 350, never rebuilt I guess. Just have 2,5" exhaust, new intake and 600cfm Holley. What does it means ? Valve problem ? Quote Link to comment Share on other sites More sharing options...
Jason72 Posted December 6, 2014 Share Posted December 6, 2014 Yes, that is a valve train issue Quote Link to comment Share on other sites More sharing options...
Mike 57 Posted December 6, 2014 Share Posted December 6, 2014 Guides are worn Quote Link to comment Share on other sites More sharing options...
Shnalla Posted December 6, 2014 Author Share Posted December 6, 2014 Yes, that is a valve train issue Guides are worn Thank you ! Sounds like it's time to buy a set of aftermarket heads with a decent compression ratio and wake my engine up ! Is it a problem to drive it as it is ? Can It break something in my engine ? Quote Link to comment Share on other sites More sharing options...
Mike 57 Posted December 7, 2014 Share Posted December 7, 2014 It is good to drive. Quote Link to comment Share on other sites More sharing options...
Jason72 Posted December 7, 2014 Share Posted December 7, 2014 Yes. Like Mike said. It will be ok Quote Link to comment Share on other sites More sharing options...
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