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Old 07-23-2012, 01:44 AM
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Originally Posted by F-BIRD'88 View Post

Low cr is your friend if you want to run big boost on pump gas.
there is so much misinformation about turbos on this board its not funny

u can run 9.5-1 compression and run over 20 psi of boost on pumpgas, its been done tons of times

if u want real turbo advice check out the turbo forums, and btw that ebay gt45 is not sized the same as a true gt45 turbo its actually nothing more then a 70mm turbo with a larger turbine wheel, will still make plenty of power though 650-750 should be reachable with it

i can first hand show u a engine with crappy small valve truck heads and a tpi intake that has gone 9.17 1/4 mile in a firebird
2 bolt main block
truck heads ( non vortec)
224/224 summit cam
tpi and 2 grand national turbos

thing runs pump gas and is street driven without issues

btw those 4.88 rear gears are going to make it feel like a slug, some 3;73's will make a huge difference alone
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