boost limits??
07-25-2009, 06:51 PM
#1
1st Gear Member
Thread Starter
Join Date: Jul 2009
Location: wa
Posts: 58
boost limits??
what is the max safe boost limit for the following motors?? i am building forged 4.6 but i want so see what the limits of a stock motor are?
stock 96-98 sohc 4.6?
stock bottom end with pi heads?
99-04 gt pi motor??
stock 96-98 sohc 4.6?
stock bottom end with pi heads?
99-04 gt pi motor??
07-25-2009, 07:19 PM
#2
4th Gear Member
Join Date: Jul 2008
Location: NC
Posts: 1,956
99-04 PI motor will hold 9-12 PSI fine if you keep A/F safe. If you're A/F isnt safe it will blow at 6 PSI. Same applies to all engines and all boost setups...has nothing to do with HP or boost as much as A/F.
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