440 HP Estimate

jeeper said
Hello All,

I have been deciding between a BB and a SB Duster.

Here is what I have for the BB:

Mid 70's 440

452 Heads with a valve job

It will get a rering kit and be run as is. Cylinders look good but I have not mic'd them yet.

Intended build:

Bigger Summit cam and appropriate springs

Template port the heads

.020 gaskets

Stock intake for now

Hooker 1 7/8" headers-fenderwwells

I realize that the compression will be lower than desired but it will have to work for this year.

Fairly stripped 74 Duster with 4.10's.

Any ideas on Horsepower/Et's with this combo? I may be able to spring for a cheap convertor.

Thanks, ROB

Yup, get your compression around 10 to 1, give er take .2, 850 cfm carb and you'll be looking at 500 HP easy with those 452 heads. ET will be dependant on whether you can get it to the ground with suspension mods, tires, a good converter among other things and oh yea you're going to have to spring for a damn good intake manifold otherwise she'll get all bunged up. :burnout: