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Reply With QuoteHave you read this thread yet? If not, there is a TON of performance info for the Vortec 454's.
http://www.fullsizechevy.com/showthr...-Vortec-owners
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This is a discussion on 1997 L29 454 mpfi upgrade within the Port Injection (96+ / OBD-II) forums, part of the Performance category; Has anyone attempted to stroke a 97 454 L29 and change cam to improve performance with factory mpfi and egr?Just ...
Has anyone attempted to stroke a 97 454 L29 and change cam to improve performance with factory mpfi and egr?Just planning on doing so and looking for opinions and others that may have had success at doing so.This powerplant is going into my 93 k2500 to gain some hp from vortec efi rather than tbi.Just thinking about doing a few upgrades to help in towing my 30 Ft scarab weighing in at 9000 lbs.Any input would be appreciated
Ralph
Have you read this thread yet? If not, there is a TON of performance info for the Vortec 454's.
http://www.fullsizechevy.com/showthr...-Vortec-owners
08 HHR LS - 2.2 | 5 speed | 30 MPG
98 K1500 Z71 - 204k | L31 | 60E | 3.73's | 3" BL | 33x12.5x15 Dick Cepek F-C II's | Dynomax Ultra Flo X DI/DO | 14 MPG
84 S15 Jimmy 2dr 4x4 - engine/tranny all rebuilt
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