~FORD RACING SUPERCHARGER~

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WODY281

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Hey, I was wondering if anybody knew if the powergains from a ford racing supercharger are any good? Its the roots style charger same as the roush I think. It says it only gains 55hp. Does anyone have a dyno sheet, or web site, or know anybody that has this on their car? 55hp just doesn't hardly seem worth it to me!
 

DropTopPony

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you gain about 75-80 with the stock 6psi pulley and closer to 100 with a 9psi pulley. Its a good blower for street cruising but won't get you to 500hp...
 

68mustang5.0

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Hrm....I m ight consider this one for my car, mines is a DD, so i think the Ford Racing supercharger would benefit me well.


IS there any aftermarket distributors that sell this kit?
 

Lightning Struck

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68mustang5.0 said:
Hrm....I m ight consider this one for my car, mines is a DD, so i think the Ford Racing supercharger would benefit me well.


IS there any aftermarket distributors that sell this kit?
I have no idea
 

DropTopPony

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There are 2 versions...one for 96-98 with stock heads and another for 96-98 with PI heads (the one i have)

You can order them from www.downsford.com and don't forget its a 2 part kit...the Blower runs around $2300 and the install kit is another $1000
 

voidfinger

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it doesn't look to bad for someone that just wants some more grunt. but i would seriously look into a vortec too. but thats just me. Good luck
 

Thomas_W

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I made 422/402 w/ that blower on a 04GT longblock w/ full exhaust and cams. The blower isn't a direct bolt on and requires a COMPLETE installation kit, as it requires relocation of the alternator and some other things. All of the upper radiator hoses are different, along w/ the IAC hose and more..

here's my dyno sheet:

sheet1-1.jpg

sheet2-1.jpg
 

Dalamar

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Nice numbers.

Was that a loaded dyno, or corrected numbers?


As with any power mod, the NPI heads WILL be a considerable restriction!
55 HP at 6 PSI through NPI's is sadly right.
 

Thomas_W

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Dalamar said:
Nice numbers.

Was that a loaded dyno, or corrected numbers?


As with any power mod, the NPI heads WILL be a considerable restriction!
55 HP at 6 PSI through NPI's is sadly right.


that was on a mustang dyno.
 

voidfinger

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sorry but it might be a stupid question, but what is the difference in the dynos? thanks
 

Dalamar

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Loaded means there's resistance to truely measeure the power output as it would be in driving on the road.

non loaded or drum dyno's measure it without resistance.

I think it's 15-20% difference.


So my car that just dyno'd on a loaded at 400 HP, would be over 460 on a drum dyno.
 

voidfinger

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ok then, so a "mustang" dyno is a loaded one? what is a "camaro" dyno????
 

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