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K. Wiggins
K. Wiggins, ASE Certified Technician
Category: Cadillac
Satisfied Customers: 2998
Experience:  ASE Certified Technician, Associates Degree in Automotive Technology, 15+ years in the trade
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Cadillac Fleetwood Brougham(RWD): would it be possible to the

Customer Question

would it be possible to the tbi to mpfi how hp would this gain it has a 5.7 tbi lo5 engine with 185 hp w/300fttr at 3200
Submitted: 2 years ago.
Category: Cadillac
Expert:  K. Wiggins replied 2 years ago.
Hello, you'd need to first swap over to Vortec style heads. If this were an obd2 vehicle you could just use 96 up vortec stuff (injectors, ecm etc) but being obd 1 you'd need to go with an Edelbrock Pro-Flo® 2 EFI kit. It has everything you'd need minus the heads.
Just switching over to mpfi would give modest HP gains 25-50 would be a good estimate.
The limiting factor on this motor is the cam and compression ratios.