since its impossible to find a supercharger for a EFI 460, is it possible to convert a 5.0 or 5.8 charger to a 460? What would be the main challenges to make it work? I have never looked how the centrifugal hooks up to 5.0 or 5.8. so im clueless. I'm sure its possible if you got a big hammer but it cant be too much. What are your guys thoughts?

 

After selection of a properly sized unit to get optimum boost per the application/use, its just a question of bracketry. Adapting, machining, etc... something to hold it in order to maintain alignment & correct tension without killing the crank bearings or causing belt slipage.

After that its all the common issues of tune, fuel supply, boost control, etc.

Depends on how skilled you are, how much you want to spend & how much damage and angst you're willing to put up with.

Go for it.

 

If I were you I would send an email to procharger or a procharger dealer and get them to set you up with a kit... this would be an expensive route though

 

While you could make bracketry and the necessary connections, keep in mind what you're grafting to what and how sizing compares.

A 460 cid is 24% bigger than a 351W, and
a 460 cid is 35% bigger than a 302.

That would tell me with everything else being the same, the superchargers you are considering are grossly undersized.

From a sizing perspective, a 460 cid would be better off with a *pair* of GM/Eaton superchargers off 3.8L V6 engines - 460cid is 7.5 liters, and half of that is 3.75 liters - almost the same as a GM V6.

None of the above takes into consideration of rpms which in turn dictates CFM. I'll give you my "monkey way" math formula to approximate this easier. Know that sizing a turbo or supercharger requires a lot more than guessing or approximating, assuming you want excellent results. If you're okay with "a starting point" or "ballpark", this monkey math does help you achieve that.

(New Engine displacement x redline) / turbo qty = (donor engine displacement x redline) / turbo quantity.

(460 x 5000) / (?) = (231 x 5000) / 1

2300000 / (?) = 1155000 / 1

(?) = approximately 2 ( 1.99134 blah blah)

That's assuming your 460 has the same redline as a supercharged GM 3.8L (231cid) engine.

If not, adjust the values in the formula as necessary.

"Turbo Quantity" on the left side of the equal sign is what you are solving for, and turbo quantity on the right side of the equals sign is how many turbos/superchargers the junkyard donor engine has - typically one for OEM's.

By allowing the turbo quantity to be adjustable on the donor engine side, enables you to do this approximation math with vehicles that have more than one turbo or supercharger.

Since it's an approximating formula and not terribly precise, you can use liters or CID as long as you use the same engine volume indication on both sides.