Restomod Reloaded

September 21st, 2008

I’m playing with the idea of installing a solid roller cam into Restomod.  Currently I have a hydraulic roller

 cam with a center line of 14 degrees.  The solid will have a center line of 110, which is not in theory advantageous to a supercharged engine.  Bare in mind that I have a 12.4:1 compression engine with a supercharger on it.  I mainly run on 92 octane unleaded fuel.  Granted I have a secondary fuel system that runs F&L racing fuel.  I’m looking at having the larger overlap to bleed down some of the pressure in the lower rpm range where most of the problem with detonation occurs.  At higher rpm the supercharger should make up some of the lost pressure.  I know that I can continue to run the current setup with no major probems, but i feel like trying something different.   When I had cam similar to the solid roller my engine made 454 rwhp and 538 rwt naturally aspirated.  My current hydraulic roller cam a best of 444 rwhp and 488 rwt with a severly slipping belt on the supercharger.  The boost jumped to 8 psi and immediately dropped off to zero. 

In order to do this correctly, I should first get baseline dyno numbers with the hyd roller cam so I can compare it with the solid roller cam.  I’m thinking that the solid has more advantage over the roller even with its increased overlap.  I’m impatient, so I more than likely will install the cam witthout doing a baseline run.

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