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Torque454 · 05-10-2008, 07:53 PM

Install a manual turbo controller on that 99. Intercooler would be nice too. Need boost, trans, and EGT gauges also. Make sure your boost is correct for you reprogrammed ECM. Make sure the air filter isnt clogged. Install 4" exhaust if you havnt already done so. No cat, no muffler. If your injectors have over 100k on them those could be replaced and may have some benefit too. Make sure the radiator is clean and free of bugs and flushing the cooling system sure couldnt hurt any.

05-10-2008, 07:53 PM	#12
Torque454 Registered User Status: Offline Join Date: May 2008 Member ID: 89129 Pics: My Gallery Location: Springfield, MO Age: 23 Posts: 3	Re: gm 6.5 vs. 7.3 PSD Install a manual turbo controller on that 99. Intercooler would be nice too. Need boost, trans, and EGT gauges also. Make sure your boost is correct for you reprogrammed ECM. Make sure the air filter isnt clogged. Install 4" exhaust if you havnt already done so. No cat, no muffler. If your injectors have over 100k on them those could be replaced and may have some benefit too. Make sure the radiator is clean and free of bugs and flushing the cooling system sure couldnt hurt any. 1996 1/2 Ton Suburban 4x2 Gov Lock 3.42 6.5 TD "F" 4L80E 232k 1989 1/2 Ton Suburban 4x4 350 TBI 700r4/208 212k 10 bolts 3.42 1979 1/2 Ton 4x2 Long bed Standard Cab Pickup 454/400 12 bolt 3.07 Unknown miles