clipto
10+ Year Contributor
- 2,316
- 5
- Oct 8, 2011
-
Portland,
Oregon
Me and my friend have been talking and are curious what valve springs most everyone is using mostly people using 272 cams. Let me know thanks.
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What he said! I'm going with the kiggly beehives with the kelford 272's and HKS cam gears, can't wait!I've used stock, Evo 8 and Manley singles.
Stock Springs/Retainers and Delta HKS 272 Regrinds -> 7700-7800 before I started to noticeably float valves
Evo 8 Springs/Retainers and Delts HKS 272 Regrinds -> 8300-8400 and made good power (no floating)
Evo 8 Springs/Retainers and Delta Kelford 272 (On new billets) -> 8800-8900 and really made power. This was as high as I took (and would take) Evo 8 springs and retainers
Manley Singles/Manley Ti Retainers/Delta Kelford 272 (On new billets) -> 9000 is as high as I want to take it...being a stock block and all. I think they will make good power all the way up to there.
If you want the best springs, Kiggly beehives or Ferrea Duals IMO. I like the Manley singles, if you're not revving to the moon and want a good spring for a reasonable price.

Im running Manley with Titanium retainers. with SIM 275s. I've only revved to 8400. not sure what the max would be..

9000 rpm no problem. With Kelford 272's, I will take mine up there. Another RedJack Racing car (Jason's Grey 2g runs them too) and he takes his car to 9400-9500 regularly. Drew (BrokenTSI) had the same setup I run as well, and I know he saw 9800-9900 rpm a few times
