When I had the heads on my 396 done back in 1991, I asked about installing hardend seats. They told me I didn't need them and my car runs great. John, 67 SS396
- [Chevelle-list] Fuel / Lead additives Krister Meister
- Re: [Chevelle-list] Fuel / Lead additives Bill Lessenberry
- RE: [Chevelle-list] Fuel / Lead additives Tigergutt
- RE: [Chevelle-list] Fuel / Lead additives Bill Lessenberry
- Re: [Chevelle-list] Fuel / Lead additive... Clint Hooper
- Re: [Chevelle-list] Fuel / Lead additives Clint Hooper
- Re: [Chevelle-list] Fuel / Lead additives Mike Holleman
- RE: [Chevelle-list] Fuel / Lead additives Tigergutt
- RE: [Chevelle-list] Fuel / Lead additives Grepr
- RE: [Chevelle-list] Fuel / Lead additives Krister Meister
