Just recently bought an 04 GT, is there a way to figure out what compression ratio i'm sitting at?






Mods Below:

• 281 bored .30 over
• Forged Manley connecting rods and pistons
• 2004 Cobra forged crank
• Patriot Stage 2 heads
• Stock camshafts or Comp Cam’s – not sure
• Stock intake manifold
• Trick Flow intake Manifold Plenum
• 75 mm BBK throttle body
• 42lb injectors
• 80 mm MAF
• Vortech S-Trim non-intercooled, 14 psi
• AIS Stage 1 rear trunk mount water methanol injection
• Twin high volume cobra fuel pumps
• Canister fuel filter on frame rail
• BBK ceramic coated headers
• Magnaflow stainless steel exhaust off road X-pipe
• Flowmaster mufflers
• Kevlar dual clutch
• Tockico shocks
• Eibach Pro kit
• Maximum Motorsports caster/camber kit
• Subframe connectors
• Triax Shifter
• 3:73 gears
• Detroit Locker
• 31 spline Moser Axles

 

we need to know much more details but try this.

 

http://www.aacncclub.com/crucemotor/...sionratio.html

 

That link is not entirely accurate since you have to add the piston dish and how much it is in the hole to the cylinder head cc box.