HP of Radix
Jul 10, 2005 | 11:19 PM
#2
Depends on the cubic inches of the engine and the cam/header choices.
The same radix on a 5.3 will make more boost than on a 6.0 liter. Cams and headers tend to reduce the boost level. Careful selection of the cam is pretty important for a bigger engine and cam/radix combo. I've got a Thunder Racing CheaTR cam and the Radix and I'm still making 8.5 or so psi with the smallest available pulley (2.75). The 2.9 pulley made 8 psi for me before the camshaft install. Those 5.3 guys can get quite a bit more boost out of the Radix.
The same radix on a 5.3 will make more boost than on a 6.0 liter. Cams and headers tend to reduce the boost level. Careful selection of the cam is pretty important for a bigger engine and cam/radix combo. I've got a Thunder Racing CheaTR cam and the Radix and I'm still making 8.5 or so psi with the smallest available pulley (2.75). The 2.9 pulley made 8 psi for me before the camshaft install. Those 5.3 guys can get quite a bit more boost out of the Radix.
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