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bigblackk94chevy replied to the thread Best way to go.And nice truck trying to find one just like that with a 4x4 -
bigblackk94chevy replied to the thread Best way to go.Thanks everyone for the help so yeah I checked thought it was a big block tbi it's not its a sbc one still have the ridges on it so back...
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^^^This, the 7.4L Throttle Body has 50mm (almost 2") bore throats where the OE small block TBs are 42mm (~1-11/16"). A 454 will not...
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454 tbi throttle body it self has larger blades than the 350 unit. Then as mentioned injectors and fuel pressure setting. Should check...
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bigblackk94chevy replied to the thread Best way to go.
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I totally forgot about the higher-pressure 454 TBI pump/injectors. Thanks for that. What injectors/TBI unit are you using? The parts...
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bigblackk94chevy replied to the thread Best way to go.
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^^^This, to elaborate - 94 - 95 7.4L TBI ran 28 - 32 PSI with smaller injectors while others' volume are based on 13 PSI. You s/b able...
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bigblackk94chevy replied to the thread Best way to go.
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Also I don't know which pump you put in but the later TBI 454 runs a higher pressure then the small block TBI
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bigblackk94chevy replied to the thread Best way to go.
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bigblackk94chevy replied to the thread Best way to go.@Schurkey it was a 350 tbi and no I changed the computer out to a 454 tbi out of a 1995 k2500 Silverado No have never tried running...
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bigblackk94chevy replied to the thread Best way to go.@95Suburban I've replaced everything on it just won't run right it run koo when first started but drive for about 20 to 30 mins acts...
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What's going on people's so new to this site so I just swapped a gen 6 454 170k mile from a 1999 2500 suburban in my 1994 k5 blazer and...
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