I was under the impression ours were 10.1:1 ... i really think you are talking about minimal gains for the effort my friend, I wouldnt see why you couldnt just tune the PCM with HP tuners/diablo to adjust everything for the compression.
Head Deckers -- I need some info!!! <---
OK, so the original 3.5L in 1990s produced 10.4:1 compression, which has been reduced back to 9.9:1 in our engines. So does anyone have the calculations made already to deck the heads to get it back up to the 10.4 ratio? I believe even 10.6 should be possible for pump gas. How much timing can the knock sensor retard?
Also, I think I have a solution for the cam timing retard issue with decked heads. Starting from the top going down, set the CAM at top dead center. Then work back down to the CRANK pulley and create a new slot in the crank pulley to re- TDC the pistons. That should do it, unless I'm missing something. Right?
Also, has anyone found a set of light weight pulleys that are compatible?
Love to hear some input...
Also, I think I have a solution for the cam timing retard issue with decked heads. Starting from the top going down, set the CAM at top dead center. Then work back down to the CRANK pulley and create a new slot in the crank pulley to re- TDC the pistons. That should do it, unless I'm missing something. Right?
Also, has anyone found a set of light weight pulleys that are compatible?
Love to hear some input...
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