Quote:
Originally Posted by chuckies76ta
I seem to recall Dave supplying 99893 springs. 160 seat somewhere around 380 open. 200 closed seems like a lot for hydraulic roller. High high RPM?
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It's a blower motor which requires more spring pressure than N/A.
The Evolution lifters are rated to 450#.
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1964 Catalina 2+2 4sp, 421 Tri-power
1965 GTO, Roadster Shop chassis, 461, Old Faithful cam, KRE heads 305 CFM,
Holley EFI, DIS ignition.
1969 GTO 467, Edelbrock 325 CFM, Terminator EFI
1969 Firebird Convertible
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