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How different is the 1994/5 TBI 454 from the older models?
I know that the fuel pressure is 26-32 PSI which is much higher than the pre 1994's ~14 PSI. are there any other major differences? I am looking at turbocharging it for better power and fuel economy in the mountains around my area, so I need to know how it will react to around 7psi of boost. all...- Sam454
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- Replies: 3
- Forum: Engine Performance + Maintenance
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High compression heads on a TBI 454
Hello, I have put together a build list for my 1993 c2500 with a TBI 454. I figure the abysmal compression ratio could be boosted to make more power and improve economy. The list includes: less wimpy cam, hydraulic roller lifters, Edelbrock high compression heads, Edelbrock TBI intake, injector...- Sam454
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- 454 tbi tbi mods
- Replies: 3
- Forum: Engine Performance + Maintenance
