Are you looking for numbers on new springs or used Skip? I'm running those on the Old Faithful. I did not check them new, just went with what others and Dave at SD's recommended. I am in process of reassembly of my motor and bought a digital checker because I kicked around the idea of swapping to a solid roller lifter. Wanted to see what they are used and if a shim could help some. Let me know if you need me to check them. I did not get the solids, but could check a few for you.
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1971 Base Firebird..505ci IA 2A Round port E-heads by Butler 348 cfm.. Comp street SR 266/272@.050 Victor intake/Quick Fuel Q950. 1 7/8" Dougs headers..3" mandrel bent exhaust with Hooker Max Flow mufflers, T-350 well built with 10" 4000 stall nitrous Continental converter..3.73 posi . Caltracs and 10" slicks. Belt driven water pump, alternator, Pwr steering and brakes,Flex fan. 11:1compression, straight 93 octane pump fuel. 10.35 @ 129.88 with 1.45 60ft N/A at 3700lbs race weight.
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