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tucsonjwt · 08-29-2010, 05:57 PM

In my opinion, a 454 needs a TH400 transmission. 454s had "soft cams" for a while (had to replace mine) so make sure you have a good truck engine cam in it.

08-29-2010, 05:57 PM	#3
tucsonjwt Registered User Join Date: Jul 2007 Location: Tucson, AZ Posts: 3,198	Re: 350 to 454 swap...is it worth it? In my opinion, a 454 needs a TH400 transmission. 454s had "soft cams" for a while (had to replace mine) so make sure you have a good truck engine cam in it.