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BUSY BOLTERS Are you one?  The Shop Area
continues to pull in the most views on the Stovebolt. In August alone there were over 22,000 views in those 13 forums.
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4 members (68ironhead, JW51, jmoore, 1 invisible),
560
guests, and
2
robots. | | Key: Admin,
Global Mod,
Mod | | | Forums66 Topics126,776 Posts1,039,271 Members48,100 | | Most Online2,175
Jul 21st, 2025 | | | | Joined: Feb 2007 Posts: 385 Wrench Fetcher | | Wrench Fetcher Joined: Feb 2007 Posts: 385 | I don't want to have my cylinder head rebuilt yet, so I'd like to make the valves last a little longer. Does anyone have a recommendation for a lead additive?
195? Chevy 3800 dump truck
1973 Chevy C30 cab and chassis
1987 Suburban 3/4 ton 6.2L Diesel
| | | | | Joined: Aug 2005 Posts: 6,383 Ex Hall Monitor | | Ex Hall Monitor Joined: Aug 2005 Posts: 6,383 | None. Unless you're working the engine really hard for an extended period you'll never have a problem.
Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.
| | | | | Joined: Feb 2007 Posts: 385 Wrench Fetcher | | Wrench Fetcher Joined: Feb 2007 Posts: 385 | That's what I like to hear. I can afford none. ;}
195? Chevy 3800 dump truck
1973 Chevy C30 cab and chassis
1987 Suburban 3/4 ton 6.2L Diesel
| | | | | Joined: Aug 2004 Posts: 1,067 Shop Shark | | Shop Shark Joined: Aug 2004 Posts: 1,067 | It takes awhile for the valve seats to erode. They WILL erode, but it might take 100,000 miles to get bad.
52 GMC 3/4 ton pickup
68 Big Block Vette
68 455 Firebird
| | | | | Joined: Feb 2006 Posts: 1,867 Shop Shark | | Shop Shark Joined: Feb 2006 Posts: 1,867 | They WILL erode, but it might take 100,000 miles to get bad. I dont necessarily agree with that. So long as your not building a hotrod motor, there really shouldnt be problem for the duration of the engines life. I know theres plenty of vehicles still cruising on the roads today that havent had a problem and Id guess many of them are well over that 100K mile mark with no issues related to the valve seats. That being said I really doubt Ill ever put that many miles on mine.  | | | | | Joined: Aug 2005 Posts: 6,383 Ex Hall Monitor | | Ex Hall Monitor Joined: Aug 2005 Posts: 6,383 | I don't agree either. I've put a LOT of miles on "leaded" engines using unleaded gas with no issues. I have read of folks having issues after converting to hard seats because a seat would come lose and trash the head.
Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.
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