Higher compression+lower boost= more power????

7mCressida

New Member
Oct 9, 2011
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Brandywine MD
so i was just wondering, my motors apart right now, and i have a brand new set of oem 7mge and gte pistons. if i was to put the ge pistons in my gte,with eagle rods and if i ran the same 10psi of boost on 8.5, would bumping up the compression raise the power levels up safely?? i dont want any detonation or knocking. i just got the idea from reading the new mag from dsport, saying if u raise compression u dont need to have as much boost to make the same power.

my motors fully built head wise, bc cams/springs/valves/retainers. block just has clevite bearings and eagle rods, just stumped on pistons. kinda new to higher compression. im so used to boosted cars on 8.5 safely.
 

Nick M

Black Rifles Matter
Sep 9, 2005
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There are several factors, including things you don't control like quality of fuel you have. And combustion chamber design, which is already optimized by Toyota to not detonate. 9.2:1 isn't exactly high compression. 8.4 is a built in safety margin. In case you couldn't tell, Toyota doesn't build many vehicles on the ragged edge.