TSP 427 TFS 225genx
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Teching In
Joined: Mar 2023
Posts: 49
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TSP 427 TFS 225genx Curious what kind of power I can be expecting. 2004 c5z Brand new build tsp resleeved 427 10.54 compression 225 genx heads with .660 polished springs, Mamo ported fast 102 with NW102 throttlebody, yella Terra 1.7 pro version for Tfs heads, halltech killer bee 2, improved racing windage tray, improved racing trap doors, manton series 5 pushrods, Johnson 2116 lifters, cammotion 236/252 .621/.601 118, with kooks 2” long tubes and 3” xpipe green catted, and 3” billy boat fusion catback.
Old setup was stock bottom end lte ported 243 heads, yella Terra ultralites, Mamo ported fast 102 with nw102, American racing 1-3/4 longs tubes with catted 3” xpipe to 2.5 billy boat fusion. 230/238 .621/.601 on 115. Made 455rwhp on dyno jet with slp ported oil pump
Old setup was stock bottom end lte ported 243 heads, yella Terra ultralites, Mamo ported fast 102 with nw102, American racing 1-3/4 longs tubes with catted 3” xpipe to 2.5 billy boat fusion. 230/238 .621/.601 on 115. Made 455rwhp on dyno jet with slp ported oil pump
