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Ongoing experiment, finally got something close to A-B data. 14-71 SSIF3, BBC at ~32 psi in a 2600 lb door car. 30%OD. I made an adapter to...
Bbc, 14-71, 990 pump. ~32 psi boost. I had a homemade system with a hilborn can below the shutoff acting as the main pill. I capped that and...
I’m thinking of switching from 8mm to 13.9/14. I always got decent life out of the 8mm, especially the star racer, but with this sbc I’m running...
Does it matter on a roots blower motor?
I’ve been in left field with this car for awhile now to the point where I can’t even tell if it’s running on all 8 or not. I changed a bunch of...
I’ve only ever had one blower idler my whole life and I bought it out of the trunk of a Honda in a Walmart parking lot. putting together another...
Take a 1000 hp to spin? kobelco 14-71 std helix with minor dmpe mods. At 20 over it should be moving 1500 hp worth of air and making 40 psi of...
The blower belt is the damper…. so how long could I safely run without it? The guy helping me with my Haltech box tells me to put a 4 magnet MSD...
I need a flying magnet trigger wheel for a blower pulley. Preferably about 7.6” diameter. Does anybody make something like this?
Scratching my head here. New 990 pump, some run time but doesnt actually have a full pass on it. Didn’t have any data on the first few attempts....
Dragster is currently running NA with Hilborn stacks and a 110 (or maybe 990) pump. I have a 6 an off the pump through the shutoff with return...
anybody ever tried this before? Like an Sce Vulcan setup except the oring is round.
Im assuming you guys have broke some stuff... Two passes in a row I disentegrated the heads at .25 off the brake. New combination that had...
im working on an external crank support for a new combo. This has a mandrel coming off the front of the blower pulley to spin a belt drive pump....
For a given hp, how much more boost and GPM does a roots blowerneed vs. a turbo setup. I know there’s a lot of variables, just looking for known...
I have always ran orings but new intake doesn’t have a groove cut and I’d rather not take the time. Will a gasket hold up to 40-50 psi?
Just bench racing a little. Any experts on std helix blowers on here? Curious what anybody had made on a Max (ish) effort blown alcohol with a...
Roots MFI BBC set up on about 1800 hp. Right side head is annhiated. Every quench pad is caved in as if hit with a sledgehammer and 3 of the 4...
I know it’s been awhile but what were guys like Santos running for block, heads, etc.? Is any of that stuff still around?
Wannabe promod: roots blown BBC, pg 1.80, 4.10, 34.5, 2450 lbs wet. Car was untameable with a bad strut and 3 flats of negative preload. Lots...