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Message: [QUOTE="tbsimmons, post: 1135818, member: 2026"] From my experience with some high seat pressures in SBC's solids are not required. You have to run Schubeck style lifters, Crower makes some as do others. Basically when they pump up they are solids per say. On small block motors, take the clatter out and they are good nothing past lash. Now with solids in gas engines I know you have to change some of the oiling in the top end. Plugs in the block to bleeders, etc. Maybe that was the problem here. Top end getting less oil. Someone please explain why you would run solids on these engines? RPM is not high enough. With the spring rates I have seen they are way under a dual spring kit for a gas engines. The only reason is cam profile is very aggressive but the numbers I have seen cant be too aggressive if the valve lift is less than .400". With a top end already needing more oil taking the hydraulic lifters out seems counter productive. Am I out in left field with this thinking or not? [/QUOTE]

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