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GP99GT · 01-18-2009, 07:18 AM

GTP doesnt have the intake problems that the N/A 3.8 has...it was an intake gasket problem on them, fixed by a revised gasket i believe. it would cause coolant to leak into the intake. other weak point is the transmission, but its hit or miss, kinda like a 10 bolt...might last forever, might die in 50k miles. i took mine up to 130K+ before it finally **** the bed.

GTP gets better gas mileage than the GT as long as you keep your foot out of it, due to hte final drive ratio and boost bypass valve...2.93 in hte GTP, 3.29 in the GT/SE.

01-18-2009, 07:18 AM	#2
GP99GT Mr Fantastic Join Date: Aug 2004 Location: West Milford NJ Posts: 7,917 iTrader: (2)	GTP doesnt have the intake problems that the N/A 3.8 has...it was an intake gasket problem on them, fixed by a revised gasket i believe. it would cause coolant to leak into the intake. other weak point is the transmission, but its hit or miss, kinda like a 10 bolt...might last forever, might die in 50k miles. i took mine up to 130K+ before it finally ** the bed. GTP gets better gas mileage than the GT as long as you keep your foot out of it, due to hte final drive ratio and boost bypass valve...2.93 in hte GTP, 3.29 in the GT/SE. __________________ Matt B18B1 FTW**