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Now try it with a 4.15 crank and 11.0 comp...

Then add OOTB Eddys and a little more cam...

Then add MCH Eddys and a little more cam...

Then add maybe a Victor jr. and 2" headers...

thanks


My take would be
same crank and 13:1 pistons

then add 325 440-1s

then add 275/282 roller cam

then add 1050 pro sys dommy

then add another one.




I was looking for a budget oriented strong street/strip combo that makes about 650 hp in a stock block. Plus, I have a 4 speed tranny, so I'm kind of limited.

I'm not rich like you guys with your roller cams and high-dollar heads...

Then, when Brian is done building and testing it I can buy it from him at a discount.


Quit wasting your money on 500" big blocks and you can buy good heads too!




Ha ha! You guys crack me up!!
650HP and budget should not be in the same sentence IMO.
Yeah, the 400 is for sale...even if it's not 650HP!



Brian, how do you think this combo would stack up for cheap HP?
406 cubes, hogged out iron heads using the old MP templates, flat tappet mm305 cam, tunnelram with two Thermoquads (by Dave, AKA Quickd100). Won't get much cheaper than that for an all out hp "cheap" build! If the shortblock is built right and the heads flow about 270, should be able to make 600+ anyway.




I don't know about dyno numbers, but I can chime in with one of my 383 experiences...low dollars and NO SENSE, lemme tell ya! Using 100% used parts, except for rings, bearings, and oil I slapped this together:

*Domed TRW slugs, didn't measure actual CR, but it was zero decked with a measured 80 cc 452 head.
*Resized stock rods with good bolts.
*Those 452 heads went 250-ish on our bench.
*MP 590 cam
*MP single plane and 3310 Holley
*8" converter
*4.89 gears w/a 29.5 slick
*Weight 3420 E-Body
*10.90 @ 122 in real good air

Same motor, heads improved by 15 peak CFM...
*Ultradyne .613/276 @ .050 cam
*Adaptor and 1050 Dominator
*A body at 3180
10.62 @ 125 in Sacto summer air

Then added a TR and twin 1406 (?) Eddy's, more tweaking and got it to go 10.43 @ 126 best. Yes, most all said "it just had" to be a low deck stroker. Those little 383/400/406 wedgies CAN run!