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Old 05-09-2024, 11:07 AM   #1
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1970ís Argosy Motorhome Engine Swap

Does anyone know if itís possible to swap out the original 1977 Argosy Motorhome Chevy 454 Big Block engine with this brand new 454 Big Block that Chevy is now making?

https://www.chevrolet.com/performance-parts/crate-engines/big-block/454-ho

Much appreciated!
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Old 05-24-2024, 04:00 AM   #2
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Yes, but keep in mind the older 454 was 'detuned' from maximum HP to useable torque. The modern engine will not have an 'RV cam' so will generate much more power but in a different part of the rev range.

Brad has swapped a new 454 into his Argosy and includes lots of details in his thread about controlling the fuel injection/tuning the power curve.

https://www.airforums.com/forums/f31...ild-98858.html
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