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View Full Version : 2.5 Head Questions???


turboranger_quest
10-26-2008, 02:23 PM
So I'm starting a 2.5 buildup with 2.3 internals. I'm going to stick with the 2.5 NA head for my turbo buildup and I was wondering what size valves I should bump up too for the buildup? Also, what valve springs should I go with for 7000k+ RPM'S. I'll be using an 2277 Esslinger cam if that helps. Part numbers? As always, thanks for the response!:turbob:

Note: forged 8:1 pistons and crower rods, 20lb boost, HX35, 60lb injectors, 2277 esslinger thought that may help too...

nagelandy55
10-27-2008, 07:48 AM
Bo-port sells big valves for the 2.5NA head, you may want to ask him what springs to get for 7000K rpms.