Subiesport Magazine - June/July 2008 - (Page 59)

2007 LEGACY GT PROJECT 48. Tap the piston into the bore with a rubber mallet. Do not use a metal hammer. A rubber dead blow is also acceptable. Once the pistons are in, insert the wrist pins (reverse of removal) and install retaining clips. Be sure to replace the retaining clips. Then reinstall the inspection plates. On the two rear plates, reseal with Fuji Bond. 49. With the pistons in place, rotate the whole assembly over to make sure nothing is binding and that the rings are seated and not hanging up. It should turn over smoothly since you used motor oil to drop the pistons in. You used motor oil, right? 50. Installing the head studs. We decided to use ARP head studs for our engine. They provide more clamping force than stock head bolts and can be reused if you have to do a rebuild. 51. Prepping the head gasket. You will need new head gaskets. We used stock STI metal gaskets sourced from the dealer. Before laying the gasket down, prep it with some copper gasket spray. This will help the gasket seal and ﬁll in any imperfections in the material. 52. With the studs installed and the gasket sealer tacky, you can lay the heads down on the block. 53. With the block in place, install the ARP nuts and then torque the studs down. The ARP torque sequence is simpliﬁed over the stock sequence. Torque from the inside out, starting with the top middle stud, then middle bottom. Then move to the left top, right bottom, left bottom, and then the right top. Torque all the nuts until you start feeling tension (barely hand-tight). Then torque to 36lbs in sequence. Then toque to 72lbs again in sequence. 54. If you use stock head bolts (be sure to get new ones) the process is a little more complex. Use the same pattern but do the following: - Tighten all bolts to 22lbs in the proper order. - Tighten all bolts again to 51lbs in the proper order. - Back off all bolts by 180-degrees in reverse of tightening order. - Tighten all bolts to 29lbs in order. - Tighten all bolts by 80-90-degrees in order. - Tighten all bolts by another 40-45 degrees. - Tighten the center bolts by another 40-45-degrees. The reason for “radiusing” the head bolts is to make them stretch a bit so that they don’t lose clamping force when they are ﬁnally tight. If you do not radius the bolts, they can stretch and cause head gasket failure. SUBIESPORT MAGAZINE 59 http://www.globalperformanceparts.com http://www.globalperformanceparts.com

Table of Contents Feed for the Digital Edition of Subiesport Magazine - June/July 2008

Subiesport Magazine - June/July 2008 Contents Editor Letters Readers’ Rides Subaru News Fresh Squeezed Hell's Legacy Under the Radar Project GT Rebuild New Engine AVO 420 Turbo Perrin Intercooler Rally Like a Rockstar Rally Jordan Adventure WRC Rally Argentina WRC Rally Jordan WRC Rally d’Italia Sardegna Where to buy Subiesport WRC2008 Debut Rally America: Olympus Ad Directory Rally America: Oregon Trail Spotted!

Subiesport Magazine - June/July 2008

For optimal viewing of this digital publication, please enable JavaScript and then refresh the page. If you would like to try to load the digital publication without using Flash Player detection, please click here.