Project GD Subaru STI, Building the Engine Part Five: Final Engine Assembly With IAG.

The oil pump is put in place and the bolts started by hand.

Next the bolts are run down and torqued.

The oil pump drive gear is installed next.

Next the water pump is installed.

An IAG V2 Timing Belt Guide is installed over the oil pump drive gear.  The guide helps prevent throwing a belt.

Next IAG’s Competition Series timing belt tensioner was installed. The tensioner prevents belt skipping at high RPM and uses a combination of high-quality OEM quality parts with some of IAG’s magic to absolutely prevent belt skipping.

8 comments

  1. I assume for the AVCS oil feed lines, the factory style screens are not used right? I only thought about that because the style of banjo fittings used have the bump on top, which for Subaru means they put a filter in there.
    I’ve always wondered how dirty the inside of the cam covers get over time.

  2. When do we finally get to see this bad boy on the dyno? What intake, what turbo, what exhaust, what blow off valve, what header? This is 5 months old!

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