Here's the ported Edelbrock heads, port matched, smoothed, runner volumes matched, nice street and strip job. A local Maui guy, Jon Karcey, did the work. Thanks Jon!
I've always wanted to build a blown street rig, so decided to do that with this engine, and Don Hampton Blowers does a nice 6-71 setup for the big block Olds, so I got one! I also have a pair of used Super Demon 650's that have been modified for blower operation.
Had to set the blower up on the block and heads to see how it looks, and to measure how much it will stick up above the hood! Ahhh, Better than Christmas!
Got a set of forged blower pistons from JE, 8:1 cr, nice! Also got a blower cam with hyd. roller lifters from Comp Cams, 279/291 duration, 230/236 @ .050, .507/.517 lift, 113 deg lobe separation, it should give good smooth power 2,000 to 5,500, with a slight lope at idle. Also got a main bearing full girdle setup from J&S Machine Shop in Topeka, IL, to tie the bottom end together. ARP studs will also be used to tie it all together.
Link to J&S Machine Shop
Click here to go to Hampton Blowers
This old Hot Rod article was about Hampton blowers in shoebox Chevies.
Reworking an Olds 425 to take a 6-71 huffin on it.
Trial fit for the 6-71, a Don Hampton special.
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