pmuller9 wrote:clintonvillian wrote:I plan to run some type of efi. But I have NO experience with it. I would LOVE to run FAST, FiTech, or Sniper setup. It keeps it looking old school and simple. None of those will work with TFI nor do they have a magnetic plug and play distributor for a 300 six. So I have to figure that out as I would like it to control the timing.
The new SNIPER units handle power adders so if I can figure out the ignition and timing system, this feels like the way I want to go...
Run the Holley Super Sniper with the supercharger along with an MSD ignition system and forget the TFI.
You can use the Duraspark distributor to supply the magnetic ignition trigger signal to the Sniper.
The vacuum advance plate can be moved and locked down to get the rotor phasing correct.clintonvillian wrote:Some additional food for thought.....
I was looking over some of my old notes from talking to Arnie at CTech, and he gave me these Dyno numbers from a recent build of his:
220 Crower Cam
2.02 int, 1.6 exhaust
It was making 360 ft-lbs at 3000, and 300HP at 5000 rpms.
When they went to a 225 Crower the HP dropped to 260.
Does that sound reasonable?
The drop in power is because the 390 Holley is too small.
I used a Quick Fuel HR 650 cfm carb for the last 300 six with Arnie's CNC ported head 2.02"/1.60" valves and a 232/232, 534" lift cam.clintonvillian wrote:If life will allow it, I plan to travel the country in this truck. So reliability is a MUST. I also plan to drive it regularly.
I want to keep it on pump gas.
If you want to keep it simple and very reliable I would tell you to just do a carburetor (No supercharger) on the Clifford intake however Arnie set the head up with the larger exhaust valves and valve springs with heavy seat pressure to work with a supercharger.
That would be wasted on a N/A setup and you would be missing out on at least 100 ft lbs of torque.
Have you done anything to the head since you got it back from Arnie?
What cc were your chambers for the deshrouded 2.02 heads?