SuperCharged small blocks anyone?

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Alaskan_Dart

Mopars are an addiction
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Anyone running a SuperCharger on a small block in they're A body? Just picked up a 671 BDS used but but no pullys, manifold or carbs. No big deal, those parts can be bought new. Just looking for ideas and set ups you have or? I had a 471 years ago but never ran it on a motor I had, friend did though on his 350 chevy motor and it did okay.
Mark
 
Thats wild on that 416 that the blower sits perched on the top of the intake. I would love to put one on the 400 going in my dart but they aren't easy to find.
 
I have a ProCharged 410, but they are different enough animals I probably wouldn't be much help.

This guy probably knows something about screw type superchargers on small blocks though....

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i run A 6;71 on an X block,,exact 340 C.I. 7.6 compression,dyers intake,aries/trw blower pistions,,6 % undriven,,,ultra dyne cam solid lifter,547/527 msd, j heads opened to 2.02,bowls cleaned up a little
4 speed 4;56 rear gears 33tall x 22 wide meats,,,2= holly 650 double pumpers,,reworked to 861 cfm each,carbs have lots of internal mods to run properly on top of a blower,,best money i spent was doing the carbs,,made a world of difference,,:thumbup:
 
1969Swinger said:
I have a ProCharged 410, but they are different enough animals I probably wouldn't be much help.

This guy probably knows something about screw type superchargers on small blocks though....

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that dakota with twin blowers is crazy horsepower, it was in mopar collectors guide awhile back, makes me wish i was born rich instead of good looking.....:lol:
 
that truck now runs a single blower,, on a different motor,,,both the twin and single blower motors are from big als toy box,,,he blew up the twin blower motor,,,
 
fstfish66 said:
that truck now runs a single blower,, on a different motor,,,both the twin and single blower motors are from big als toy box,,,he blew up the twin blower motor,,,
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The owner of that truck said to me he's building a tunnel rammed engine for it.


About the carbs....fstfish66 is correct. Invest in a pair of custom calibrated blower carbs from any one of the custom carb shops. They cost a little more, but your engine will perform much better. Mine were built by Quick Fuel Technologies, and I've been very happy with them.
 
speedyb-cc said:
I building a 360 what would be the max compression if I wanted to add a blower or supercharger later?
Bruce
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probably somewhere in the 7.5 or 8:1 range. you will have to mess with timing and stuff like that as well to get it set up right. on all the turbo cars we've built (3) we've never exceeded 8:1. this is low compression if your going n/a but the forced induction will like it. are you going carburated or efi on it? remember that if your going carbureted, draw-thru systems are easier to tune but more dangerous in the event of a backfire (your putting the air/fuel mixture into your supercharger or turbo). also a draw-thru system CANNOT be intercooled, it is MUCH too dangerous. if you go to blow-thru carburation you have to have your carb(s) modified so that they can be pressurized. efi is MUCH easier to run, especially if it is a setup that you can use a laptop on. sometimes the engine management computers will allow you to put in a chip that will hold three or four different tunes on it, that way you can have a mileage or daily driving tune, a race-only tune, or more and then switch between them based on what your doing with the car at the time.
good luck!!!
-tim
 
my 340 is 7.6 compression,,,with the boost of the blower it is up over 12;1
with out a computer aided engine like a modern import,,pump gas is only good till 9 lbs of boost,, i am 6% under driven,,and i make 13 lbs of boost,,but my motor hardly ever sees that much booost on the street,, by the time im making that much boost im already in some bodys trunk,,,,

i had my carbs done by a local blower carb shop,,best money spent/along with the MSD ignition

you can get away with 8.5 / 9..1 compression,,,forged pistons,,,recomended,,

you will just run a little les drive on the pullys,,,,
 
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