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The good news, with a little creativity you can make one work easy enough, the main hurdle is a bracket to hold the supercharger, all doable. Obviously, the easiest kit to adapt, would be one intended for a 5.0 Speed density truck, if you have an efi truck. If you have a carbed truck, the same supercharger would work but the rest of the kit would be useless, then you'd wanna learn all you can about blow through carb setups and whether you wanna go with a bonnet or enclose the carb in a box, depending on boost levels, etc.
Depending on your anticipated boost levels, you'd definitely wanna look into a stronger head gasket.
Last edited by Motorhead351; Oct 11, 2005 at 07:04 AM.
I don't know if mounting the blower would be the hardest part.
tuning would not be fun. The computer expects to see a 300 with a certain range of variables. when you strap a blower on there, the computer is going to virtual-**** its e-pants.
I don't know of any kits, but I do have seen pictures of Ford 300's which had superchargers. One had a Kenne Bell supercharger mounted on top of an adapter attached to what I think was either an Offy or Clifford 4-barrel intake. The intake port on the back of the supercharger had a tube which came out and bent back around to the outboard side of the supercharger and there it had a 4-barrel carb mounted so rather than the carb being set up in a "blow through" configuration, it was set up in a "draw through" arrangement.
I've also seen pictures of at least one turbocharged 300. The one I saw was an EFI model, but I think you could also turbocharge a carb version of the engine. I'd probably suggest a blow through carb setup for that. The main difficulty with a turbo setup is all the intale and exhaust "plumbing" turbos require.
Somebody else here already suggested a Paxton supercharger. That would also work on a blow through carb setup, as well as an EFI engine. The main difficulties with the Paxton would be creating a mounting structure to attach it to the engine so it could be belt driven, and rigging up "plumbing" to channel the air into the engine.
There's a variety of differences in the performance characteristics of different kinds of supercharging systems. Positive displacement blowers (Roots blowers as well as screw type blowers and such) have certain advantages in terms of producing boost at just about any RPM which means that even in the stump pulling low-RPM ranges often used for towing and hauling in the real world you can have decent boost. Turbos and centrifugal blowers (of which Paxton is perhaps the most well-known example) tend to produce less boost at lower RPMs, though a turbo that is properly sized and setup with the correct accessories can be quite good at providing good boost across a fairly broad range of RPMs.
There are some very good web sites which explain the fundamentals of supercharging. Some of the best sites are actually the ones for the vendors and manufacturers of the superchargers.
Try these web sites for good info and some product choices:
I don't know if mounting the blower would be the hardest part.
tuning would not be fun. The computer expects to see a 300 with a certain range of variables. when you strap a blower on there, the computer is going to virtual-**** its e-pants.
no differnt than a 302 SD computer it expects to see certian variables, thats why they offer the addional fuel delivery components, etc., thats why they offer a bag of tricks with the supercharger..
Tuning is a non-issue. You can run an FMU in the fuel system that raises pressure proporionately to boost and it will be fine. The computer will never know the difference other than the MAP sensor reading is occassionally a little wierd, which can also be overcome without much effort. Bigger injectors would be a good idea to keep the fuel pressue within reason.
Wealth of info there for your forced induction needs. I would go with a properly sized turbo for a 300L6. As stated before, they can produce power at relatively low RPMs. Although, you may be able to overdrive a S/C to work at lower RPMs, but I'm not sure if that would reduce the life of it.
Wouldn't be nice to have a TT intercooled MPI 300L6?
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