95 351 turbo
Junior User
Joined: Sep 2002
Posts: 71
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From: phoenix united states
i should rephrase that. the ecu can be tuned for an engine making about 800 above that the processing speed of the ecu is too slow to keep up with the demands for fuel and timing that the engine requires at higher rpms (i'm talking 7000 and above) the first thing the ecu does is pull fuel (very bad) we finally figured that out the hard way and switched engine management systems
Elder User
Joined: Feb 2007
Posts: 601
Likes: 1
From: Chicagoland
Can you really spin a 351 to 7000+?
Elder User
Joined: Jun 2010
Posts: 641
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From: TX
i should rephrase that. the ecu can be tuned for an engine making about 800 above that the processing speed of the ecu is too slow to keep up with the demands for fuel and timing that the engine requires at higher rpms (i'm talking 7000 and above) the first thing the ecu does is pull fuel (very bad) we finally figured that out the hard way and switched engine management systems
Junior User
Joined: Sep 2002
Posts: 71
Likes: 0
From: phoenix united states
my motor is stroked to a 408 with good parts and aluminum heads with stronger springs, so it can go to 7k a stock one will start floating valves. we didn't just change the computer, we switched to a fast xfi management system
Elder User
Joined: Jun 2010
Posts: 641
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From: TX
Junior User
Joined: Sep 2002
Posts: 71
Likes: 0
From: phoenix united states
pretty much. but the wallet hurts a little. gotta love drag racing a pick up truck
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