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1976gmc20 · 07-05-2015, 08:21 PM

I don't remember the heads on my 305 v6 being that terrible heavy, but I was a lot younger back then and pretty damn strong (worked in the timber every day!). Also, I had pulled the head on my old 4-cylinder Cat and that thing was really heavy!

Neither do I remember torque specs or order. I suspect that I just guessed back then, and the engine ran fine for years afterward, pulling heavy loads of logs. Those v6 GMC engines are pretty simple and tough, so as long as you don't do anything too stupid then you can't really hurt them. Too much rpm can be bad news, though.

Did you pull the distributor to remove the heads ??? You don't have to, you know

I never did.

07-05-2015, 08:21 PM	#27
1976gmc20 Registered User Join Date: May 2015 Location: Montana Posts: 3,696	Re: #$%@! Bent Push Rods I don't remember the heads on my 305 v6 being that terrible heavy, but I was a lot younger back then and pretty damn strong (worked in the timber every day!). Also, I had pulled the head on my old 4-cylinder Cat and that thing was really heavy! Neither do I remember torque specs or order. I suspect that I just guessed back then, and the engine ran fine for years afterward, pulling heavy loads of logs. Those v6 GMC engines are pretty simple and tough, so as long as you don't do anything too stupid then you can't really hurt them. Too much rpm can be bad news, though. Did you pull the distributor to remove the heads ??? You don't have to, you know I never did. __________________ Current/past Chevy/GMC trucks: 1958 Chevy C-60; 1965 GMC C-50; 1965 Chevy C-10; 1971 Chevy K-10; 1973 Chevy K-20; 1976 GMC C-20; 1977 Chevy C-10 Suburban; 1980 Chevy K-10; 1989 Chevy K1500; 1991 GMC V1500 Suburban; 2016 Chevy K2500 HD Other vehicles: 1988 Jeep XJ; 2011 Toyota 4Runner