Mar 30, 2017 - 3:12 PM
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        	 Enthusiast ![]() Joined Jun 11, '16 From lancashire Currently Offline Reputation: 0 (0%)  | 
       
			
			 
				Hi I'm probably going to do a forged rebuild this summer and I'm just wondering on peoples experience with boost and compression ratios. 
			
			
					
		It's a 3sgte rev3 and I am tempted to run about 15-16 psi with a 9:1 compression ratio, i know its only .5 up from stock but there is a fair bit more boost to go with it. I should also be able to get front mounted intercooler by then and will of fitted decat downpipe, 3 inch front pipe and possibly a hybrid turbo from gt4 play. I always fill up with tesco momentum which is 99RON and can always fit a water/methonal injection system if needs be for running the boost and compression ratio i want. So yeah if anyone has done something similar to what i want or thinks it's a good/bad idea input is always welcomed, cheers.  | 
	
 rhodesyboy   Raising boost and compression ratio   Mar 30, 2017 - 3:12 PM
 
 HardHead93   The 4th gen 3sgte has 9:1 compression pistons and ...   Mar 30, 2017 - 10:16 PM
 
 rhodesyboy   Ahh yeah forgot about having to change the ignitio...   Mar 31, 2017 - 6:04 AM![]() ![]()  | 
	
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