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View Full Version : 420 B&M /Holley Blower


Formula 382 sr-1
01-23-2009, 06:03 PM
B&M / Holley 420 Blower just back from the Blower Shop $1700.00 plus shipping. 757-421-4486 ask for Jeff
Formula 382 sr-1
02-24-2009, 09:04 PM
Bump
Boss252
02-26-2009, 01:52 PM
Take a 177 in on trade plus some cash. Doesn't hurt to ask
Formula 382 sr-1
02-26-2009, 11:53 PM
Take a 177 in on trade plus some cash. Doesn't hurt to ask

I dont need a 177 but I will take $1500.00 plus shipping, And you are right it does not hurt to ask. :sifone:
Boss252
03-09-2009, 06:56 PM
sent you a pm
Boss252
03-12-2009, 08:56 AM
How much boost did this make?
Formula 382 sr-1
03-12-2009, 08:49 PM
How much boost did this make?

The pully size is 5.800 witch should be 6psi.

Joby
Boss252
03-13-2009, 08:22 AM
What size motor did you have it on and how much horse power did you make with it?
Formula 382 sr-1
03-14-2009, 10:08 AM
He had it on an hp500 but never ran it , Someone wanted the long block but not the blower (sold the long block) He does have a 496 with a 250 blower on it in his boat and with 6lbs boost on it it made 699hp on the dyno.