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On 9 Oct 2001, at 21:36, Daniel M. Hoopes wrote: > but i think these really are heavier duty. at least i know that if he > takes them out, he'll put some in that are stock and just by the "push > on it with your thumb really hard" test, i know these are heavier duty > than stock. The "thumb" test is really hard to do. Like compression and octane, some numbers would help. The bottom line is that unless you're planning on using non stock valves, cam or high RPMs then the stock springs will be just fine. > i'm planning on using premium pump gas. can you tell me if number is > good? can you recommend higher or lower, or any specific numbers? The last years of type 3s went down to 7.2. I try to keep it under that just because I think we can depend on even premium octane to slowly come down in the future. Can you remember when Regular was 92 Octane? - Jim Adney jadney@vwtype3.org Madison, WI 53711-3054 USA ------------------------------------------------------------------- List info at http://www.vwtype3.org/list or mailto:help@vwtype3.org